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宁夏回族自治区银川市第一中学任务型阅读经典例题

宁夏回族自治区银川市第一中学任务型阅读经典例题
宁夏回族自治区银川市第一中学任务型阅读经典例题

一、高中英语任务型阅读

1.Read the following passage. Fill in each blank with a proper sentence given in the box. Each sentence can be used only once. Note that there are two more sentences than you need.

Screen Time: How Much Is Too Much?

Many children spend a lot of time watching or playing with electronic media—from televisions to video games, computers and other devices. ________ Perhaps parents now should ease up on their concerns about screen time, at least for older boys and girls.

Until last year, the American Academy of Pediatrics (AAP) suggested that children and teenagers have no more than two hours of screen time a day. It also suggests that parents balance a child's screen time with other activities.

________ Christopher Ferguson, who teaches psychology at Stetson University in Florida, notes a lack of evidence supporting reports that too many hours spent playing video games or watching TV is truly harmful.

Ferguson seems interested in one idea: the link between video games and violent or risky behavior. When he saw results from a recent British survey on screen time, he wanted to know more. The British study found a small negative effect—about a one percent increase—in aggression and depression among children who had six or more hours of screen time a day. ________ So, Ferguson and his team examined answers from a survey on risky behaviors. The study involved about 6,000 boys and girls in Florida, whose average age was 16.

Data from this survey found that American children are also fairly resistant to the negative effects of electronic media. Among those who used screens up to six hours a day, the survey found: a 0.5 percent increase in criminal behavior; a 1.7 percent increase in signs of depression; and a 1.2 percent negative effect on school grades. ________ To further argue his point that screen time is not harmful, Ferguson adds that children should become familiar with screen technology. Electronic devices, he says, are a part of our everyday lives.

A. Some negative experiences on social media can and do affect some children.

B. However, some experts question claims that too much screen time is harmful.

C. He wanted to see if there was a similar effect among young people in the United States.

D. So, it is natural that parents should wonder about all the time children spend looking at a screen.

E. The researchers found no increase in risky sex or driving behaviors, use of illegal substances or eating disorders.

F. The researchers suggested that for those children, technology use might get in the way of taking part in other important activities.

【答案】 D;B;C;E

【解析】【分析】本文是一篇说明文,许多孩子花很多时间看或玩电子媒体——从电视到电子游戏、电脑和其他设备。美国儿科学会建议儿童和青少年每天看屏幕的时间不超过两个小时。一些专家质疑过多的屏幕时间是有害的,Stetson 大学心理学教授Christopher Ferguson指出,没有证据支持长时间玩电子游戏或看电视确实有害的说法。

(1)考查对上下文的理解和推理判断能力。根据空前“Many children spend a lot of time

watching or playing with electronic media—from televisions to video games, computers and other devices.”可知许多孩子花很多时间看或玩电子媒体——从电视到电子游戏、电脑和其他设备。再根据空后“parents now should ease up on their concerns about screen time, at least for older boys and girls.”提到了父母对孩子长时间看电子产品的看法,可知本空是提出父母对孩子花在看屏幕上的时间感到好奇是很自然的。故选D。

(2)考查对上下文的理解和推理判断能力。根据空后“Christopher Ferguson, who teaches psychology at Stetson University in Florida, notes a lack of evidence supporting reports that too m any hours spent playing video games or watching TV is truly harmful.”Stetson 大学心理学教授Christopher Ferguson指出,没有证据支持长时间玩电子游戏或看电视确实有害的说法。因此可推测上文是提出"一些专家质疑过多的屏幕时间是有害的",故选B。

(3)考查对上下文的理解和推理判断能力。根据空前“The British study found a small negative effect—about a one percent increase—in aggression and depression among children who had six or more hours of screen time a day.”提到一项英国研究发现,在每天看电视时间超过6小时的儿童中,攻击性和抑郁会有一个小的负面影响——大约增加1%。因此他想看看在美国的年轻人中是否也有类似的影响。故选C。

(4)考查对上下文的理解和推理判断能力。根据空前“Among those who used screens up to six hours a day, the survey found: a 0.5 percent increase in criminal behavior; a 1.7 percent increase in signs of depression; and a 1.2 percent negative effect on school grades. ”调查发现,在每天使用屏幕长达6小时的人群中,犯罪行为增加了0.5%;抑郁症的症状增加了1.7%;以及1.2%对学习成绩的负面影响。即下文继续列举长时间看屏幕对其他犯罪行为的影响,故E选项:研究人员发现,危险的性行为、驾驶行为、使用非法药物或饮食失调的情况没有增加。符合题意,故选E。

【点评】本题要求在理解细节信息的基础上,着重考查对上下文的理解和推理判断能力。

2.请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意:每个空格只填1个单词。

The urge to share our lives on social media

People have long used media to see reflections of themselves. Long before mobile phones or even photography, diaries were kept as a way to understand oneself and the world in which one lives. In the 18th and 19th centuries, as diaries became more popular, middle-class New Englanders, particularly white women, wrote about their everyday lives and the world around them.

These diaries were not a place into which they poured their innermost thoughts and desires, but rather a place to chronicle (记录) the social world around them. The diaries captured the everyday routines of mid-19th-century life, and women diarists in particular focused not on themselves but on their families and their communities.

Diaries today are, for the most part, private. But things were different for these New England diaries. Young women who were married would send their diaries home to their parents as a way of maintaining kin (血缘) relations. When family or friends came to visit, it was not uncommon to sit down and go through one's journal together.

Diaries are not the only media that people have used to document lives and share them with others. We have long used media like photo albums, baby books and even slide shows as a means of creating traces (痕迹) of our lives. We do this to understand ourselves and to see trends in our behaviour. We create traces as part of our identity and part of our memory.

Sharing everyday life events can strengthen social connection and intimacy (亲密感). For example, you take a picture of your child's first birthday. It is not only a developmental milestone: the photo also strengthen the identity of the family unit itself. The act of taking the photo and proudly sharing it further reaffirms (再次证实) one as a good and attentive parent. In other words, the media traces of others figure in our own identities.

Today's social media platforms are, by and large, free to use, unlike historical diaries, which people had to buy. Today, advertising subsidises (补贴) our use of networked platforms. Therefore these platforms encourage use of their networks to build larger audiences and to better target them. Our pictures, our posts, and our likes are commodified—that is, they are used to create value through increasingly targeted advertising.

Instead of social media merely connecting us, it has become a craze (狂热) for information, continually trying to draw us in with the promise of social connectivity—it's someone's birthday, someone liked your picture, etc. There's a multibillion-dollar industry pulling us into our smartphones, relying on a longstanding human need for communication.

The urge to be present on social media is much more complex than simply narcissism (自恋). Social media of all kinds not only enable people to see their reflections, but to feel their connection as well.

free/nothing;commodities;catering;connection/communication

【解析】【分析】本文是一篇说明文,介绍了早期的和现代社交媒体的特点和影响。(1)考查信息归纳。根据第一段中的“Long before mobile phones or even photography,diaries were kept as a way to understand oneself and the world in which one lives”可知,早在手机和摄影出现以前,日记是人们了解自己和世界的方式,在手机和摄影出现以前的方式属于早期(最初)的媒体,故填early/primitive。

(2)考查细节理解。根据第一段中的“Long before mobile phones or even photography,diaries were kept as a way to understand oneself and the world in which one lives”可知,在手机和摄影出现以前,人们通过日记来了解自己和世界,故填diaries。

(3)考查细节理解。根据第三段中的“Diaries today are, for the most part, private”及“When family or friends came to visit, it was not uncommon to sit down and go through one's journal together.”可知,现在,日记是很私人的东西,但在那时,已婚的年轻女性与家人和朋友分享自己的日记是很平常的事情,故填share。

(4)考查信息概括。根据第四段中的“Diaries are not the only media that people have used to document lives and share them with others.”及第五段中的“Sharing everyday life events can strengthen social connection and intimacy”等信息可知,这两段主要介绍了社交媒体的好处(功能/目的),故填Functions/Purposes/Benefits。

(5)考查细节理解。根据第四段中的“We create traces as part of our identity and part o f our memory.”可知,我们创造痕迹作为我们身份和记忆的一部分,也就是说,我们一直通过社交媒体来展示我们是谁以及我们在生活中经历了什么,故填who。

(6)考查细节归纳。根据第五段中的“Sharing everyday life events can strengthen social connection and intimacy”可知,分享日常生活中的事情可以加强社会联系和亲密感,也就是说可以使家庭成员之间的关系更亲密,故填close/closer。

(7)考查细节理解。根据第六段中的“T oday's social media platforms are, by and large, free to use”可知,现在的社交媒体平台都是免费使用,故填free/nothing。

(8)考查信息归纳。根据第六段中的“Our pictures, our posts, and our likes are commodified—that is, they are used to create value through increasingly targeted advertising. ”可知,我们的图片、帖子、喜好都是商品化的,它们被用来通过越来越有针对性的广告来创造价值,也就是说我们的私人数据通过定向广告被用作商品,故填commodities。

(9)考查信息归纳。根据倒数第二段中的“Instead of social media merely connecting us, it has become a craze ( 狂热 ) for information, continually trying to draw us in with the promise of social connectivity—it's someone's birthday, someone liked your picture, etc.”可知,社交媒体不再只是把我们联系在一起,它已经成为一种对信息的狂热,不断地试图用社交连接来吸引我们——有人过生日、有人喜欢你的照片等等,也就是说社交媒体通过迎合我们的需要来吸引我们,故填catering。

(10)考查细节理解。根据最后一段中的“Social media of all kinds not only enable people to see their re flections, but to feel their connection as well.”可知,社交媒体会让人们感受到他们与外界的交流与联系,人们对此很感兴趣,故填connection/communication。

【点评】本题考点涉及细节理解,信息归纳和信息概括三个题型的考查,是一篇教育类阅

读,要求考生准确掌握细节信息,并,结合相关的语法知识和词汇知识,做出正确答案。

3.请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。

注意:每个空格只填1个单词。

The changes facing fast-food companies

Fast food was once thought to be recession-proof. When consumers need to cut spending, cheap meals like Big Macs and Whoppers become even more attractive. As a result, fast-food chains have survived the recession better than their more expensive competitors. In 2009 sales at full-service restaurants in America fell by more than 6%, but total sales remained about the same at fast-food chains. In some markets, such as Japan, France and Britain, total spending on fast food increased.

But in this ongoing recession(萧条), which is more severe, not all fast-food companies have been as fortunate. Many, such as Burger King, have seen sales fall. In the recession, while some people trade down to fast food, many others eat at home more frequently to save money. Smaller fast-food chains in America, such as Jack in the Box and Carl's Jr., have been hit particularly hard in this downturn because they cut back spending on advertising.

In face of such challenges, some fast-food companies have sacrificed their own profits by trying to give customers better value. During the recession companies set prices low, hoping to tempt more customers through the door. But in many cases that strategy doesn't work. Some companies are rethinking their strategies. KFC has launched a chicken sandwich that costs around $5 to attract consumers away from $1 specials.

Companies are also trying to get customers to buy new and more items, including drinks. McDonald's started selling better coffee as a challenge to Starbucks. Its “McCafe” line now accounts for an estimated 6% of sales in America. As fast-food companies shift from “super size” to “more buys”, they need to keep customer traffic high throughout the day. Many see breakfast as a big opportunity, and not just for fatty food. McDonald's has started selling porridge in America, because the profits can be high.

But what about those growing waistlines? So far, fast-food firms have cleverly avoided government regulation. By providing options like salads and low-calorie sandwiches, they have at least given the impression of doing something about helping to fight obesity(肥胖). These offerings don't necessarily lead to profit loss, as they can broaden the appeal of stores to groups of diners that include some people who don't want to eat a burger.

But calls for tougher government regulation never wear down. This year Congress passed America's health-reform bill, which requires restaurant chains with 20 or more stores to put the calorie-content of items they serve to the menu. And the recent proposal by a county in California to ban McDonald's from including toys in its high-calorie “Happy Meals”, because law makers believe it attracts children to unhealthy food, suggests that fast-food companies will have to continue trying something new.

The changes facing fast-food companies

⑴________ ⑵________ ⑶________ ⑷________ ⑸________ ⑹________ ⑺________ ⑻____ ____ ⑼________ ⑽________

【答案】survivors/competitors/businesses/companies;appeals;instead;decreased/reduced/less;Strategies/Measures/Approaches/Solutions/Ways;high/higher;added;profitable;healthy/healthier;creative/innovative/flexible/adaptable

【解析】【分析】本文是一篇说明文,介绍了快餐公司在经济衰退中面临的挑战以及他们所采取的对策,同时指出随着更严格的食品法的实施,快餐公司应变得更有创造性。(1)考查名词。根据第一段中的“As a r esult, fast-food chains have survived the recession better than their more expensive competitors.”快餐连锁店在经济衰退中比那些价格更高的竞争对手生存得更好,他们成为了更好的幸存者、竞争者、企业或公司,故填survivors/competitors/businesses/companies。

(2)考查动词。根据第一段中的“When consumers need to cut spending, cheap m eals like Big Macs and Whoppers become even more attractive.”可知,在经济衰退期间,便宜的快餐更吸引消费者,appeal to表示“吸引”,故填appeals。

(3)考查固定搭配。根据第二段中的“In the recession, while some people trade down to fast food, many others eat at home more frequently to save money.”可知,在经济衰退期间,很多人为了省钱选择在家吃饭而不是出去吃,insead of表示“代替、而不是”,故填instead。(4)考查形容词。根据第二段中的“Smaller fast-food chains in America, such as Jack in the

Box and Carl's Jr., have been hit particularly hard in this downturn because they cut back spending on advertising. ”可知,小型的快餐公司在经济衰退中受到更沉重的打击是因为它们削减了广告开支,修饰名词spending用形容词,表示“更少的、被削减的”,故填decreased/reduced/less。

(5)考查名词。第三、四段介绍了快餐公司为了应对这些挑战所采取的对策,故填Strategies/Measures/Approaches/Solutions/Ways。

(6)考查形容词。根据第三段中的“Some companies are rethinking their strategies. KFC has launched a chick en sandwich that costs around $5 to attract consumers away from $1 specials.”可知,一些快餐公司重新考虑他们的战略,像肯德基就推出了一款售价5,美元的鸡肉三明治以吸引消费者放弃1美元的特价,与1美元的特价相比,他们的商品的价格是较高的,故填high/higher。

(7)考查名词。倒数第三段举麦当劳卖咖啡和早餐粥为例证明快餐公司的食谱中增加一些新食品来保持较高的客流量,故填added。

(8)考查形容词。根据倒数第三段中的“Mc Donald's has started selling porridge in America, because the profits can be high.”可知,麦当劳卖早餐粥是因为它的利润更大,此处用形容词作表语,故填profitable。

(9)考查形容词。根据倒数第二段中的“So far, fast-food firms have cleverly avoided government regulation. By providing options like salads and low-calorie sandwiches, they have at least given the impression of doing something about helping to fight obesity”可知,快餐公司提供像沙拉和低卡路里的三明治这样健康的食物来避开政府监管,故填healthy/healthier。(10)考查形容词。根据最后一段中的“suggests that fast-food companies will have to continue trying somet hing new.”可知,随着更为严格的食品法的通过,快餐公司需要继续尝试新的东西,更有创造性、更灵活,此处缺少形容词作表语,故填creative/innovative/flexible/adaptable。

【点评】信息匹配题解题步骤:(一)先“少”后“多”;(二)锁定关键信息:抓实词;(三)信息匹配题1.寻找同义、相同的词或词组;2.寻找近义词或词组;3.留意数字(包括时间);(四)读懂省略文字;(五)学会“认”生词;(六)巧用标注记号。

4.根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Find a quiet location. Keep a routine. Focus on one subject at a time. It all seems like sound advice for students who need to hit the books, ________ . Here's a list of tips from Carey, a scientist, for getting the most out of your study time.

________.

Doing practice quizzes can help you retrieve(检索)information on test day. “Tests have a very bad reputation as a measurement tool,” Carey says. But psychologists have found self-tests slow down the forgetting of material you've s tudied. “If you study something once, and then you test yourself on it,” Carey says, “you do better than if you study it twice over.”

Move around

________ . “If you move around and study the same material in several places,” he says, “you

may be forming multiple associations for the same material. So it's better anchored in your brain, and you can pull it out easier.”

Mix it up

Think about a football who does strength training, speed training and drills. Carey says alternating between differ ent facets facts of a subject in a single sitting can “leave a deeper impression on the brain”. For example, when studying French, do some verbs, some speaking and some reading. ________ .

Space it out

Information learned in a hurry is lost just as fast. So if you really want to learn, space out shorter, hour-long study sessions. “There's no doubt that you can cram for(突击备考)an exam.” Carey says, “________. And once it's gone, “it's gone. You're not getting it back.”

A. Test yourself

B. Study it and practice more

C. and it turns out that some of them are in great help

D. but recent studies indicate the conventional wisdom is wrong

E. The problem is that it's so easy to forget what you just crammed

F. Changing up where you study can help you keep more information

G. Spending your time in deep concentration on just verbs isn't effective

【答案】 D;A;F;G;E

【解析】【分析】本文是一篇说明文,介绍了如何充分利用你的学习时间的几点建议。(1)上文说找一个安静的地方,保持常规,一次只关注一个科目,这似乎都是很合理的建议,下文又介绍了如何充分利用你的学习时间的几点建议,此处需要一个承上启下的过渡句,既与上文的建议形成转折关系,又要引出下文介绍的建议,故D项(但是,最近的研究表明传统的观点是错误的)符合语境。

(2)根据本段内容,特别是“Doing practice quizzes can help you retrieve information on test day”可知,做练习题可以帮助你在考试当天检索信息,本段讲的是要进行自我测试,故A 项(自我测试)符合语境。

(3)根据本空后的“If you move around and study the same material in several places,” he says, “you may be forming multiple associations for the same material.”可知,如果你在不同的地方学习同一种材料,你会产生多种联想,此处讲的是在不同的地点学习的好处,故F项(改变学习地点可以帮助你保存更多信息)符合语境。

(4)根据本空前的“For example, when studying French, do some verbs, some speaking and some reading.”可知,学习法语时,做一些动词,说一些,读一些,此处承接上文,讲的还是关于学习法语的内容,故G项(把时间集中在动词上是没有效果的)符合语境。

(5)根据本空后的“And once it's gone, “it's gone. You're not getting it back.”可知,一旦它消失了,你就想不起来了,此处说的是有关遗忘的内容,故E项(问题是你很容易忘记刚刚记住的东西)符合语境。

【点评】阅读理解七选五解题步骤

1)分析选项,串联主题:了解文章的主题、大意,会让解题的方向更明确。 2)研究空格前后,对比选项,选择答案。3)复读短文,核对答案:为了保证答案的正确性,一定要

把答案代入原文,进行核对检查。

5.请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意:每个空格只填1个单词。

Fear of missing out

It's Friday night. While many of your friends may celebrate by going to the movies or checking out a restaurant that's just opened, you've decided to spend this highly cherished night of the week by yourself. The night is yours to enjoy. If you think this sounds relaxing, you're not alone. At least for a little while until you start wondering if you've made the right choice. A doubt begins sinking in as you imagine the fun your friends are having in your absence. Suddenly, the quiet evening you planned for yourself begins to lose its initial appeal, and you find your excitement quickly turns to anxiety.

Fear of missing out, or FOMO, is a common fee ling. A recent study defined FOMO as “the uneasy and sometimes all-consuming feeling that you're missing out — your peers are doing or in possession of more or something better than you.

Fear of missing out often develops as a result of deeper unhappiness. Research has found that those with low levels of general life satisfaction are more likely to experience FOMO. Further worsening the all- too-common feeling is the rise of social media use. Active users of social media have a higher probability of comparing their achievements with others'. Rather than finding happiness through their own experiences, they begin worrying that theirs aren't objectively better than anyone else's.

The consequences of FOMO are significant and far-reaching. One study conducted with first-year university students found that fear of missing out was associated with fatigue(疲劳), stress, and sleep problems. Furthermore, in a 2018 study of 1,045 Americans aged 18-34, nearly 40% of participants admitted going into debt just to keep up with their friends' lifestyles, often through increased spending on food, travel, clothes, and electronics.

So how can you overcome the fear? Begin with gratitude. By reflecting on what you already have, you're less likely to put valuable mental energy in worrying about what you don't. Another alternative?

Embrace(欣然接受) JOMO, or the joy of missing out. JOMO allows you to shift your focus to what you really want at any given moment, without feeling concerned about what those around you may be doing. So, turn off your phones and tablets, and engage in something you enjoy while resisting the urge to upload and share it. While this may take practice and perseverance(坚持不懈), the results are well worth the effort.

By embracing the joy of missing out, you make room for all the benefits that come from spending time with yourself and the inner wholeness you contain; you create space to keep up with the things you wish you had more time for — gardening, reading, resting, exercising, cooking, learning, or simply being; and you see yourself in new ways and unearth the talents, fears, joys and quirks that lie beneath the surface.

borrow;grateful/thankful;focusing;know/understand

【解析】【分析】本文是一篇说明文,介绍了FOMO“害怕错过”以及产生的原因,结果,克服它的方法。并介绍了JOMO“错失的快乐”的益处。

(1)考查提取信息的能力。根据第二段中的“A recent study defined FOMO as “the uneasy and sometimes all-consuming feeling that you're missing out —your peers are doing or in po ssession of more or something better than you.”可知,最近的一项研究将“FOMO ”定义为“一种不安的、有时是全神贯注的感觉。你正在错过你的同龄人正在做或拥有比你更多或更好的东西。”所以空处填absent. 填absent。

(2)考查提取信息的能力。根据第一段中的“A doubt begins sinking in as you imagine the fun your friends are having in your absence”可知,当你想象你的朋友们在你不在的时候玩得多么开心时,你开始产生怀疑。所以空处填doubts. 故填doubts。

(3)考查提取信息的能力。根据第一段中的“ Suddenly, the quiet evening you planned for yourself begins to lose its initial appeal, and you find your excitement quickly turns to anxiety.”可知,突然间,你为自己计划的安静的夜晚开始失去它最初的吸引力,你发现你的兴奋很快变成了焦虑。所以空处填anxious. 故填anxious。

(4)考查提取信息的能力。根据第三段中的“ Research has found that those with low levels of general life satisfaction are more likely to experience FOMO”研究发现,总体生活满意度较低的人更容易出现“害怕错过”。所以空处填 unsatisfied。故填unsatisfied。

(5)考查提取信息的能力。根据第三段中的“Active use rs of social media have a higher probability of comparing their achievements with others”积极使用社交媒体的用户更有可能将自己的成就与其他人进行比较。所以空处填comparisons。故填 comparisons。

(6)考查提取信息的能力。根据第四段中的“One study conducted with first-year university students found that fear of missing out was associated with fatigue( 疲劳), stress, and sleep

problems”一项针对大学一年级学生的研究发现,“害怕错过”与疲劳、压力和睡眠等问题有关。所以空处填discomforts/problems. 故填discomforts/problems。

(7)考查提取信息的能力。根据第四段中的“ Furthermore, in a 2018 study of 1,045 Americans aged 18-34, nearly 40% of participants admitted going into debt just to keep up with their friends' lifestyles, often through increased spending on food, travel, clothes, and electronics.”可知,此外,在2018年对1045名年龄在18岁至34岁之间的美国人进行的一项研究中,近40%的参与者承认,负债只是为了跟上朋友的生活方式,通常是通过增加在食品、旅游、服装和电子产品上的支出。所以空处填borrow。故填borrow。

(8)考查提取信息的能力。根据第五段中的“So how can you overcome the fear? Begin with gratitude”可知你怎么能克服恐惧呢?从感恩开始。所以空处填grateful/thankful。故填grateful/thankful。

(9)考查提取信息的能力。根据第五段中的“JOMO allows you to shift your focus to what you really want at any given moment, without feeling concerned about what those around you may be doing.”JOMO让你在任何时候都可以将注意力转移到你真正想要的东西上,而不用担心周围的人在做什么。所以空处填 focusing。故填focusing。

(10)考查提取信息的能力。根据最后一段中的“you see yourself in new ways and unearth the talents, fears, joys and q uirks that lie beneath the surface.”可知,你用新的方式看待自己,挖掘出隐藏在表面下的天赋,恐惧,快乐和怪癖。所以空处填know/understand。故填now/understand。

【点评】本题涉及考查提取信息的能力,要求考生准确理解所给材料,根据上下文的逻辑关系,结合相关的语法知识和词汇知识,从而写出正确答案。

6.请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。

注意:每个空格只填1个单词。

Ants: master cooperators

Millions of ants live together in a colony, but they don't compete, get confused, or become disorganized. They behave in an amazing orderly manner at all times. Some scientists refer to ants as 'super-organisms' because they live in such highly organized societies that work together to survive. The way ants live and work together has made them one of the most important creatures on the planet.

Ants, like bees, belong to a class of eusocial insects. Eusocial insects are broken into groups within their community, and each group has a special job to do depending on the needs of the community. There are three basic groups in an ant colony: queens, soldiers, and workers. Queens are the largest ants, and their only job is to reproduce—they lay all of the eggs that will eventually become soldiers and workers. Soldiers are responsible for protecting the colony and finding new places for nests. Worker ants have many jobs within the community, including caring for the eggs and young ants, hunting for food and maintaining the nest.

Some scientists are studying how ants can lead to a better understanding of labor issues, social

class, and the use of nature resources in human communities. Ants have had millions of years of practice in working together to survive and grow. For a colony to function successfully, ants have to cooperate, from which people can learn a lot. Researchers hope that gathering information about how ants live together in communities can help people learn to cooperate and compromise with each other.

However, others argue that there are fundamental differences between ants and humans that mean human societies are unlikely ever to attain ant-like levels of collaboration. For example, ants in a colony don't compete with each other. When they are short of food in the colony, some worker ants automatically become 'feeder' ants and feed others with the food in their stomach, regardless of their usual job. When the food supply is replenished, they become worker ants again.

In addition, ants are able to work together without a leader giving them directions. Despite their names, queen ants are not leaders. Instead, ants find out what they need to do from their sense of smell. Research on harvester ants pass each other, they pick up a chemical smell which tells them what the other ant is doing. The number of ants they pass doing a particular job determines what they need to do. It is a form of communication, but unlike human communication it has no content; it is just based on numbers.

While ants undoubtedly have a great deal to teach us about organization and the structure of networks, those searching for a greater understanding of human behaviour and morals may need to look somewhere.

They live together in colony without competitions, ________ or being disorganized

The way they work together for ________ living in highly organized societies makes them unique on the planet.

Three groups, including queens, soldiers and workers in an ant colony have a special job, ________ the needs of the community ________ of studying ants.

It helps people understand labor issues, social class, and the use of natural resources better Ants are ________ in working together to survive and grow, helping people run the communities smoothly

It helps people learn to cooperate and ________ with each other

Differences between ants and humans

For ________ of food some worker ants automatically become "feeder ants ________ ants, humans have leaders giving people directions

Suggestion

Researchers should have different ________ in understanding human behaviour and morals.【答案】features/characteristics;confusion;survival;determining;Significance/Importance/Meaning/Benefits;experienced;compromise;shortage/lack;Unlike;angles

【解析】【分析】本文是一篇说明文,通过对蚂蚁的研究了解了它们的特点以及与人类之间的关系。蚂蚁共同生活和工作的方式使它们成为地球上最重要的生物之一。毫无疑问,

蚂蚁可以教给我们很多关于网络的组织和结构的知识,但是那些想要更好地理解人类行为和道德的人可能需要从别处寻找答案。

(1)考查信息提升能力。根据下面表格内容可知是在讲蚂蚁的“特点”,故答案为features/characteristics。

(2)考查信息提升能力。根据第一段中的“Millions of ants live together in a colony, but they don't compete, get confused, or become disorganized.”可知此空答案为confusion。

(3)考查信息提升能力。根据根据第一段中的“Some scientists refer to ants as 'super-organisms' because they live in such highly organized soc ieties that work together to survive.”可知,故填survival。

(4)考查信息提升能力。根据第二段中“each group has a special job to do depending on the needs of the community.”可知,答案为determining。

(5)考查信息提升能力。根据第三段中的“Some scientists are studying how ants can lead to a better understanding of labor issues, social class, and the use of nature resources in human communities.”可知文章在讲研究蚂蚁的“好处”,故答案为Significance/Importance/Meaning/Benefits。

(6)考查信息提升能力。根据第三段中地“Ants have had millions of years of practice in working together to survive and gro w.”可知答案为experienced。

(7)考查信息提升能力。根据第三段中的“how ants live together in communities can help people learn to cooperate and compromise with each other.”可知答案为compromise。

(8)考查信息提升能力。根据第四段中地“When they are short of food in the colony, some worker ants automatical ly become 'feeder' ants and feed others with the food in their stomach,”可知答案为shortage/lack。

(9)考查信息提升能力。根据第五段中的“In addition, ants are able to work together without a leader giving them directions.”可知答案为Unlike。

(10)考查信息提升能力。根据最后一段中的“While ants undoubtedly have a great deal to teach us about organization and the structure of networks, those searching for a greater understanding of human behaviour and morals may need to look somewhere.”可知答案为angles。

【点评】本题涉及信息提升能力的考查,要求考生准确掌握所给材料,根据上下文的逻辑关系,结合相关的语法知识和词汇知识,写出正确答案。

7.阅读短文,并按照题目要求用英语回答问题。

At the age of forty-five, my usually well-ordered life became full of changes. After twenty-two years of working in a bank, a plan to use less staff led to the unemployment of over one hundred people. Unluckily, I was one of them.

My once secure future became uncertain. However, I was not a single parent, so the family did not depend only on my income and my husband can support the family. My motto has always been, "Change is good; change is progress", but when it affected my livelihood, I had to change it. "Accept change and make the most of it." From the beginning, I chose to look at this matter not as bad luck, but as a welcome chance. I refused to become sorry; instead, I actively planned to do

something new and different.

Having a positive attitude made all the difference in the way I pursued the future. First, I decided to return to college and graduate many years later than I should have. Doing this at my age took more than a little courage. Not being a graduate had never held me back in my career in the bank, but now it's a personal goal I longed to achieve. With a lot of determination, I went to evening classes and became an adult student. In the class, I became more and more confident. During this time, I realized that no matter what life throws in our way, nothing can hinder our personal growth.

The second thing I did to improve my inner self was to reevaluate my past life. It used to be filled with endless, and sometimes meaningless events. But now, my heart and life are completely around people I care for.

The loss of my job led to some positive changes in my life. Revisiting the past made room for the future. I realize that I have accepted the change, and am making the most of it.

(1)What made the author lose her job? (no more than 10 words)

(2)What did the author do after the unemployment? (no more than 15 words)

(3)How do you understand the underlined word in Paragraph 3? (no more than 3 words) (4)How would you describe the author in terms of personalities? (no more than 5 words) (5)What's your attitude towards the "changes" in your life? Please explain. (no more than 20 words)

【答案】(1)The bank's plan to use less staff. Or: Less staff in the bank.

(2)Return to college and reevaluate her past life.Or: Return to college and devote more time to her beloved people.

(3)stop/ prevent; prohibit /forbid

(4)She is optimistic and determined. Or: She is active and adaptable.

(5)I will accept the changes and try my best to live a positive life. Or: I will make use of every chance to be successful in my life.

【解析】【分析】本文是一篇记叙文,生活中充满了变数,作者用自己的经历告诉我们要接受并善于利用这些改变。

(1)考查细节理解。根据第一段中的"a plan to use less staff led to the unemployment of over one hundred people. Unluckily, was one of them."可知,银行的裁员计划让作者失业了,故填The bank's plan to use less staff. /Less staff in the bank.

(2)考查细节理解。根据第三段中的"First, I decided to return to college"及第四段中的"The second thing I did to improve my inner self was to reevaluate my past life."可知,失业后,作者回到大学并重新评估自己过去的生活,故填Return to college and reevaluate her past life。/Return to college and devote more time to her beloved people.

(3)考查句义猜测。根据画线词后的"our personal growth"可知,无论生活给我们带来了什么(变化),没有什么能阻碍我们的个人成长,由此可知画线词词义为"阻碍",故填stop/ prevent; prohibit /forbid。

(4)考查概括归纳。根据第二段中的"I chose to look at this matter not as bad luck, but as a welcome chance. I refused to become sorry; instead, I actively planned to do something new and

different."可知,作者把失业看作一个好机会而不是坏运气,拒绝难过,积极地去做一些新的、不同的事情,下文又说作者回到大学并重新评估过去的生活,由此可见,作者积极、乐观、有决心并且适应能力强,故填She is optimistic and determined./She is active and adaptable.

(5)考查观点态度。根据最后一段中的"The loss of my job led to some positive changes in my life."及"I have accepted the change, and am making the most of it."可知,我会接受生活中的变化并积极地生活,故填I will accept the changes and try my best to live a positive life./I will make use of every chance to be successful in my life.

【点评】本题考点涉及细节理解,句义猜测,概括归纳和观点态度四个题型的考查,是一篇故事类阅读,要求考生准确掌握所给材料,根据上下文的逻辑关系,进行分析,推理,概括和归纳,从而做出正确答案。

8.Directions: Read the following passage. Fill in each blank with a proper sentence given in the box. Each sentence can be used only once. Note that there are two more sentences than you need.

A problem shared can be a problem doubled

People discuss their problems with friends in the hope that they'll gain some idea on how to solve them. And even if they don't find a way to solve their problems, it feels good to let off some steam. Indeed, having close friends to trust is a good relief against poor mental health. ________ The term psychologist's use for negative problem sharing is "co-rumination". Co-rumination is the mutual encouragement to discuss problems too much, repeatedly going over the same problems, expecting future problems and focusing on negative feelings. It is more about keeping talking about problems than solving them. ________ In a study involving children aged seven to 15 years of age, researchers found that co-rumination in both boys and girls is associated with "high-quality" and close friendships. However, in girls, it was also associated with anxiety and depression (the same association was not found with the boys).

If we look at the theory behind why individuals ruminate, it may shed some light on why friends co-ruminate. ________ So if two people believe rumination is beneficial, then working together to co-ruminate to find answers may seem like a useful thing to do, as two heads may appear better than one. But focusing on problems and negative emotion together can increase negative beliefs and moods — and result in a greater need to co-ruminate.

Traditionally, therapy has not prioritised handling rumination or co-rumination directly as maintaining factors in psychological problems. Instead, approaches such as cognitive behavioral therapy (CBT) have aimed to challenge only the content of rumination. Humanistic approaches such as counselling have provided conditions to potentially ruminate on the content of problems. And psychodynamic (心理动力的) approaches such as psychoanalysis have aimed to analyze the content of rumination.

________ But if this occurs in therapy, a strong therapeutic relationship may well be a positive outcome of co-rumination — regardless of whether the client's symptoms improve or not.

And, on the social side, discussing problems with friends doesn't always have to lead to worsening mental health, as long as the discussion involves finding solutions and the person with the problem acts on those solutions. Then, relationships can be positive and beneficial to both

parties, and a problem shared can really be a problem halved.

A. According to a leading theory on rumination, people believe that it will help them find answers and make them feel better.

B. How you co-ruminate matters too.

C. Focusing on the content of rumination runs the risk of fostering co-rumination between client and therapist.

D. How problems are discussed, though, can be the difference between halving a problem or doubling it.

E. Co-rumination with work colleagues can increase the risk of stress and tiredness, one study suggests.

F. Research shows that co-rumination is a double-edged sword.

【答案】 D;F;A;C

【解析】【分析】本文是一篇议论文。与朋友过多地讨论问题,反复讨论同样的问题,期待未来的问题,并关注负面情绪,这种被称为"共同反刍"。共同反刍是一把双刃剑,可能会让问题减半,也可能会让问题加倍。

(1)考查对上下文的理解和推理判断能力。根据空前"Indeed, having close friends to trust is a good relief against poor mental health."可知拥有亲密的朋友确实可以很好地缓解心理健康状况。后文,也就是从第二段开始作者介绍了共同反刍的涵义和利弊。空格处需要承上启下,D. How problems are discussed, though, can be the difference between halving a problem or doubling it."但是,如何讨论问题可能是将问题减半或加倍问题的区别。"切题,故选D。

(2)考查对上下文的理解和推理判断能力。根据空后"In a study…with anxiety and depression (the same association was not found with the boys)."可知下文介绍了一项涉及7至15岁儿童的研究,研究发现男孩和女孩的共同反刍与"高质量"和亲密的友谊有关。然而,在女孩中,它也与焦虑和抑郁有关。说明共同反刍既有利也有弊。承上启下, F. Research shows that co-rumination is a double-edged sword."研究发现共同反刍是把双刃剑"切题。F项的researches与后文的the study相呼应。故选F。

(3)考查对上下文的理解和推理判断能力。根据空前"If we look at the theory behind why individuals ruminate, it may shed some light on why friends co-ruminate."可知作者想用个人反刍的理论来更好地解释朋友间的共同反刍。承接上文, A. According to a leading theory on rumination, people believe that it will help them find answers and make them feel better."根据反刍的主要理论,人们相信反刍会帮助他们找到答案并让他们感觉更好。"切题。A项 a leading theory on rumination与前文中的the theory behind why individuals ruminate相呼应。故选A。

(4)考查对上下文的理解和推理判断能力。根据空后"But if this occurs in therapy, a strong therapeutic relationship may well be a positive outcome of co-rumination —regardless of whether the client's symptoms improve or not."可知在如果在治疗时出现了这件事(this),强烈的治疗关系很可能是共同反刍的积极结果- 无论客户的症状是否有所改善。空格处需要解释后文this指代的是什么,即什么发生了。呼应下文, C. Focusing on the content of rumination runs the risk of fostering co-rumination between client and therapist."专注于

反刍的内容存在促进客户和治疗师之间共同反思的风险。"切题。后文this指代的就是C项的内容。故选C。

【点评】本题要求在理解细节信息的基础上,着重考查对上下文的理解和推理判断能力。

9.阅读短文,并按照题目要求用英语回答问题。

Most of us probably dreamed about becoming an astronaut when we were little. But how many of us actually became one, or are at least working toward it?

The advice “Always follow your dreams” is something that is typically easier said than done.

But still, this is the one piece of advice that Alyssa Carson wants to share with her peers. This 17-year-old girl from the US has become one of the candidates for NASA's 2033 project to go to Mars. If everything goes well, Carson will be one of the first human beings to ever set foot on the red planet.

Carson has dreamed of going to Mars since she was only three years old. Watching an astronaut-themed cartoon and learning that humans have only been to the moon but not Mars, Carson decided that she wanted to be the first one to do so.

Since then, she has worked hard toward this goal. At the age of 12, Carson became the first person to attend all three NASA space camps, and she sat with real astronauts in a NASA panel(座谈会) to discuss the future of Mars missions.

Now 17, Carson is continuing with her space training while still taking on her high school work like a “normal” teenager, except that she studies all her subjects in four languages –English, French, Spanish and Chinese.

“I don't think there's anything specific that makes it easier for me or makes it s omething that others can't do,” Carson said in an interview with Uproxx News. “I've just really focused myself on what I want to accomplish.”

And Carson is willing to make sacrifices for her dream. She's fully aware of the danger of the mission and the possibility that she might never be able to come back. She also accepts the fact that she can't get married and start a family because any loved ones left on Earth may be a distraction for her and for the mission. But Carson believes that it's all worth it, summarizing her view with this ancient Greek proverb she once quoted, “A society grows great when old men plant trees whose shade they know they'll never sit in.”

So after all the hard work that Carson has done and all the sacrifices she's made, everything still boils down to the simple phrase, “follow your dreams”. And while some people's dreams may sound out of this world, in Carson's case, they literally(毫不夸张地) are.

(1)What will happen to Carson in 2033 if everything goes well? (No more than 8 words) (2)Why did Carson decide to be the first one to go to Mars? (No more than 20 words)

(3)How does Carson differ from other students for the school work? (No more than 10 words) (4)How do you understand the underlined sentence? (No more than 20 words)

(5)What do you think of the girl? And why? (No more than 25 words)

【答案】(1)She will set foot on the Mars. / She will go to the Mars.

(2)Because of watching an astronaut-themed cartoon and learning that humans have only been to the moon but not Mars.

(3)She studies all her subjects in four languages.

(4)A society will make progress if people make contributions without considering personal benefits.

(5)She is brave and unselfish, because she may not return to the earth and is willing to make sacrifices for her dream.

【解析】【分析】本文是一篇记叙文,讲述了一个勇敢无私的女孩Carson为了实现自己的梦想不惜牺牲自己的利益。

(1)考查细节理解。根据第三段中的“This 17-year-old girl from the US has become one of the candidates for NASA's 2033 project to go to Mars. If everything goes well, Carson will be one of the f irst human beings to ever set foot on the red planet.”可知如果一切进展的顺利,Carson 在2033年会go to Mars/ set foot on the Mars。字数要求是不能超过八个字,所以本题的答案是:She will set foot on the Mars. / She will go to the Mars.

(2)考查细节理解。根据第四段中的“Watching an astronaut-themed cartoon and learning that humans have only been to the moon but not Mars, Carson decided that she wanted to be the first one to do so.”可知Carson看了一部以宇航员为主题的卡通片,了解到人类只登上过月球,没有登上过火星,于是她决定成为第一个登上月球的人。字数要求是不能超过二十个字,所以本题的答案是:Because of watching an astronaut-themed cartoon and learning that humans have only been to the moon but not Mars.

(3)考查细节理解。根据第六段中的“Now 17, Carson is continuing with her space training while still taking on her high school work like a “normal” teenager, except that she studies all her subjects in four languages –English, French, Spanish and Chinese.”可知Carson用四门语言学习课程,这是她不同于其他学生的地方。字数要求是不能超过十个字,所以本题的答案是:She studies all her subjects in four languages.

(4)考查语句理解。A society grows great when old men plant trees whose shade they know they'll never sit in.这句话的字面意思是:当老人知道不能在自己种的树下乘凉却还坚持种树时,这个社会就发展了。再结合这段内容:这段主要讲了Carson为了为自己的梦想牺牲自己个人的利益。所以这句话引申为:当人们不考虑个人利益而为社会做贡献时,这个社会就发展了。字数要求是不能超过二十个字,所以本题的答案是:A society will make progress if people make contributions without considering personal benefits.

(5)考查推理判断。文章主要讲述了一个勇敢无私的女孩Carson为了实现自己的梦想不惜牺牲自己的利益。字数要求是不能超过二十五个字,所以本题的答案是:She is brave and unselfish, because she may not return to the earth and is willing to make sacrifices for her dream.

【点评】本题考点涉及细节理解,语句理解和推理判断三个题型的考查,是一篇故事类阅

读,要求考生准确捕捉细节信息根据上下文的逻辑关系,结合相关的词汇知识,从而做出正确答案。

10.Read the passage carefully. Fill in each blank with a proper sentence given in the box. Each sentence can be used only once. Note that there are two more sentences than you need.

Many people know that trash is a big problem on planet Earth. What many people don't know is that trash has become a problem in outer space too. ________

Statistically, there are more than 22,000 pieces of junk in space around the earth. And these are just the items that we can see from the surface of the earth by telescopes or radars. ________

Objects, like bits of old space rockets or satellites, move around the planet at very high speeds, so fast that even a very small piece can break important satellites or become dangerous to people, particularly astronauts. If the tiniest piece of junk crashed into a spacecraft, it could damage the vehicle. That's because the faster an object moves, the greater the impact if the object collides with something else.

To help minimize additional space junk, countries around the world have agreed to limit the time their space tools stay in orbit to 25 years. Each tool must be built to fall safely into the earth's atmosphere, or the mass of gases that surround the earth, after that. ________

Many scientists are also proposing different ways to clean up space junk. The Germans have been planning a space mission with robots that would collect pieces of space trash and bring them back to Earth so that they can be safely destroyed.

"In our opinion the problem is very challenging, and it's quite urgent as well," said Marco Castronuovo, an Italian Space Agency researcher who is working to solve the problem. ________ Many of these objects are tools that help people use their cell phones or computers. "The time to act is now; as we go farther in time we will need to remove more and more fragments," he says.

A. One reason that it's urgent is that countries are sending more and more objects into space.

B. There are also millions of smaller pieces of junk that we can't see.

C. Blowing up older satellites with a missile may create thousands of smaller pieces!

D. In the upper parts of the atmosphere, it will burn up.

E. When two objects in space collide, the two objects break into many smaller pieces.

F. Years of space exploration have left tons of "space junk" in orbit around the planet.

【答案】 F;B;D;A

【解析】【分析】本文是一篇说明文,介绍太空垃圾越来越严重,急需解决。

(1)考查对上下文的理解和推理判断能力。根据空后“Statistically, there are more than 22,000 pieces of junk in space around the earth.”可知,数据上来看,地球周围的太空超过22000块垃圾,F. Years of space exploration have left tons of "space junk" in orbit around the planet.“多年的太空探索在地球轨道上留下了数以吨计的垃圾”,后一句例举了具体的数据,承接后文,切题,故选F。

(2)考查对上下文的理解和推理判断能力。根据空前“And these are just the items that we can see from the surface of the earth by telescopes or radars.”可知,那些垃圾都是可以通过望

远镜和雷达观察到的,B. There are also millions of smaller pieces of junk that we can't see.“还有很多小块垃圾我们看不清”,与前一句形成对比,切题,故选B。

(3)考查对上下文的理解和推理判断能力。根据空前“Each tool must be built to fall safely into the earth's atmosphere, or the mass of gases that surround t he earth, after that.”可知,每个发射工具必须能够安全落入地球的大气层,D. In the upper parts of the atmosphere, it will burn up.“在地球的大气层上空,这些太空探测工具能够燃烧”,陈述前一句话的结果和目的,切题,故选D。

(4)考查对上下文的理解和推理判断能力。根据空前“In our opinion the problem is very challenging, and it's quite urgent as well”以及空后“Many of these objects are tools that help people use their cell phones or computers.”可知,太空垃圾问题很难解决,也很紧急,A. One reason that it's urgent is that countries are sending more and more objects into space.“紧急的原因在于人们发射了更多的卫星到太空,这些卫星主要用于帮助人们上网”,讲述紧急的原因,切题,故选A。

【点评】本题要求在理解细节信息的基础上,着重考查对上下文的理解和推理判断能力。

11.Read the following passage. Fill in each blank with a proper sentence given in the box. Each sentence can be used only once. Note that there are two more sentences than you need.

Meal kits(餐具)cut food waste but packaging is a problem

Home delivery meal kits can slash(大幅消减)food waste by more than two-thirds, but suppliers need to switch to reusable packaging to make them environmentally friendly.

________ That means leftovers are minimized. But while the delivery services score well on reducing food waste, buying the same ingredients from the supermarket almost always saves energy overall simply because meal kits use so much single-use packaging. The good news is that if you have meals that are tailored for consumption, people won't over-buy and you have less food waste. You fine-tune the portions to what people will actually eat.

Beyond the cost of the waste itself, thrown-away food generates methane(甲烷)that contributes to climate change. ________ A 2018 report from the Boston Consulting Group found that the waste was set to soar by a third by 2030 when global food waste was estimated to reach 2.1 bn tonnes.

Meal kits can reduce transport emissions if they mean people take fewer trips to the supermarket. If people only went to buy goods that are unlikely to decay such as soap and toilet paper, they might only have to visit the supermarket once every couple of months. That delivery truck can carry meals for you and dozens of neighbors. ________

The study found that even if delivered meal kits reduced food waste to zero, they would still use up more energy overall than buying the same food from the supermarket unless the energy used for the meal kit packaging was cut by a fifth. ________ All the environmental benefits are lost. But if the packaging can be reused, you can get some benefits.

A. However, meal kits are likely heading for the mainstream.

B. If it's single-use and thrown away, the packaging is a killer.

C. In that case, you might replace dozens of car trips with one truck trip.

D. Meal knits arrive on your doorstep by truck filled with every ingredient you need.

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宁夏回族自治区银川市第一中学等比数列经典例题

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2020年宁夏银川一中高考数学一模试卷(理科)

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可分别填入的是() ①②③ A7 i??1 s s i =-1 i i=+ B128 i??1 s s i =-2 i i = C7 i??1 2 s s i =-1 i i=+ D128 i??1 2 s s i =-2 i i = A.A B.B C.C D.D 8.(5分)若2 3 1 ()n x x +展开式的各项系数之和为32,则其展开式中的常数项为() A.1B.5C.10D.20 9.(5分)在平面区域{(,)|0} 2 y x M x y x x y ? ? =? ?+ ? … … ? 内随机取一点P,则点P在圆222 x y +=内部的概率() A. 8 π B. 4 π C. 2 π D. 3 4 π 10.(5分)已知直线l,m,平面α、β、γ,给出下列命题: ①// lα,// lβ,m αβ= I,则//l m; ②// αβ,// βγ,mα ⊥,则mγ ⊥;

宁夏回族自治区银川市第一中学2019-2020高一期中考试地理试卷

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宁夏银川一中2021高三第四次月考数学(理)(解析版)

2021届宁夏银川一中高三第四次月考数学(理)试题 一、单选题 1.已知集合2{|340},{4,1,3,5}A x x x B =--<=-,则A B =( ) A .{4,1}- B .{1,5} C .{3,5} D .{1,3} 【答案】D 【分析】先求出集合A ,然后再求两个集合的交集即可 【详解】由2340x x --<解得14x -<<, 所以{}|14A x x =-<<, 又因为{}4,1,3,5B =-,所以{}1,3A B =, 故选:D. 【点睛】此题考查集合的交集运算,考查一元二次不等式的解法,属于基础题 2.设3i 12i z -=+,则z = A .2 B C D .1 【答案】C 【分析】先由复数的除法运算(分母实数化),求得z ,再求z . 【详解】因为312i z i -= +,所以(3)(12)17(12)(12)55i i z i i i --= =-+-,所以z ==,故选C . 【点睛】本题主要考查复数的乘法运算,复数模的计算.本题也可以运用复数模的运算性质直接求解. 3.若平面上单位向量,a b →→ 满足3()2 a b b → → → +?=,则向量,a b →→ 的夹角为( ) A . 6 π B . 3π C . 2 π D .π 【答案】B 【分析】通过已知条件,利用向量的数量积,结合夹角公式求解即可. 【详解】解:由已知平面上单位向量a ,b 满足3()2 a b b += ,

可得2 32a b b += ,所以1 2a b =.可得1||||cos ,2 a b a b <>=, 设向量a ,b 的夹角为θ, 则1 cos 2 θ=, 故3 π θ= . 故选:B . 【点睛】本题考查向量夹角的求法,向量的数量积的应用,属于基础题. 4.已知直线l 是平面α和平面β的交线,异面直线a ,b 分别在平面α和平面β内.命题p :直线a ,b 中至多有一条与直线l 相交;命题q :直线a ,b 中至少有一条与直线l 相交;命题s :直线a ,b 都不与直线l 相交.则下列命题中是真命题的为( ) A .()p q ∨? B .()p s ?∧ C .()()p q ?∧? D .()q s ∧? 【答案】D 【分析】根据直线与平面的位置关系判断命题,,p q s 的真假性,再根据逻辑联结词的性质判断即可. 【详解】对命题p ,当,a b 均与l 相交,且不相交于同一点时也满足题意,故命题p 为假命题. 对命题q ,当,a b 均不与l 相交时, //,//a l b l ,则有//a b ,不满足,a b 异面.故,a b 至少有一条与直线l 相交.故命题q 为真命题. 对命题s ,当,a b 都不与直线l 相交,则有//,//a l b l ,则有//a b ,不满足,a b 异面.故s 为假命题. 故()q s ∧?为真命题 ,其余均为假命题. 故选:D 【点睛】本题主要考查了线面关系的判定以及逻辑联结词中的命题的真假判断.属于基础题. 5.如图,矩形ABCD 的四个顶点的坐标分别为(0,1)A -,(,1)-B π,(,1)C π,(0,1)D ,正弦曲线()sin f x x =和余弦曲线()cos g x x =在矩形ABCD 内交于点F ,向矩形ABCD 区域内随机投掷一点,则该点落在阴影区域内的概率是( )

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2020年宁夏银川一中高考数学二模试卷(一)(全国)(有答案解析)

2020年宁夏银川一中高考数学二模试卷(一)(全国) 一、选择题(本大题共12小题,共60.0分) 1.已知A={-1,0,1,2,3},B={x|x>1},则A∩B的元素个数为() A. 0 B. 2 C. 3 D. 5 2.复数z=(i为虚数单位),则|z|=() A. 25 B. C. 5 D. 3.函数f(x)=sin2x-2cos2x+1的最小正周期为() A. π B. 2π C. 3π D. 4π 4.已知向量=(-1,2),=(3,1),=(k,4),且,则k=() A. 1 B. 2 C. 3 D. 4 5.已知双曲线C:-=1的一条渐近线方程为y=x,则该双曲线的离心率为() A. 2 B. C. D. 6.一个空间几何体的三视图及部分数据如图所示,则这个几何体的体积是() A. 3 B. C. 2 D. 7.若x、y满足约束条件,则z=4x-3y的最小值为() A. 0 B. -1 C. -2 D. -3 8.已知x=lnπ,y=log52,,则( ) A. x<y<z B. z<x<y C. z<y<x D. y<z<x 9.在数学解题中,常会碰到形如“”的结构,这时 可类比正切的两角和公式.如:设是非零实数,且 满足,则 ( ) A. B. C. D. 10.我国古代名著《庄子?天下篇》中有一句名言“一尺 之棰,日取其半,万世不竭”,其意思为:一尺的木 棍,每天截取一半,永远都截不完.现将该木棍依此

规律截取,如图所示的程序框图的功能就是计算截取20天后所剩木棍的长度(单位:尺),则①②③处可分别填入的是() A. B. C. D. 11.从分别写有数字1,2,3,4,5的5张卡片中随机抽取1张,放回后再随机抽取1 张,则抽得的第一张卡片上的数字不大于第二张卡片的概率是() A. B. C. D. 12.已知点A(0,2),抛物线C:y2=ax(a>0)的焦点为F,射线FA与抛物线C相 交于点M,与其准线相交于点N,若|FM|:|MN|=1:,则a的值等于() A. B. C. 1 D. 4 二、填空题(本大题共4小题,共20.0分) 13.已知函数f(x)=2x-sin x,当x∈[0,1]时,函数y=f(x)的最大值为______. 14.已知函数y=f(x)是奇函数,当x>0时,f(x)=lg x,则的值为______. 15.已知直三棱柱ABC-A1B1C1的6个顶点都在球O的球面上,若AB=,AC=, AB⊥AC,AA2=2,则球O的表面积为______. 16.在△ABC中,已知(a+b):(c+a):(b+c)=6:5:4,给出下列结论: ①由已知条件,这个三角形被唯一确定; ②△ABC一定是钝三角形; ③sin A:sin B:sin C=7:5:3; ④若b+c=8,则△ABC的面积是. 其中正确结论的序号是______. 三、解答题(本大题共7小题,共82.0分) 17.已知等差数列{a n}中,a3a7=-16,a4+a6=0,求: (1)求{a n}的通项公式; (2){a n}的前n项和S n.

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