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南通市2017届高三第二次调研测试英语试题

南通市2017届高三第二次调研测试

英语

第I卷(三部分共85分)

第一部分听力(共两节，满分20分)

做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。

第一节(共5小题；每小题1分，满分5分)

听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。

1. What is the man going to do?

A. Buy a new T-shirt.

B. Repair the washing machine.

C. Wear the same T-shirt.

2. How many languages can Helen speak fluently?

A. Three.

B. Four.

C. Two.

3. What are the speakers mainly talking about?

A. Psychological problems.

B. Spending habits.

C. High rents.

4. Where will the woman go first?

A. To the post office.

B. To the bakery.

C. To the bank.

5. Where does the conversation probably take place?

A. At home.

B. At a restaurant.

C. At school.

第二节

听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。

听第6段材料，回答第6、7题。

6. Whose pictures has the man seen?

A. Jennifer’s.

B. Lisa’s.

C. Laura’s.

7. What does the man have to do now?

A. W ait for his partner’s reply.

B. Book a flight immediately.

C. Ask his boss for the time off.

听第7段材料，回答第8、9题。

8. Why did the woman go to that location?

A. She saw a brochure.

B. It has the lowest price.

C. It’s near her workplace.

9. What does the man want the woman to do?

A. Buy a golden card.

B. Go online immediately.

C. Give him a picture.

听第8段材料，回答第10至12题。

10. Who might Ms. Winkler be?

A. Ella’s mom.

B. Ella’s teacher.

C. Ella’s classmate.

11. What does Ella need to do to be a top ten student?

A. Pass the final exam.

B. Do well for the next few months.

C. Get a 90% on the final exam.

12. What is the man worried about?

A. Ella’s admission to college.

B. Ella’s social life.

C. Ella’s mental health.

听第9段材料，回答第13至16题。

13. What did Eva do last night?

A. She went to a concert.

B. She saw a Christmas play.

C. She watched a basketball game.

14. Who is Rebecca?

A. Eva’s classmate.

B. Eva’s tutor.

C. Eva’s sister.

15. What does Eva’s mother probably do for a living?

A. She’s a violinist.

B. She’s a nurse.

C. She’s a coach.

16. Why is Derek having trouble with his studies?

A. He is busy with his music.

B. He has to work in the orchestra.

C. He has a lot of responsibilities at home.

听第10段材料，回答第17至20题。

17. Who is making the announcement?

A. The city.

B. Campus Security.

C. The marathon organizer.

18. When does the race start?

A. At 8:00 a.m.

B. At 9:00 a.m.

C. At 9:30 a.m.

19. What does the speaker ask the listeners to do?

A. Get excited about the marathon.

B. Call the marathon organizer’s office.

C. Finish their business before 9:00 am.

20. Why should people get a map?

A. To find the closest parking lots.

B. To deal with potential traffic problems.

C. To find out which shops and banks are open.

第二部分英语知识运用(共两节, 满分35分)

第一节单项填空(共15小题；每小题1分，满分15分)

请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。

21. The Internet is so much a part of our culture that it affects our lives by acting as a ______ for

face-to-face contacts.

A. preference

B. motivation

C. substitute

D. guideline

22. —Will Uncle Peterson come to my birthday party tomorrow?

—Pity he ______ to Zimbabwe as a volunteer teacher.

A. was sent

B. has been sent

C. had been sent

D. would be sent

23.How come every kid today is meant to be a champion for something _____ we know every

kid can’t be a star?

A. in case

B. as if

C. when

D. unless

24. The government is to _____ the technologies to the full in the structural transformation of the

economy.

A. adapt

B. expose

C. exploit

D. attach

25. The prize winner described to the class _______ he had managed to achieve excellence in his

studies.

A. if

B. how

C. what

D. that

26. In contrast with the liberal social climate of the present, traditions in the past were relatively

______.

A. competitive

B. comprehensive

C. creative

D. conservative

27. Teachers in primary schools ______ influence the kids fall under should be role models.

A. whose

B. who

C. where

D. which

28. —I have no idea what made the students so excited and crazy.

—______ it have been their team’s victory in the finals?

A. Must

B. Could

C. Would

D. Should

29. —What does Nicky’s job involve as a public relations director?

—______ quite a lot of time with other people.

A.Spending

B.Having spent

C. To spend

D. To have spent

30. —The new machines have arrived and are being tested in the workshop.

—I’m glad we _____ them in the years ahead.

A. will be operating

B. have been operating

C. would be operating

D. had been operating

31. —How impressive John’s painting is!

—Actually, it was 2 years after he retired _____ he started to learn drawing.

A. before

B. since

C. until

D. that

32.Roger trained hard for the tournament for months, but unfortunately he had to _______

due to a knee injury.

A. pull out

B. work out

C. try out

D. give out

33.A lot of suggestions were put forward at the meeting, but ______ was practical.

A. nothing

B. none

C. neither

D. no one

34.Though lacking the necessary working experience, my cousin got the job ______ her

confidence and flexibility.

A. in terms of

B. in response to

C. by virtue of

D. with respect to

35. —Jack should have calmed down at the party!

—But the kids made so much noise that he couldn’t help but _______.

A. face the music

B. eat like a bird

C. mend his ways

D. fly off the handle

第二节完形填空(共20小题；每小题1分，满分20分)

请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。

I was 23 and studying to be a teacher when friends noticed I was slurring (含糊地发音) my speech and losing my balance. My concentration 36 and it felt as if my brain was slowing down.

I was 37 to find an answer, and after countless tests, I was finally diagnosed (诊断) with multiple sclerosis (多发性硬化症). It was a 38 , but I was relieved finally to find out what was wrong with me.

Soon after my diagnosis, I decided to 39 teaching, the only career I had ever wanted to chase. It was a destructive decision, but I couldn’t see a(n) 40 . Over the next seven years, my symptoms didn’t41 , but they came and went, which is42 of multiple sclerosis. Eventually, I felt well enough to 43 a job as a teaching assistant. I was glad to be back in education, but living with the 44 meant that I was never going to live my dream of being a teacher.

Then, 13 years after my45 diagnosis, a doctor told me that in fact I did not have multiple sclerosis. I was very 46 . I pictured all those years bed-bound, the injections (注射), the impact on family and 47 , and all for what? I demanded answers but the doctor’s replies were 48 . He suggested that my symptoms may have been caused by a lack of vitamin D. And there was no 49 .

I 50 to the hospital, but no action was taken. I went to a lawyer, but because it was a hard case to prove, I couldn’t get51 aid. However, accepting that my life was no longer

52 by the illness had the biggest effect on my recovery.

I started the journey back to becoming a53 and completed a four-year Open University degree in two years. I wanted to 54 the time I had lost in my 20s. I’ve just started a new job in a large primary school. I try to forget the accident. What 55 is who I am now.

36. A. increased B. slipped C. disappeared D. lasted

37. A. worried B. thrilled C. content D. desperate

38. A. shock B. wonder C. dilemma D. mystery

39. A. give up B. focus on C. set about D. stick to

40. A. consequence B. advance C. alternative D. purpose

41. A. occur B. worsen C. continue D. exist

42. A. short B. full C. typical D. worthy

43. A. take off B. take on C. take back D. take in

44. A. mood B. job C. assistant D. condition

45. A. initial B. theoretical C. accurate D. positive

46. A. calm B. angry C. happy D. regretful

47. A. career B. health C. conscience D.marriage

48. A. direct B. negative C. vague D. proper

49. A. excuse B. response C. question D. apology

50. A. catered B. applied C. complained D. appealed

51. A. financial B. medical C. legal D. technical

52. A. defined B. simplified C. pushed D. abandoned

53. A. leader B. teacher C. lawyer D. doctor

54. A. take advantage of B. keep pace with C. run out of D. catch up on

55. A. stresses B. functions C. remains D. counts

第三部分阅读理解(共15小题；每小题2分，满分30分)

请认真阅读下列短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。

Earth Day Photo Contest

A picture is worth a thousand words! Enter the TFK photo contest and show us: Why is Earth Day important to our planet?

To enter online, visit https://www.wendangku.net/doc/5d16047166.html,/2017earthdaycontest and get details below.

TIME

● The contest begins on January 9, 2017.

● The contest ends on April 20, 2017.

INSTRUCTIONS

● A n original and previously unpublished photograph that answers the Earth Day question ―Why is Earth Day important to our plan et?‖ and that was photographed by the Entrant(参赛者) between June 1, 2016, and April 20, 2017.

● A caption describing the picture, what is happening, where the photo was taken, the date the photo was taken and why Entrant chose to enter this image.

● Entr ant’s first name only; Entrant’s email address; and parent’s, teacher’s or guardian’s email address. Limit one entry per person. Sponsor is not responsible for lost, late, or incomplete entries, or entries not received for any reason. Entries belong to Sponsor, and none will be acknowledged or returned.

● By entering, Entrant guarantees that the entry is original and has not been published in any medium or won an award.

ELIGIBILITY

Open to residents of the 50 United States and the District of Columbia who are elementary school students ages 8–13 years at time of entry.

WINNERS’ LIST and PRIZES

Judges will select 10 Semifinalists from which one Grand-Prize Winner and nine Finalists will be chosen. The Grand-Prize Winner will receive a digital camera–approximate retail (零售) value: $300.00. The photograph entry of the Grand-Prize Winner will be published in the April 22 Earth Day issue of TIME For Kids. The photograph entries of all Semifinalists will be published in the gallery of https://www.wendangku.net/doc/5d16047166.html,. Winner will be informed by email, and must respond within five days.

56. An Entrant who will participate in the photo contest should _____.

A. send an original photo establishing the Earth Day

B. present a relevant description of the photo entry

C. inform the sponsor of his or her delayed email

D. offer his or her email address and family name

57. What do we know about the photograph entry of the winner?

A. It will be published in a magazine and a gallery.

B. It will be evaluated at approximately $300.00.

C. It will be selected from nine Finalists’ entries.

D. It will be acknowledged and returned afterwards.

There are endless motivations for human behaviour, from the basic drives for food to more complicated ones, such as sympathy, envy and anger. But none of these explain behaviours that we call compulsions (强迫症).They come from a need that is desperate and tortured (折磨). They may bring relief, but they bring little enjoyment, and while one part of our brain desperately wishes to stop them, another is afraid of stopping.

I used to view compulsions as foreign and almost frightening. But in the course of my research, two things happened. First, when I got to know people who were compulsive, their behaviour didn’t seem unreasonable at all. Second, I realized that although people with the most extreme compulsions seem like outliers (另类人), the anxiety that drives them to those extremes is universal.

Over any year, many of us find ourselves in the control of a compulsion that falls short of something that is disabling enough to qualify as a mental disorder – in fact, some compulsions are adaptive, helping us lead our lives or perform our jobs more effectively.

Like many people, maybe you feel forced to reach for your smart phone as soon as you wake up in the morning. Fortunately a growing number of experts have begun to succeed in distinguishing addictions from compulsions.

An addiction begins with a flash of pleasure accompanied with danger; it’s fun to gamble or to drink, and it also puts you at risk. Additions involve acting without planning or even thought, driven by an urge for immediate https://www.wendangku.net/doc/5d16047166.html,pulsions, in contrast, are all about avoiding unpleasant outcomes. They are behaviours we repeat many times to relieve the anxiety brought on by the possibility of negative consequences. But the actual behaviour is often unpleasant – or at least not particularly rewarding, especially after many rounds of it.

Behind every compulsion is the need to avoid what causes you pain or anxiety. Compulsive behaviour is not necessarily a mental disorder. Some forms of it can be, and people in its control deserve to be diagnosed and helped. But many are expressions of psychological needs we all feel: to be at peace and in control, to feel connected and to matter. And if those are mental illnesses, we’re all crazy.

58. From the first two paragraphs, we know that _____.

A. compulsions can bring relief as well as enjoyment

B. compulsive people will prefer unreasonable behaviour

C. compulsions may be an understandable response to anxiety

D. compulsive people must be frightening and behave differently

59. The main difference between addictions and compulsions lies in _____.

A. human relationships

B. financial rewards

C. internal drives

D. social expectations

60. What’s the author’s attitude towards compulsion?

A. Objective.

B. Negative.

C. Doubtful.

D. Cautious.

HIV is a tricky virus that escapes typical immune responses. During a successful immune system response to a foreign body, white blood cells produce antibodies that target the foreign body. These antibodies then mark the foreign body for destruction by other immune cells. For the most part, HIV escapes these immune defenses, but rare individuals develop antibodies that effectively block the virus. Researchers are now showing that these antibodies can also act as treatments in other HIV patients.

HIV has several ways of escaping the immune response. Unlike most viruses, HIV specifically attacks a type of white blood cell that is critical to our immune system. During reproduction, the HIV virus also picks up many new mutations (变异), which often change it enough that any antibodies produced earlier during the infection no longer recognize it.

These rare antibodies can also keep the virus from infecting new cells, which could make them an effective treatment. In animal studies, injection of low concentrations of these antibodies could act as a vaccine (疫苗) and provide protection against infection. Injections can even control active infections when combined with additional antibodies that target other molecules (分子) on the HIV surface. These findings led to humans phase 1 clinical trials to evaluate a specific antibody that targets HIV. This study revealed that a single injection of the antibody typically reduced the presence of HIV in the blood of patients who have viruses that were sensitive to the antibody.

After performing test-tube studies showing the effectiveness of the antibody, the researchers evaluated its safety in humans in a small trial. The study included two groups of participants: 14 uninfected individuals and 19 individuals with an HIV-1 infection. The researchers then tracked the clearance of the antibody by following its levels in t he participants’ blood. Consistent with previous studies, HIV-1 infected individuals exhibited faster clearance of the antibody, with a half-life of 12.8 days compared to 24.0 days for uninfected participants. Despite the fast clearance, however, the antibody appeared to be effective.

Thirteen HIV-1 infected participants with the highest levels of virus received the highest dose (剂量) of the antibody. Eleven of them showed a rapid decline in HIV levels. Tracking the infection through the first weeks after treatment revealed the evolution of multiple viruses that were no longer affected by the antibody. However, these new variants (变体) generally remained sensitive to antibodies targeting other virus surface molecules.

Overall, this investigation shows the safety of injections of antibody 10-1074 in humans. Thus, researchers may be able to build a cocktail of antibodies that effectively block active HIV infections.

61. HIV escapes immune responses by _____.

A. removing the foreign body

B. identifying the immune system

C. attacking a certain white blood cell

D. reproducing some effective antibodies

62. What does the underlined word ―it‖ in Paragraph 2 refer to?

A. The immune system.

B. A type of white blood cell.

C. The HIV virus.

D. An antibody.

63. The purpose of the further study of antibodies is to _____.

A. introduce a vaccine protecting humans against infection

B. confirm the reduction of HIV in the blood of the patients

C. track a faster clearance of antibodies in uninfected subjects

D. prove the safety and effectiveness of antibodies in humans

64. What can we infer from the passage?

A. Antibodies remain ineffective against most HIV viruses.

B. Researchers feel optimistic about a new cure for HIV.

C. Researchers get contradictory findings from a series of studies.

D. Antibodies can evolve with HIV viruses from infected patients.

About 15 years ago, I taught A Problem from Hell, a book on genocides (大屠杀), to a group of 18- and 19-year-olds in a mid-west university in the US. In my class there was a young man who had spent his boyhood in Bosnia as NATO bombed his hometown. My other students, amazed by his connection to the genocide in the textbook, asked him what it was like to grow up in a war-zone. ―A pretty normal childhood as you had here,‖ he said. ―We played cards inside a lot, and when there was no bombing we kicked a ball in the street.‖

In the past few years, the world has seen a rapid increase in refugees (难民), with the number hitting 60 million. Viet Thanh Nguyen’s story collection The Refugees reminds us that literature is news that stays news. Set in the Vietnamese communities in California as well as in Vietnam, the stories do not aim to surprise us with new twists or shock us with wonderful details, as war and refugee stories could easily choose to do. Rather, like the young man from Bosnia, Nguyen’s characters tell these stories because they are the only ones known to them.

Included in the collection are two of the most touching pieces, both about siblings (兄弟或姊妹) separated by geography and history. In “Black-Eyed Women”, the narrator (讲述人), a young Vietnamese woman, is visited by the ghost of her elder brother, who died young on the boat when the family took flight from the war. The tale of love and loss, violence and violation, may not be unfamiliar to the reader, but the determination of the brother’s ghost (he has taken decades to swim across the Pacific to reach America) and the sister’s abandoning herself to a half death make the story lasting.

As an echo, the closing story, ―Fatherland‖, explores a more complex situation between two siblings. The narrator, a young Vietnamese woman, meets her half-sister, visiting from the US for the first time. Adding to the tension is the fact that her father has named the narrator and her siblings after his first set of children. Two sisters, one American and one Vietnamese, yet named the same by the father –it may sound strange, but isn’t it the fate many refugees have to face: a life left behind, that could have been theirs; and a life in an adopted country.

The theme of doubleness – choice and inevitability (不可避免性), home and homelessness, starting afresh and being stuck – is present not only in the stories of Vietnamese refugees, but also

of those who have become refugees from their own homes and loved ones. ―Smiling at your relatives never got you very far, but smiling at strangers and acquaintances sometimes did.‖ So a pilot, who fought in the Vietnam war and is now revisiting the country for the first time, thinks while waving at the locals from a tour bus. He’s distant from his daughter, just as a Mexican American in the collection is distant from his wife, or a young man from Hong Kong is distant from his father.

The collection is full of refugees, whether from external or from a deeper, more internal conflict between even those who are closest to each other. With anger but not despair, with reconciliation (和解) but not unrealistic hope, and with genuine humour that is not used to insult anyone, Nguyen has breathed life into many unforgettable characters.

65. The first paragraph is intended to ______.

A. describe the boring life of war victims

B. appeal to the readers to help war victims

C. c riticize NATO’s killing of innocent people

D. introduce the story collection The Refugees

66. Which of the following about The Refugees is True?

A. It tells the news in a literary form.

B. It is full of surprising twists and plots.

C. The author experiences the stories himself.

D. Its characters narrate their own stories.

67. How are Black-Eyed Women and Fatherland mainly developed ?

A. By giving examples.

B. By making contrasts.

C. By providing evidence.

D. By making classifications.

68. We can infer from Paragraph 5 that _____.

A. relatives hate their loved ones for being left behind

B. separation from loved ones tends to make them distant

C. people become refugees due to their double character

D. smiling is a good way to keep loved ones together

69. Which of the following is the theme of The Refugees？

A. Despair, suffering,and regret.

B. Anger, humour and hope.

C. Sympathy, regret, and reconciliation.

D. Dream, hope, and expectation.

70. The Refugees mainly focuses on ______.

A. the problems of identity, love, and family for refugees

B. the miserable lives of refugees in the adopted countries

C. the refugees’ reunion with their families after separation

D. the various reasons for people’s being reduced to refugees

第Ⅱ卷(两部分共35分)

第四部分任务型阅读(共10小题；每小题1分，满分10分)

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。请将答案写在答题卡上相应题号的横线上。

The Science Behind Smiling

Not only does smiling reward our brain’s feel-good system, it also makes us look more attractive and lowers stress levels. In stressful situations, smiling is a great way to relieve extreme levels of stress and to keep your cortisol (皮质醇) levels under control.

Naturally, happiness can result in smiling. Also, smiling can actually create happiness. Smiling tricks our brains into believing we are happy, and one way it does this is by making us think of happier memories, which improve our moods.

When the smiling muscles in our face contract, it sends a signal to the brain to encourage the reward system that further increases our levels of endorphins, or happiness hormones (荷尔蒙). It can have the same effect on our happiness as eating chocolate or receiving a monetary prize.

Even though the exact relationship behind facial expression and mental state is largely unknown, it has been suggested that smiling reduces levels of the stress-inducing hormone cortisol. Increased levels of cortisol could potentially lead to cardiovascular disease, mental illness, and obesity, so it’s worth every effort to try to decrease our cortisol levels.

Research shows that when you smile, people treat you differently. Smiling instantly makes you appear more reliable, relaxed, sincere, and attractive. A study found that people who smiled more were rated as more attract ive than those who avoided eye contact and didn’t smile at all.

Perhaps this is why celebrities (名人) invest in perfect smiles, often looking for porcelain veneers to give them flawlessly straight, white teeth. According to a cosmetic (化妆用的) dentistry practice in Boston, broken and stained teeth can make a person look older, while a brighter smile gives a look of health and youthfulness. Anyone you spot on television will more likely than not have a perfect smile. This gives them a youthful shine while at the same time making them look more attractive.

Smiling is an act that many of us may have to practice in order to make a regular habit. However, it’s a habit worth investing in, as smiling, happiness, and health have a scientifically proven link to one other. If you find it hard to smile, try being around people who tend to smile a lot. According to a Swedish study, it is difficult to keep a straight face when constantly faced with people who are smiling at you.

Title: The Science Behind Smiling

第五部分书面表达 (满分25分)

81.请阅读下面短文，并按照要求用英语写一篇150词左右的文章。

The news that Li Tiejun, a father in the southwestern city of Luzhou, had his nine-year-old daughter drop out of school and homeschooled her for 11 years has aroused heated discussions online. It is reported that about 18,000 Chinese children are educated at home. With more parents and education experts dissatisfied with the current system, do you support home schooling for your child? Below are the selections of the opinions from the netizens.

Seneca

Li is a hero. But at the same time, it has to be pointed out that he was and is not the ideal teacher for his daughter. She can’t possibly learn about physics, chemistry and biology from an elderly man with no formal higher education. I wish his daughter all the success in life that she may wish to have.

nit666

I was homeschooled until I was about 12. In Australia, we have a remote school option for people who live away from the cities. We were taught through mail. I would say that you can learn as much knowledge as people in a school. My life were much happier without the kind of academic pressure.

【写作内容】

1. 用约30个单词写出上文概要；

2. 用约120 个单词发表你的观点，内容包括:

(1)支持或反对家长自己在家教孩子的做法；

(2)用2-3个理由或论据支撑你的观点。

【写作要求】

1. 写作过程中不能直接引用原文语句；

2. 作文中不能出现真实姓名和学校名称；

3. 不必写标题。

【评分标准】

内容完整，语言规范，语篇连贯，词数适当。

安徽省合肥市2017届高三第一次教学质量检测

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安徽省合肥市2018届高三调研性检测数学理试题Word版含答案

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A ．72 B ．144 C. 216 D ．105+6. 在ABC ?中，角,,A B C 对应的边分别为,,a b c ，60,4,C a b c =?==，则ABC ?的面积为（） A 7. 已知,x y 满足约束条件252340380x y x y x y +≥?? -+≥??--≥? ，则2z x y =-的最小值是（） A ．0 B ．4 C. 5 D ．6 8. 已知函数()sin 6f x x πω? ?=+ ?? ?的图象向右平移3π个单位后，所得的图象关于y 轴对称，则ω的最小正值为（） A ．1 B ．2 C. 3 D ．4 9.用数字0,1,2,3,4组成没有重复数字且大于3000的四位数，这样的四位数有（） A ．250个 B ．249个 C. 48个 D ．24个 10.函数()1x x y e e x x -? ?=-- ?? ?的图象大致是（） A ． B ． C. D ．

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料受到 A. 炙烤 B. 冻害 C. 雨淋 D. 浸泡浑善达克沙地位于内蒙古锡林郭勒草原，20世纪80年代，该地区出现众多风蚀坑，坑边发育有植被覆盖的沙丘，研究发现该地区风蚀坑规模扩大、沙丘高度不断增加。2000年以后，浑善达克地区调整产业结构，大力发展旅游业。下图示意某风蚀坑及坑边沙丘等高线分布。据此完成下列各题。 7. 根据风蚀坑的形态，推测该地盛行( ) A. 偏东风 B. 偏南风 C. 偏西风 D. 偏北风 8. 图示沙丘高度不断增加是因为沙丘比风蚀坑( ) A. 风速快 B. 植被多 C. 坡度缓 D. 降水多 9. 为防止风蚀坑规模扩大，可在该地区( ) ①营造常绿阔叶林②风蚀坑内设置沙障 ③控制越野自驾游④种植耐旱农作物 A. ①② B. ①④ C. ②③ D. ③④ 标准木是指在森林调查中选测的有代表性的树木。下图示意2006—2007年西藏某地(29°N，94°E)云杉林标准生物量垂直分布。读图完成下列各题。

2018届安徽省合肥市高三调研性检测数学理试题Word版含答案

2018届安徽省合肥市高三调研性检测数学理试题第Ⅰ卷（共60分）一、选择题：本大题共12个小题,每小题5分,共60分.在每小题给出的四个选项中，只有一项是符合题目要求的. 1.已知i 是虚数单位，则 21i i =-（） A ．1i -+ B ．1i + C ．1i - D ．1i -- 2.已知集合{} ,x A y y e x R ==∈，{} 260B x R x x =∈--≤，则A B ?=（） A ．()0,2 B ．(]0,3 C ．[]2,3- D ．[]2,3 3.执行如图的程序框图，则输出的S 的值为（） A ．9 B ．19 C ．33 D ．51 4.双曲线22 221x y a b -=的一条渐近线与直线210x y +-=垂直，则双曲线的离心率为（） A D 1 5.如图是一个几何体的三视图，则该几何体的体积是（）

A ．72 B ．144 C. 216 D ．105+ 6. 在ABC ?中，角,,A B C 对应的边分别为,,a b c ，60,4,C a b c =?==ABC ?的面积为（） A 7. 已知,x y 满足约束条件252340380x y x y x y +≥?? -+≥??--≥? ，则2z x y =-的最小值是（） A ．0 B ．4 C. 5 D ．6 8. 已知函数()sin 6f x x πω? ?=+ ?? ?的图象向右平移3π个单位后，所得的图象关于y 轴对称，则ω的最小正值为（） A ．1 B ．2 C. 3 D ．4 9.用数字0,1,2,3,4组成没有重复数字且大于3000的四位数，这样的四位数有（） A ．250个 B ．249个 C. 48个 D ．24个 10.函数()1x x y e e x x -? ?=-- ?? ?的图象大致是（） A ． B ． C. D ． 11.已知0a b >>，则41 a a b a b + + +-的最小值为（）

安徽省合肥市2017届高三第一次教学质量检测物理试题Word版含答案

一、选择题 1.汽车甲和乙在同一公路上做直线运动，下图是它们运动过程中的v t -图像，二者在1 t 和2 t 时刻的速度分别为1v 和 2 v ，则在 1 t 和2 t 时间内（） A.乙运动的加速度不断增大 B.甲与乙间距离越来越大 C.乙的平均速度12 2 v v v =+ D. 1 t 时刻甲的加速度大于乙的加速度 2.一质量为m 的物体静止在光滑水平面上，在水平力F 作用下，经时间t 、通过位移L 后，动量变为p 、动能变为k E 。若上述过程中F 不变，物体的质量变为2 m ，以下说法正确的是（） A.经过时间2t ，物体动量变为2p B.经过位移2L ，物体动量变为2p C.经过时间2t ，物体动能变为 4k E D.经过位移2L ，物体动能变为 4k E 3.2016年11月14日“超级月亮”现身合肥市夜空，某时刻月亮看起来比平常大14%、亮度提高了30%，这是因为月球沿椭圆轨道绕地球运动到近地点的缘故，则下列说法中正确的是（）

A.此时月球的速度最小 B.此时月球的加速度最大 C.月球由远地点向近地点运动的过程，地球对月球的万有引力做负功 D.月球由远地点向近地点运动的过程，月球的机械能减小 4.如图所示，绷紧的长为6m 的水平传送带，沿顺时针方向以恒定速率12/v m s =运行。一小物块从与传送带等高的光滑水平台面滑上传送带，其速度大小为 2 5/m s v =。若小物块与传送带间动摩擦因数0.2μ=，重力加速度2 10/g m s =，下列说法中正确的是（） A.小物块在传送带上先向左做匀减速直线运动，然后向右做匀加速直线运动 B.若传送带的速度为1/m s ，小物块将从传送带左端滑出 C.若传送带的速度为5/m s ，小物块将以5/m s 的速度从传送带右端滑出 D.若小物块的速度为4/m s ，小物块将以4/m s 的速度从传送带右端滑出 5.如图所示，电荷量相等的两个电荷1 Q 和2 Q ，两者连线及中垂线上分别有A 点和B 点，则下列说法正确的是（） A.若两者是同种电荷，则A 点的电势一定高于B 点的电势 B.若两者是同种电荷，则A 点的场强一定大于B 点的场强 C.若两者是异种电荷，则A 点的电势一定高于B 点的电势 D.若两者是异种电荷，则A 点的场强一定大于B 点的场强

安徽省合肥市2019届高三上学期调研性检测英语试题含答案

第一部分听力（共两节，满分30分）做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节（共5小题；每小题分，满分分）听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。例：How much is the shift? A. ￡. B. ￡. C. ￡答案是C。 1. Where are the speakers? A. In a hotel. B. In a clinic. C. In a classroom. 2. When will the concert start? A. At 7:40. B. At 7:50. C. At 8:00. 3. What is the woman probably doing? A. Driving her friend home. B. Visiting the man’s office. C. Looking for a new house. 4. What are the speakers talking about? A. Doing exercise. B. Choosing a gym. C. Taking a PE exam. 5. What does the man expect o do with his TV? A. Have it fixed for free. B. Return it to the store. C. Change it for a new one.

安徽省合肥市2017届高三第一次教学质量检测(含答案)word版

安徽省合肥市2017年高三第一次教学质量检测数学试题（理科）（考试时间：120分钟满分：150分）注意事项： 1．选择题用答题卡的考生，答第1卷前，务必将自己的姓名、准考证号、试题科目用 2B 铅笔涂写在答题卡上。 2．选择题用答题卡的考生，在答第I 卷时，每小题选出答案后，用2B 铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其它答案，不能答在试题卷和答题卷的选择题栏中；不用答题卡的考生，在答第I 卷时，每小题选出答案后，填在答题卷相应的选择题栏上。 3．答第Ⅱ卷时，考生务必将自己的学校、姓名、考点、准考证号填在答题卷相应的位置；答题时，请用0.5毫米的黑色签字笔直接答在答题卷上，不要在试题卷上答题。 4．考试结束，监考人将答题卷和答题卡一并收回，第I 、Ⅱ卷不收回。第Ⅰ卷（满分50分）一、选择题（本大题共l0题，每小题5分，共50分；在每小题给出的4个选项中，只有一是符合题目要求的） 1．复数5(3)2i Z i i = -+-在复平面内的对应点位于（） A ．第一象限 B ．第二象限 C ．第三象限 D ．第四象限 2．集合2 {1,0,4},A N =-≤∈集合B={x|x -2x-30,x }，全集为U ，则图中阴影部分表示的集合是（） A ．{4} B ．{4，—1} C ．{4，5} D ．{—1，0} 3．下列命题： ①,x ?∈R 不等式2 243x x x +>-成立; ②若2log log 22x x +≥ ，则x>1; ③命题“00,c c a b c a b >><>若且则”的逆否命题； ④若命题p: 2 ,11x x ?∈+≥R ，命题q ：2 ,210x x x ?∈--≤R ，则命题p q ∧?是真命题.其中真命题只有（） A ．①②③ B ．①②④ C ．①③④ D ．②③④

安徽省合肥市2018届高三三模数学(理科)试题

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