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江苏省盐城市盐城市一中、大丰高级中学等四校2020-2021学年高二上学期期终考试英语试题及答案

江苏省盐城市盐城市一中、大丰高级中学等四校2020-2021学年高二上学期期终考试英语试题及答案
江苏省盐城市盐城市一中、大丰高级中学等四校2020-2021学年高二上学期期终考试英语试题及答案

考试时间:2021年1月27日

2020-2021学年第一学期高二年级期终考试

英语试题

【考试时间:120分钟分值:150分】

第一部分:听力(共两节,满分30分)

第一节(共5小题;每小题1.5分;满分7.5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's the time now?

A. 8:30.

B. 7:55.

C. 8:35.

2.Why does the woman look sad?

A. She did badly in the exams.

B. She worries about her coming tests.

C. She is ill.

3.What do we learn about the taxi driver?

A. He drove too fast and crashed into a truck.

B. He turned suddenly and ran into a tree.

C. He was hit by a falling box from a truck.

4.What is the man doing?

A. He is asking about his letter.

B. He is buying plane tickets to Europe.

C. He is sending some postcard.

5.Where does the conversation mostly take place?

A. In a restaurant.

B. In the woman's house.

C. In the market.

第二节(共5小题;每小题1.5分;满分22.5分)

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.Where is the Jazz Festival going to be held?

A. This Thursday.

B. Next Saturday.

C. Next Thursday.

7.Who is the man’s favorite singer?

A. Carlon Carpenter.

B. Michael Jackson.

C. Madonna.

听第 7 段材料,回答第 8、9 题。

8.What material would the man like for spring?

A. Leather.

B. Cotton.

C. Wool.

9.What color does the woman like?

A. Pink.

B. White. C Red.

听第 8 段材料,回答第 10 至 12 题。

10.What class has the woman already taken?

A. Spanish.

B. Biology.

C. Math.

11.How does the woman feel about the science classes?

A. She is quite interested in them.

B. She regrets to have taken them.

C. She doesn't like them.

12.W hat kind of job will the man try to get?

A. Driving a taxi.

B. Working in a gas station.

C. Working in a restaurant. 听第 9 段材料,回答第 13 至 16 题。

13.Where are the two speakers?

A. At school.

B. In a park.

C. In the countryside.

14.How does the woman feel today?

A. Relaxed.

B. Lonely.

C. Sick.

15.What will the speakers do this weekend?

A. Drive to the countryside.

B. Attend a party.

C. Go back home.

16.What will the woman bring to the barbecue?

A. Her family.

B. Some drinks.

C. Moon cakes.

听第 10 段材料,回答第 17 至 20 题。

17.What is the main topic of the talk?

A. Scientific research.

B. Environmental protection.

C. Social development.

18.Who is the speaker probably?

A. A university professor.

B. A tourist guide.

C. A government official.

19.How many people were there in Anchorage in 1960?

A. About 75,000.

B. About 180,000.

C. About 40,000.

20.What is the speaker most probably doing next?

A. Showing some slides.

B. Writing a letter to the government.

C. Putting forward some suggestions.

第二部分:阅读理解(共两节,满分50分)

第一节(共15小题;每小题2.5分,满分37.5分)

阅读下列短文,从每题所给的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。

A

Dogs are man's best friend. If you plan on buying a dog, try to put in a little bit of research. You will find out that there are plenty of dog breeds(品种) to choose from, but some are more expensive than others. Not just in terms of the price, but also grooming(梳理) and medical expenses.

In this list, we will cover the most expensive dog breeds in the world that you can buy. We’ll even include the dog’s price tag, washing expenses, and average health care costs.

Kerry Blue Terrier

With a price at $ 600, this dog might be inexpensive. However, due to their many health concerns, health care costs can reach up to $7,000. If taken good care of, they can live up to 15 years.

Great Dane

The Great Dane breed is a big dog with an average price of $ 800. This breed has a life expectancy(期限) of 7 to 10 years. The average health care costs are expected to be around $7,100.

Bernese Mountain Dog

The purchase price for one of these huge 120-pound dogs is around $ 800. This breed has many health concerns which will cost you around $ 6, 500.

German Shepherd

Known for their cleverness as a sheepherder, the price for one is around $ 800. Although they can live

for up to 13 years, their health care costs up to $20,500. What causes their health care to be so expensive is treating common health conditions.

21. What is important to a life length of a Kerry Blue Terrier?

A. Good care.

B. Enough food.

C. Proper exercise.

D. Daily companion.

22. What is special about German Shepherd?

A. It costs the most to care.

B. It is the cheapest to get.

C. It can live up to 15 years.

D. It is the strongest dog.

23. Which would you buy if you want to spend less than $ 7, 500, including health care cost?

A. Great Dane.

B. German Shepherd.

C. Kerry Blue Terrier.

D. Bernese Mountain Dog.

B

The western green mamba(绿曼巴蛇), a kind of snake, is between 5.9 feet and 10.5 feet long. This makes the western green mamba the second longest poisonous snake in Africa, with the black mamba being the first.

The western green mamba is, however, the most agile(敏捷的) snake in the mamba family. Their skin color is greenish yellow or live green, which helps them to hide in the environment. One other important feature of the snake is its long tail with a sharp point.

The western green mamba can be found in West Africa. They often live in rain forests. Being an arboreal species, these snakes spend most of their time moving among the tree tops. They are also used to moving on the ground and will commonly leave their trees to run after a potential meal on the ground. The western green mamba is mostly active in the daytime, but can also be seen hunting at night from time to time.

The diet of a western green mamba is made up of birds and all kinds of small animals such as squirrels, mice and even bats. These snakes can get close to their target with the help of their natural skin color. When they are close enough, they bite the target with poisonous teeth quickly. Once the target has died, the western green mamba will swallow it whole. If these snakes are faced with danger, they will try to run away. If they have no way to run away, however, they will become very aggressive and attack their enemies with their sharp teeth repeatedly.

The female western green mamba is the one who lay eggs. They will lay from 5 to 15 eggs. The young snakes are completely independent after birth. The mother and father play no part in raising the baby

snakes. The babies are born with everything they need to survive in the wilderness. If they can reach adulthood, then they will have almost no natural predators.

The western green mamba is not dying out. But its biggest threat comes from people and the damage they can bring to their homes. Hopefully, the western green mamba can continue to live alongside people and never have to worry that they will die out.

24. What do we know about the western green mamba ?

A. They are less poisonous than the black mamba.

B. Their skin colors help them hide from others.

C. They are usually seen looking for food at night

D. They are the longest poisonous snake in Africa .

25. The underlined word “arboreal” in Paragraph 3 probably means ________.

A. living in hotels

B. living in the water

C. living in the grass

D. living in trees

26. If a western green mamba has no way to escape, it will ________.

A. hide itself into the environment nearby

B. fight against the enemy bravely

C. change its natural skin color

D. swallow the enemy whole

27. Which of the following is TRUE about young snakes?

A. They can take care of each other.

B. They have no natural predators.

C. They don’t need their parents’ care after birth.

D. They lay from five to fifteen eggs at a time.

C

Data collected by the World Food Program shows that every year over 847 million people worldwide suffer from malnutrition and about 3.1 million children under the age of 5 die of starvation.

While dealing with world hunger is an important thing for scientists, it is not easy, considering natural resources. But thanks to new ideas like Livingbox, there may be some hope.

The Israeli scientists Nitzan Solan and Moti Cohen say Livingbox is an environment-friendly ecosystem made of some connected boxes to form a mini-farm. This means that the vegetables are grown in water instead of soil.

While professional farmers have been doing that for years, Livingbox is the first system built to gain

nutrients from common waste. Better yet, it can run without electricity and requires no farming skills to keep. This means that city people who cannot get fresh vegetables can use Livingbox to grow vegetables.

It is easy for all farmers to set up the boxes. Then they fill them with fresh water and add the required seeds. As soon as they add one or all three types of waste, the system will self-produce the nitrogen needed for the plants to take root.

Those that use fish waste have a double advantag e—they can cultivate both fish and vegetables at the same time. The fish can provide the waste needed for the plants to grow, while the plants naturally filter the water and help keep a clean home for the fish.

Once the vegetables are ready to pick, farmers simply harvest them and begin the cycle all over again. While the 15-square foot box provides enough vegetables for a family of four, it is easy to make a larger Livingbox in order to build larger farms.

The one thing that can prevent Livingbox from being used in developing countries is the cost. However, some businessmen with several non-profit organizations have promised to keep it affordable, so that poor people living in cities of developing countries can get the chance to eat nutritious food.

28. Why do scientists find it hard to solve world hunger?

A. Because it needs a lot of money to solve the problem.

B. Because there are too many people are starving in the world.

C. Because the population grows rapidly and there are not enough resources.

D. Because most of the natural resources have been damaged.

29. What do we know about Livingbox?

A. It is not harmful to the environment.

B. It is made of boxes filled with rich soil.

C. It requires electricity.

D. It requires farmers to learn some special skills.

30. Livingbox is designed to _________.

A. help developing countries become rich

B. get rid of the waste produced by animals

C. get clean water for people living in cities

D. let poor people living in cities get fresh vegetables

31. From the last two paragraphs, we can infer that __________.

A. farmers can use the boxes again

B. it will not cost much money to build Livingbox

C. Livingbox has been built by businessmen in the world

D. Livingbox has become popular in developing countries

D.

Women who own cats are more likely to have mental health problems and kill themselves because they can be infected by a common parasite that can be caught from cat litter, a study has found.

Researchers found women infected with the Toxoplasma gondii (T. gondii) parasite(刚地弓形虫), which is spread through contact with cat waste or eating undercooked meat or unwashed vegetables, are at increased risk of attempting suicide.

The study involved more than 45,000 women in Denmark. About a third of the world’s population is infected with the parasite, which hides in cells in the brain and muscles, often without producing symptoms. The infection, which is called toxoplasmosis(弓形虫病), has been linked to mental illness, such as schizophrenia(精神分裂症), and changes in behavior.

The study’s senior author Doctor Teodor Postolache, an associate professor of psychiatry(精神病学) at the University of Maryland School of Medicine in the United States, said, “We can’t say with certainty that T. gondii caused the women to try to kill themselves, but we did find a predictive association between the infection and suicide attempts later in life that deserves additional studies.”

Doctor Albert Reece, vice president of medical affairs at the University of Maryland, said, “T. gondii infec tion is a major public health problem around the world, and many people don’t realize they’re infected.

“Dr Postolache is a leading expert on suicide neuroimmunology(神经免疫学). Suicide is a critically important mental health issue. About one million people commit suicide and another 10 million attempt suicide worldwide each year. We hope that this type of research will one day help us find ways to save many lives that now end too early in suicide.”

Dr. Postolache’s research team at the University of Maryland w as the first to report a connection between T. gondii and suicidal behavior in 2009. He is cooperating with researchers in Denmark, Germany and Sweden to confirm and investigate the way leading to this association.

The T. gondii parasite thrives in the intestines of cats, and it is spread through their waste. All

warm-blooded animals can become infected through contact with it. Humans can become infected by changing their infected cats’ litter boxes, eating unwashed vegetables, drinking water from a pollute d source, or by eating undercooked or raw meat.

Not washing kitchen knives after preparing raw meat before handling another food item also can lead to infection. Pregnant women can pass the parasite directly to their unborn babies and are advised not to change cat litter boxes to avoid possible infection.

Babies don’t produce antibodies to T. gondii for three months after they are born, so the antibodies present in their blood represented infection in the mothers. The scientists studied Danish health patients to determine if any of these women later attempted suicide, including cases of violent suicide attempts which may have involved guns, sharp instruments and jumping from high places.

The study found that women infected with T. gondii were one and a half times more likely to attempt suicide compared to those who were not infected, and the risk seemed to rise with increasing levels of the T. gondii antibodies.

Dr. Postolache noted limitations to the study, such as the inability to determine the cause of the suicidal behavior.

The findings were published online in the Archives of General Psychiatry.

32. The common way which is more likely to be infected with the disease is _____.

A. to eat unwashed vegetables or undercooked meat

B. to clean a place where a cat once lived for a time

C. to pass the infection to her unborn baby during a woman’s pregnancy

D. to reuse kitchen tools which have been used to cut raw meat

33.What is the consequence if a woman is infected with the parasite in the passage?

A. Having a high fever.

B. Doing deliberate self-harm.

C. Keeping a depressed mood.

D. Becoming bad tempered.

34.What can be inferred from the passage?

A. Women have a higher risk to be infected by the parasite than men.

B. The result of the research may help the scientists to find ways to stop suicide in advance.

C. The scientists will continue their research into the possible connection.

D. The risk of being infected seems to rise with the decreasing levels of the antibodies.

35.Which of the following statements would probably be the best title of the passage?

A. Why are women more likely to commit suicide?

B. Women should keep away from cats.

C. Ways found to deal with women’s mental problems.

D. Are women who own cats at a suicide risk?

第二节(共5小题,每小题2.5分,满分12.5分)

阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。

The deepest friendship spans(跨越) time and space. (36)________. So we asked some people how they’ve managed to make their bonds unbreakable.

Honesty is always the best policy. Heather Hopkins credits her long-lasting friendship to her honesty. “Never be scared to tell your best friends how you are really feeling about any situation. (37)_______”

Just keep calling, even if there’s nothing to really say. Nicki Bandklayder’s 20+ year friendships are going strong because she’s always willing to get on the phone. “Pick up the phone! You don’t need a reason to call. This is what keeps some of my 20+ year friendships alive and strong. (38)________”

Just be a good listener. “My best friend in world is from freshman year in college,”shares Judy Gropen. “She says that it is because I actually listen to her, and I am shocked by how smart and kind she is and different from anyone I know.”

(39)_______ “My best friend Helen and I are going on 32 years, and we never call out the other person on being an absentee friend,” shares Angela Randall. “Life happens and when you are in different places and going through different things, just pick up where you both are.”

(40)_______ “It’s said that technology is destroying relationships, but there are few things as nice as being connected with you best friends since elementary school by an ongoing group text,”says Lauren Schwwartz Gamsey. “We are busy working mums across seven cities in three states, and we can still share everyday thoughts, big news, and silly stories as if we had never moved away from each other.

A. Turn technology to your advantage.

B. Sometimes one party forgets to be present, but that’s OK.

C. Now we each host a meal at our home throughout the year.

D. When you start needing a reason to call, you lose daily connection.

E. The keys to keeping a strong friendship often take a lifetime to learn.

F. All I need is homemade coffee and a speakerphone and it’s like we are together.

G. A true friend will always be grateful for honesty, even in the stickiest of situations.

第三部分语言运用(共两小节,满分30分)

第一节(共15小题,每小题1分,满分15分)

阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。

With the rise of social media in recent years, young people around the globe have easy access to shocking 41 about how we’re currently 42 to look after the Earth. Websites provide accessible information about 43 matters that quickly have millions of views, and links to new scientific information are easily 44 . But, it’s not just online research that uncovers the 45 , and it’s not a 46 threat either. Climate change is happening around us; our oceans are 30 percent more acidic(酸性的) and one and a half acres of forest are cut down every second.

Of course, just because 47 people are now readily armed with such information doesn’t mean all 48 will eagerly listen to them. Many 49 young activists simply due to their age, and others still aren’t willing to see the environmental 50 we face, but that doesn’t mean a 51 can’t be made.

In fact, there are some 52 to being a young environmentalist. A study on participants aged 16-24 in the UN climate negotiations showed that adults thought of younger activists as being 53 due to the lack of financial problems. Young activists not only aren’t 54 by busy schedules being forced on them, but they also have a simple-hearted view of what’s going on and , being 55 from politics, they often say what adults aren’t willing to.

41. A. comment B. information C. knowledge D. feeling

42. A. failing B. continuing C. managing D. stopping

43. A. financial B. political C. environmental D. technical

44. A. shared B. added C. included D. selected

45. A. secret B. history C. source D. truth

46. A. serious B. distant C. public D. common

47. A. strong B. smart C. young D. local

48. A. adults B. children C. scientists D. activists

49. A. wear down B. believe in C. know about D. write off

50. A. benefits B. protection C. challenges D. education

51. A. difference B. decision C. deal D. choice

52. A. advantages B. limits C. keys D. purposes

53. A. more friendly B. more trustworthy C. poorer D. busier

54. A. supported B. treated C. paid D. influenced

55. A. safe B. tired C. free D. absent

第二节(共10小题,每小题1.5分,满分15分)

阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

The ratio of overweight people (56)__________(participate) in a survey increased from 29% in 2012 to 31.5% in 2016, and the number of highly overweight people (57)________(rise) to 550,000, creating

(58)_________ serious headache for medical services. The increase of highly overweight people was

(59)__________(particular) sharp among those in their 20s. The numbers came from a study of physical examinations (60) __________(publish) by the Health Insurance Service.

According to the survey, the highly obesity(肥胖) rate among young people can be a result of their addiction (61)_________ salt intake and soft drinks from childhood. Eating too much salty food is considered as a main factor, (62)_________ leads to health problems. Besides, drinking soft drinks is also (63)_________(blame) because it makes people more likely (64)_________(gain) weight.

The result may affect the new lifestyle of those people. Cutting down on salt may be hard, (65)__________ repeated training to prefer less salty food is necessary. Start by adding half as much salt to your dinner as you normally do.

第四部分写作(共两节,满分40分)

第一节(满分15分)

假定你是李华,你市体育中心计划下周开设太极体验课,请你给你校外籍教师Bob写一封邮件,内容包括:

1.邀请他一同参加;

2.介绍课程信息、时间、地点和课程内容等;

3.期待回复。

注意:写作词数应为80左右。

Dear Bob,

______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________

____________________________________________

Yours

Li Hua

第二节(满分25分)

阅读下面材料,根据其内容和所给开头语续写两段,使之构成一篇完整的短文。

Once there lived a smart boy named Eric. He always topped every subject in his class. However, he had one shortcoming-he never respected others. He was very rude to everyone and made fun of those who got less marks than him.

“My dear, it is praiseworthy that you get good marks, but it is very bad to be a rude person,” advised his father.

Eric replied with pride, “Being the first in everything is enough to make everyone respect me.”

His father tried to explain, “If you don’t give respect to others, how will they give respect to you? As someone rightly said, ‘Give respect and take respect.’”

“Dad, I do not believe in such things,” replied Eric.

However, Eric gradually noticed that in his class no one wanted to sit with him, and even his friends started to ignore him.

A month passed, still none of his classmates agreed to sit with him or talked to him. He tried to console(安慰) himself with the thought that being a good student, he has the respect of his teachers.

But soon he realized that it was all a delusion(错觉).

At the end of the school year, his classmate Jacob (who got the second position in the class) was chosen as the best performer of the year. Eric was completely shocked.

“Sir, why did you choose Jacob as the best performer? I have scored the highest marks in every test!”Eric asked his class teacher rather rudely.

His teacher replied, “My dear, getting the first position doesn’t make a person and the best student of the class.. Though you always score the highest marks in the class, you don’t respect anyone.

Hearing this, Eric was on the verge of tears.

“My dear, I know who is the best. Jacob helps his classmates and he gives respect to them and as a reward he is given the respect back.”

When Eric arrived home that day, he looked very sad. His father saw him and realized something was wrong and asked, “What happened to you?”

注意:

1.续写词数应为150左右;

2.请按如下格式在相应的位置作答。

Eric told the whole story to his father.____________________________________________

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________ In the school that day, the first thing Eric did was to apologize to his class teacher and classmates?____________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ___________________________________________________

2020-2021学年第一学期高二年级期终考试

英语试题

1-20 BABCB / CBBBB/CAABA /CBACA

21-35 AAD /BDBC / CADA / BBCD

36-40 EGDBA

41-55 BACAD/BCADC/AABDC

56.participating 57.rose 58.a 59.particularly 60.published

61.to 62.which 63.to blame 64.to gain 65.but

Version

Dear Bob,

I’m writing to invite you to experience a tai chi class with me.

The sports center in our city is going to offer tai chi courses. A famous tai chi coach will give you instructions from 8 a.m. to 11 a. m. this Saturday , during which time he will also give a lecture as to the history of tai chi and the benefits it will bring.

I’m convinced it will be a fantastic chance for you to experience. So come with me! I’m looking forward to your reply.

Yours,

Li Hua

Eric told me the whole story to his father. “My dear, I used to tell you that if you don’t respect others, then you will never ever earn their respect. So give respect and receive respect,” his father reminded him. That night, Eric failed to sleep as h is teacher’s and father’s words were always swimming in his head. The next morning, he went to his father and said, “Dad, I promise I will make efforts to respect my elders, friends and classmates and I now understand no one likes those who are proud and rude.

In the school that day, the first thing Eric did was to apologize to his class teacher and classmates. He felt very sorry for the disrespect he had always shown them and promised that he would never do so again. His classmates were all delighted to see the

change in him, as was his class teacher, who was also satisfied to see Eric speaking so sweetly and humbly to others. All the classmates hugged him and said, “Welcome back Eric! We would love to be your friend again.” Eric excitedly replied, “ I am so happy and I love you all, too! From today our friendships will never break.

2021年江苏省盐城市大丰区第一共同体中考化学一模试卷

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B.铁丝在氧气中燃烧:银白色固体剧烈燃烧,火星四射,放出大量的热,生成黑色固体 C.电解水实验:两个电极附近产生气泡,一段时间后,正、负极产生的气体体积比约为2:1 D.铜片放入硝酸银溶液中:紫红色固体表面有银白色固体产生,溶液由蓝色逐渐变为无色 7.(2分)硒是人体必需的微量元素,被誉为“抗癌大王”.根据如图提供的硒的有关信息,下列说法中正确的是() A.硒属于金属元素 B.硒的原子核内有34个中子 C.硒原子在化学反应中易得电子 D.硒的相对原子质量是78.96g 8.(2分)某溶液由盐酸、硫酸、硫酸铜、氯化铜几种溶液中的两种混合而成,向该混合液中滴加Ba(OH)2溶液的体积与生成沉淀质量的关系如图所示,则该混合液中含有() A.HCl、H2SO4B.H2SO4、CuCl2 C.HCl、CuCl2D.H2SO4、CuSO4 9.(2分)我们学习过以下常见的酸、碱、盐:HCl、H2SO4、NaOH、Ca(OH)2、Na2CO3、NaCl,请你整理归纳,这六种物质两两相互作用能发生化学反应共有() A.7个B.6个C.5个D.4个 10.(2分)如图是甲、乙两种固体物质在水中的溶解度曲线,下列说法不正确的是()

大丰基本概况

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2019年最新题库 江苏省盐城市第一中学学年度第一学期期末考试高一年级化学试卷

盐城市第一中学第一学期期末考试 高一年级化学学科试卷 命题人:丁俊宽曹松卷面总分:100分考试时间:90分钟 可能用到的相对原子质量H:1 C:12 N:14 O:16 Na:23 Al:27 S:32 Cl :35.5 Ca:40 Fe:56 Cu:64 第I卷(选择题共35分) 一、选择题(共10小题,每题2分,每小题只有 ......,共计20分。) ..一个正确答案 1、科学家最近发现2种粒子:第1种是只由四个中子构成的粒子,这种粒子称为“四中子”,也有人 称之为“零号元素”;第2种是由四个氧原子构成的分子。下列有关这两种粒子的说法不正确 ...的是:( ) A、“四中子”不显电性 B、“四中子”的质量数为4 C、第2种粒子是氧元素的另一种同位素 D、第2种粒子的化学式为O4 2、下列实验操作中,正确的是() A、配制5%NaCl溶液时,将称量的NaCl放入烧杯中加计量的水搅拌溶解 B、配制1mol·L-1NaOH溶液时,将溶解后的NaOH溶液立即注入容量瓶 C、配制0.1mol/L的H2SO4溶液时,将量取的浓H2SO4放入容量瓶中加水稀释 D、分液操作时,先将分液漏斗中的下层液体放出,然后再将上层液体放出 3、下列关于铷的叙述中,不正确 ...的是() A、原子半径比钾的大 B、碳酸铷加热易分解为氧化铷和二氧化碳 C、氯化铷属于离子化合物 D、铷的盐类大多易溶于水 4、金属钠长期露置于空气中,最后变为() A、Na2O B、Na2O2 C、NaOH D、Na2CO3 5、两份铝片,第一份与足量盐酸反应,第二份与足量烧碱溶液反应,同温、同压下放出气体的体积 比为1:2,则两份铝片的质量之比为() A、1:1 B、2:3 C、3:2 D、1:2 6、由一氧化碳和另一种气体组成的混合气体的含氧质量分数为50%,则另一种气体可能是() A、N2O B、CO2 C、NO2 D、NO 7、现有钠、镁、铝质量分别为2.3g、2.4g、2.7g,使其分别与含HCl为18.25%的盐酸溶液10g充分反应后,所得H2的质量关系正确的是() A、氢气质量相同 B、铝放出氢气最多,钠最少 C、钠放出氢气最多,铝最少 D、钠放出氢气最多,镁铝相同 8、Cl2和SO2都具有漂白作用,若将等物质的量的这两种气体混合后通入品红和BaCl2的混合

江苏省盐城市大丰市万盈第二中学2020学年八年级英语下学期第8周周末作业(无答案) 牛津版

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