第二十一单元检测A

1、第二十一单元检测(A)(时间:120分钟满分:150分)第卷第一部分听力(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。M:PE is part of the College Entrance Examination this year.In other words, you will have to be strong and healthy to graduate.W:In tha

2、t case, I will have to take exercise at least three times every week.1How often is the woman going to take exercise?A.Once a week.B.Twice a week.C.Three times a week.答案:CW:I still havent received my score on the final test.Maybe I should call to check on it.M:Dont worry.It takes two weeks to receive

3、 your score.2Whats the woman anxious to know about?A.Her test time.B.Her score.C.Her telephone number.答案:BM:I want to buy two tickets for tomorrows fashion show.W:Where would you like to sit, in the front or back of the hall?3Where does the conversation probably take place?A.In the hall.B.At the fas

4、hion show.C.In the booking office.答案:CM:We need a fourth player for tennis this morning.Do you want to join us?W:Ive got a class at 9 a.m.But Carol is free and she is really good at tennis.4Who will be a fourth player?A.Carol.B.The man.C.The woman.答案:AM:Have Thomas and Lily set a date for leaving?W:

5、No, they havent.But Thomas said theyd like to leave next Monday or Tuesday.M:Id like to see them off at the airport.Will you go with me?W:Sure.5What will the speakers do?A.Set a date for their appointment.B.Go and see their friends off.C.Leave for a new place.答案:B第二节(共15小题;每小题1.5分,满分22.5分)听下面5段对话或独白

6、。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至8题。M:Hello.W:Hello.Have you found a house for me?M:Yes, I have a big house to show you.Its only $200, 000.W:Oh.Thats too expensive for me.M:Well, I have another one on Bank S

7、treet.W:How much is it?M:Its only $86, 000.But it only has one bedroom.W:Oh.Thats not big enough.I need a house with two bedrooms.M:Ill come some other time.W:Thanks anyway.6What did the woman ask the man to do for her?A.Look for a house.B.Rent a house.C.Sell a house.答案:A7How does the woman think of

8、 the first house?A.Too expensive.B.Too big.C.Too small.答案:A8Why does the woman dislike the second house?A.Its too far.B.Its too expensive.C.Its not big enough.答案:C听第7段材料, 回答第9至11题。W:Excuse me, are you in a hurry?M:Well.Were having a performance in about ten minutes and Im late.I usually walk but its

9、 raining, so I have to take a taxi.W:What did you do before you became a clown?M:I taught music in a middle school.W:Do you like your job?M:Yes, very much.I like to see people laugh.W:What do you have to do to make people laugh?M:I have to think of all sorts of funny actions and expressions but Im g

10、ood at doing that and people especially children like me.W:I know that.I wish you success tonight.9What are the speakers talking about?A.The mans job.B.The womans job.C.The weather.答案:A10Why is the man in such a hurry?A.To see a performance.B.To have a performance.C.To have a music class.答案:B11How d

11、oes the man make people laugh?A.Using actions and expressions.B.Using words.C.Using instruments.答案:A听第8段材料, 回答第12至14题。M:Anna? Anna?W:Peter? Is that you?M:Yeah.What a surprise!W:Its been a long time.M:I know.Its been.What? Five years?W:Five years.Oh my gosh.I cant believe it!M:I know.Its incredible.W

12、hat happened to you?W:Well, I just got a job at a publishing company.M:Great.What do you do?W:Im an assistant editor.Im working on three book projects.Its so great.M:Wow.Sounds busy.W:Yeah.Can you remember me in high school? I didnt like to be busy, just liked to have a lot of free time, and be with

13、 my friends.But now I sort of like being busy.M:Wow, thats a change.So are you shopping? Spending a lot of money?W:No, Im just looking around.I dont spend a lot of money on clothes.M:I know what you mean.I dont either.Im so glad to see you again.Well, take care, Anna.W:Wait.Im just about to have lun

14、ch.Want to come along?M:Sure.That would be great.12How long havent the speakers seen each other?A.Five months.B.Five years.C.Four years.答案:B13Where does the woman work?A.In a bookstore.B.In a clothing shop.C.At a publishing company.答案:C14What will the speakers do next?A.Have lunch.B.Go to work.C.Go

15、shopping.答案:A听第9段材料, 回答第15至17题。W:Hi, Bill, can you tell me how it happened?M:Sure.I was mountain climbing in New Hampshire last year.Suddenly the weather became really bad.There was a lot of snow and we couldnt see anything.We got lost.Well, we spent four days on the mountain.The temperature was 20

16、degrees below zero.We didnt have any equipment or food.W:So what happened? I guess someone found you, right?M:Yes, but we were very sick.I couldnt move my legs because of the cold.I spent two months in the hospital.The doctors removed my legs.W:So you lost your legs, but you want to try your best to

17、 stay active.M:Thats right.In fact, I decided to make some new legs for myself.I realize that no one has to be physically disabled.We can use modern technology to help us.W:And you built these great new legs.Can you go mountain climbing again?M:Yes, I can.In fact, these are better than climbing shoe

18、s.The spring design means they are much more powerful.15What happened when the man was mountain climbing?A.He got trapped in a cave.B.He lost his equipment and food.C.He got lost in bad weather.答案:C16What caused the loss of the mans legs?A.A bad fall in the mountain.B.Low temperature.C.An unsuccessf

19、ul operation.答案:B17What did the man decide to do after losing his legs?A.Use technology to fight his disability.B.Set up a club for the disabled.C.Design new climbing shoes.答案:A听第10段材料, 回答第18至20题。Im honored to be a judge for the English Speech Competition.As a judge and college teacher, Id like to s

20、hare with you some tips on how to be successful in the competition, which I hope will help in preparing for the competition.First, its better to use familiar words.Many competitors hold the belief that complicated words sound impressive.In fact they usually destroy understanding.Also, learning when

21、and how to pause is not only a major challenge, but also important as one gains more confidence during these moments of silence.One thing I want to mention is that during these pauses, do not fill the silence with “uh” “er” or “um”.They are annoying.Next, remember to strike the right balance between

22、 good pronunciation and fluency.Pronunciation is more important.Remember, personal appearance plays an important role in making a speech.Judges always see the competitors before they begin to speak.My main advice is simple:be yourself.My last advice to you is that practice makes perfect.In conclusio

23、n, I wish every one of you success in the competition.18When does the speech take place?A.Before the speech competition.B.After the speech competition.C.During the speech competition.答案:A19What is the speaker?A.A judge and organizer.B.A college teacher and judge.C.A college teacher and competitor.答案

24、:B20What is many competitors wrong belief?A.Familiar words destroy understanding.B.Complicated words destroy understanding.C.Complicated words sound impressive.答案:C第二部分阅读理解(共两节,满分40分)第一节(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。ANo one knows why we sleep, but its certain that we need to.

25、People who are prevented from sleeping begin to suffer obvious effects after a few daysthey think less clearly, and they fall asleep during the working hours; some may have hallucinations(幻觉).There are no rules about sleep.Generally speaking, grown-ups sleep about seven and a half hours each night a

26、nd probably more than sixty percent get between seven and eight hours.But perhaps eight percent are quite happy with five hours or less, and four percent or so find that they want ten hours or more.If you feel all right, youre probably getting enough sleep.The important thing is not to worry how muc

27、h other people gettheir needs may be different.Exercise doesnt seem to increase the need for sleepoffice workers, for example, sleep for about as long as people doing physically active work.Children sleep more than grown-upsperhaps fourteen to eighteen hours soon after birth, going down to grown-up

28、levels by early teenage.Sleep patterns also tend to be different in the elderly, who may sleep less at night than they did when younger, find sleep getting more broken, and often make it a rule to sleep during the daytime.21According to the passage, some people are unable to think clearly because .&

29、#160;A.they have hallucinationsB.they feel sleepy during the working hours C.they dont have enough sleepD.they are certain to be kept from going to bed解析:A、B两项是睡眠不足的结果而不是导致人们思维不清的主要原因,故A、B项错误。D项也不能说明原因。由第二段我们知道,睡眠不足是引起人们思维混乱的根本原因。答案:C22Which of the following is TRUE?A.All grown-ups must have at leas

30、t eight-hour sleep.B.Most grown-ups sleep for seven or eight hours each night.C.Quite a few people need only five hours or less for them to sleep.D.No grown-ups sleep more than ten hours.解析:短文的第二段有交代:60%以上的成年人大约睡78个小时。答案:B23Whether you have got enough sleep is judged by . A.how many hours you h

31、ave sleptB.how many hours you need to sleepC.whether you do exercise and physical workD.whether you feel fresh and energetic解析:判断人们是否得到足够的睡眠,不是根据睡眠时间的长短,而是人们是否精神焕发地去从事一天的工作与学习。答案:D24According to the passage, a boy of 14 years old is most likely to sleep . A.as long as a grown-upB.much longer th

32、an a grown-upC.for fourteen hours each nightD.for less than eight hours per night解析:14岁的男孩子属于early teenage。从第三段第一句“.going down to grown-up levels by early teenage.”可知他们的睡眠时间与成人相同。答案:ABMany animals recognize their food because they see it.So do humans.When you see an apple or a piece of chocolate, yo

33、u know that these are things you can eat.You can also use other senses when you choose your food.You may like it because it smells good or because it tastes good.You may dislike some types of food because they do not look, smell or taste very nice.Different animals use different senses to find and c

34、hoose their food.A few animals depend on only one of their senses, while most animals use more than one sense.Although there are many different types of food, some animals spend their lives eating only one type.The panda eats only one particular type of bamboo.Other animals eat only one type of food

35、 even when given the choice.A kind of white butterfly will stay on the leaves of a cabbage, even though there are plenty of other vegetables in the garden.However, most animals have a more varied(多样的) diet.The bear eats fruits, honey(蜂蜜) and fish.The fox eats small animals, birds and fruits.The diet

36、 of these animals will be different depending on the season.Humans have a very varied diet.We often eat food because we like it and not because it is good for us.In countries such as France and Britain, people eat food with too much sugar.This makes them overweight, which is bad for their health.Eat

37、ing too much red meat and animal products, such as butter, can also be bad for the health.Choosing the right food, therefore, has become an area of study in modern life.25We can infer from the passage that humans and animals . A.depend on one sense when choosing foodB.are not satisfied with the

38、ir foodC.choose food in similar waysD.eat entirely different food解析:由第一段内容可知人和动物在选择食物上有许多相似之处。答案:C26Which of the following eats only one type of food?A.The white butterfly.B.The small bird.C.The bear.D.The fox.解析:由第二段的描述可知A项正确。答案:A27Certain animals change their choice of food when . A.the seaso

39、n changesB.the food colour changes C.they move to different placesD.they are attracted by different smells解析:由第二段最后一句话“The diet of these animals will be different depending on the season.”可知答案为A项。答案:A28We can learn from the last paragraph that . A.food is chosen for a good reasonB.the French an

40、d British food is goodC.some people have few choices of foodD.some people care little about healthy diet解析:最后一段主要讲人们经常吃自己喜欢的食物,而不会太在意饮食健康问题。答案:DCEver think you might have an adopted twin somewhere? Its a fairly common childhood fantasy.But for two little girls adopted from China two years ago, the f

41、antasy turned out to be true.Their new moms, who live in Illinois and Florida, met on an Internet site for parents who have adopted children in China.When they realized that their daughters, now 3, had come from the same orphanage, they began comparing photos and other information.That led to geneti

42、c tests that confirmed their suspicion:the girls are twins.Whats more, both were named Mia by their new parents.“Its a miracle,” said Holly Funk, one of the moms.“In the sea of humanity, these kids found each other.”The girls had been abandoned on a sidewalk in Yangzhou about a week apart.When they

43、were reunited in Illinois two weeks ago, they shyly eyed each other, and then reached for the others hand.The two families plan on lots of visits in the coming years.About 120,000 kids are adopted in the United States each year.Nearly 8,000 Chinese children were adopted by Americans in 2019, accordi

44、ng to U.S.officials.29Which of the following can possibly be the title of the passage?A.Two American MomsB.Children Adopted by AmericansC.Havent I Seen You BeforeD.Abandoned Chinese Twins解析:文章讲述的是被分别收养的双胞胎奇迹般地再次相聚的故事。C项不仅符合文章内容,而且生动有趣,故C项为最佳选项。答案:C30The moms did all the following EXCEPT . A.com

45、paring photos and other informationB.doing genetic testsC.meeting on the InternetD.getting the twins reunited in Illinois解析:根据第三段中“met on an Internet site”与“comparing photos and other information”可知A、C两项正确;根据第三段最后一句以及常识可以判断B项不可能是她们两个自己做的,因此答案为B项。答案:B31The underlined word “That” in Paragraph 3 refers

46、 to . A.childhood fantasyB.the moms suspicionC.an Internet siteD.the comparison of photos and other information解析:that在此处是代词,用来代替上文提到的“.they began comparing photos and other information.”。答案:D32Which of the following statements is NOT TRUE? A.The twins will pay more visits to each other in the

47、coming years.B.Its quite by chance that the two girls found each other.C.Nearly 7% of all the kids adopted in the U.S.are from China.D.The two girls were adopted two years ago.解析:根据倒数第二段可知A项正确;根据第二段以及文中“Its a miracle”可知B项正确;根据第二段中的“adopted from China two years ago”可知D项正确;根据最后一段中的“About 120,000 kids

48、are adopted in the United States each year.Nearly 8,000 Chinese children were adopted by Americans in 2019.”可知C项不正确。答案:CDThe Diet Zone:A Dangerous PlaceDiet Coke, diet Pepsi, diet pills, no-fat diet, vegetable diet.We are surrounded by the word “diet” everywhere we look and listen.We have so easily

49、been attracted by the promise and potential of diet products that we have stopped thinking about what diet products are doing to us.We are paying for products that harm us psychologically and physically.Diet products significantly weaken us psychologically.On one level, we are not allowing our brain

50、s to admit that our weight problems lie not in actually losing weight, but in controlling the consumption of fatty, high-calorie, unhealthy foods.Diet products allow us to jump over the thinking stage and go straight for the scale(秤) instead.All we have to do is to swallow or recognize the word “die

51、t” in food labels.On another level, diet products have greater psychological effects.Every time we have a zero-calorie drink, we are telling ourselves without our awareness that we dont have to work to get results.Diet products make people believe that gain comes without pain,and that life can be wi

52、thout resistance and struggle. The danger of diet products lies not only in the psychological effects they have on us, but also in the physical harm that they cause.Diet foods can indirectly harm our bodies because consuming them instead of healthy foods means we are preventing our bodies from

53、having basic nutrients(营养成分).Diet foods and diet pills contain zero-calorie only because the diet industry has created chemicals to produce these wonder products.Diet products may not be nutritional, and the chemicals that go into diet products are potentially dangerous.Now that we are aware of the

54、effects that diet products have on us, it is time to seriously think about buying them.Losing weight lies in the power of minds, not in the power of chemicals.Once we realize this, we will be much better able to resist diet products, and therefore prevent the psychological and physical harm that com

55、es from using them.33From Paragraph 1, we learn that . A.diet products fail to bring out peoples potentialB.people have difficulty in choosing diet products C.diet products are misleading peopleD.people are fed up with diet products解析:从第一段“We are paying for products that harm us psychologically

56、 and physically.” 可知我们正为对我们造成身体上和心理上的伤害的食品买单。答案:C34In Paragraph 3, “gain comes without pain” probably means . A.losing weight is effortlessB.it costs a lot to lose weightC.diet products bring no painD.diet products are free from calories解析:从上句“.we dont have to work to get results.”可推知答案为A项。gain

57、 comes without pain“不劳而获”。答案:A35Diet products indirectly harm people physically because such products . A.are over-consumedB.lack basic nutrientsC.are short of chemicalsD.provide too much energy解析:从第四段第二句“Diet foods can indirectly harm our bodies because consuming them instead of healthy foods means we are preventing our bodies from having basic nutrients.”可知答案为B项。答案:B第二节(共5小题;每小题2分,满分10分)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。Public Speaking TrainingGet a coach36.,so get help.Since there are about a billion companies out there all