try : 测试 ; 试验 ; 查看更多

 

题目列表(包括答案和解析)

It was a busy morning, about 8:30, when an elderly gentleman in his 80s came to the hospital. I heard him saying to the nurse that he was in hurry for an appointment(约会) at9:30.

The nurse had him take a  1  in the waiting area,   2 him it would be at least 40 minutes   3  someone would be able to see him. I saw him   4 his watch and decided, since I was   5 busy?my patient didn’t   6  at the appointed hour. I would examine his wound. While taking care of his wound, I asked him if he had another doctor’s appointment.

The gentleman said no and told me hat he   7  to go to the nursing home to eat breakfast with his   8 . He told me that she had been  9 for a while and that she had a special disease. I asked if she would be   10 if he was a bit late. H replied that she  11 knew who he was, that she had not been able to  12  him for five years now. I was 13 , and asked him, “And you  14 go every morning, even though she doesn’t know who you are?”

He smiled and said, “She doesn’t know me, but I know who she is.” I had to hold back  15  as he left.

Now I  16 that in marriages, true love is   17 if all that is. The happiest people don’t  18 have the best of everything; they just  19 the best of everything they have.  20  isn’t about how to live through the storm, but how to dance in the rain.

1. A. breath      B. test(测试)      C. seat       D. break

2. A. persuading   B. promising       C. understanding D. telling

3. A. if         B. before         C. since      D. after

4. A. taking off     B. fixing          C. looking at     D. winding

5. A. very     B. also          C. seldom     D. not

6. A. turn up    B. show off        C. come on     D. go away

7. A. needed    B. forgot    C. agreed       D. happened

8. A. daughter     B. wife              C. mother     D. sister

9. A. late    B. well           C. around    D. there

10.A. lonely     B. worried        C. doubtful     D. hungry

11.A. so far      B. neither        C. no longer       D. already

12.A. recognize   B. answer           C. believe        D. expect

13.A. moved      B. disappointed     C. surprised       D. satisfied

14.A. only(仅仅)    B. then          C. thus      D. still

15.A. curiosity   B. tears     C. words      D. judgment

16.A. realize      B. suggest       C. hope      D. prove

17.A. agreement     B. expression      C. acceptance  D. exhibition

18.A. necessarily    B. completely      C. naturally     D. frequently

19.A. learn     B. make         C. favor      D. try

20.A. Adventure   B. Beauty       C. Trust    D. Life

查看答案和解析>>

完形填空

 If you are planning to go into higher education, perhaps even to  1  at a British university or to become a translator  2  interpreter, you will find that the Cambridge Certificate in Advanced English (CAE)(剑桥高级英语证书)is a  3  requirement, and that sometimes Cambridge Proficiency (CP)(剑桥水平测试)is  4  The best advice is to write  5  any employers or colleges you are  6  in and ask them which exams they  7  

 A lot will also  8  on your own level of EnglishYou may know  9  experienced teacher who will be  10  to advise you; but, if  11  , the next best thing is to go to a  12  or library and look at some of the  13  tests which are published with each exam  14  some of the exercises and then  15  your answers with the key in the  16  of the bookIn order to have a chance of  17  the exam, you will need to get about half the answers  18  And don't forget that the exam  19  includes speaking and listening tests,  20  don't just rely on the results of reading and grammar tests

                                                                                                                                                                                                                                                                                                           

(1) Ateach

Bstudy

Cwork

Dstay

[  ]

(2) Aand

Binstead

Cor

Dnot

[  ]

(3) Abasic

Bstrict

Cfair

Dseparate

[  ]

(4) Aincluded

Bneeded

Cdesigned

Dforced

[  ]

(5) Awith

Babout

Cfor

Dto

[  ]

(6) Ainterested

Bkeen

Cfond

Dready

[  ]

(7) Aoffer

Bprovide

Caccept

Dreceive

[  ]

(8) Ago

Bdepend

Ccall

Dlive

[  ]

(9) Acertain

Bother

Ca

Dan

[  ]

(10)Aable

Bpossible

Ccapable

Dafraid

[  ]

(11)Anot

Bno

Cso

Dlucky

[  ]

(12)Astadium

  

BTheatre

  

  Ccollege

  

DBookshop

  

[  ]

  

(13)Aeasy

Bpractice

Csecret

Ddifficult

[  ]

(14)ATry

BManage

CSucceed

DBuy

[  ]

(15)Amark

Bscore

Ccompare

Dcheck

[  ]

(16)Afront

Bcentre

Cside

Dback

[  ]

(17)Aseeing

Bpassing

Cfailing

Dsharing

[  ]

(18)Aright

Bwrong

Cdone

Dfinished

[  ]

(19)Atoo

Bbesides

Calso

Dnever

[  ]

(20)Abecause

Bhowever

Cotherwise

Dso

[  ]

查看答案和解析>>

听力测试(满分30分)

第一节

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。

W:Do you need any help, sir?

M:Yes.Would you like to tell me the way to the Science Museum?

W:Science Museum?

1.What does the woman mean?

A.She is unwilling to tell the man.

B.She knows the place well.

C.She doesn’t know the place.

M:Sorry to bother you, but do you have any change for one dollar?

W:I’ll have to look.What do you want it for?

M:I need it for the parking meter.

W:I can give you 4 quarters if that’ll help.

2.What is the man going to do with the change?

A.To park his car.

B.To make a phone call.

C.To buy something to eat.

W:Here is a picture of Susan taken last week.

M:May I have a look?

W:Sure.It flatters Susan a bit.She is not so pretty actually.

M:No, by no means, and she doesn’t look so young as she appears on

the picture.

3.What does the man think of Susan?

A.She is prettier and younger.

B.She is less pretty but younger.

C.She is less pretty and older.

M:Mom, Dad called and said that he wouldn’t be home for dinner.

W:Did he say why?

M:Yes, he said that one of the men was sick and he was going to stay

for the afternoon shift.

4.Why won’t the man’s father be home for dinner?

A.To look after a sick person.

B.To take the place of someone.

C.To have dinner in the afternoon.

W:Kate, let’s go for a drive somewhere this weekend.

M:That’s a good idea.Just the two of us!

W:I thought that the whole family could go together.

M:I’m afraid that the kids can’t.Jenny is staying at the university this

weekend to study.Peter and Linda going on a trip this weekend with

their school.

5.What is the relation between the speakers?

A.Couple.

B.Friends.

C.Partners.

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。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。

“Are we poisonous?” the young snake asked his mother.

“Yes, dear, ” she replied.“Why do you ask?”

“Because I’ve just bitten my tongue!” said the young snake sadly.

6.How was the mother snake feeling when asked the question?

A.Puzzled.

B.Interested.

C.Disappointed.

7.Which frightens the young snake?

A.He is poisonous.

B.He is going to die.

C.He has lost his tongue.

听第7段材料,回答第8~10题。

W:What are your plans for today, Mike? Nick and I are going shopping.Do you want to come too?

M:Well, as a matter of fact, I’m meeting Steve.He’s writing an article

and he’s asked me to take some photographs for it.

W:An article? What about?

M:Oh, just people…Anyway, I’m seeing Steve at the zoo.

W:Oh well, let’s meet for lunch, shall we? How about that sandwich bar we went to on Friday.I’ll see you there about one.

M:I’d love to, but I’m afraid we won’t finish by then.

8.What photos does Steve want?

A.Showing that he is writing.

B.Matching what he is writing.

C.Reflecting(反映)how he is writing.

9.When will Mike join Steve?

A.In the morning.

B.In the afternoon.

C.In the evening.

10.Which of the following might Mike do?

A.Go shopping with the woman.

B.Have lunch with Nick Friday.

C.Work over lunchtime.

听第8段材料,回答第11~13题。

W:The weather here is so changeable.Did you hear how cold it got last night?

M:I heard the radio announcer say it was 18 degrees below zero.

W:That’s cold.I could hardly start my car, it was so cold this morning!

M:My car didn’t want to start, either, at first.

W:Don’t you have a garage?

M:Not in the new apartment.We have to leave the car in the parking lot.

W:How much anti-freeze do you put in your car then? You must have to keep it well below zero.

M:I do.Right now I have it protected to 30 below.

W:Does it ever get that cold around here?

M:Not really.It sometimes gets to 20 below.

W:Speaking of cold, how about going for a cup of coffee to warm up?

M:Good idea.

11.What did the man do with his car?

A.He failed to start it.

B.He managed to start it.

C.He could easily start it.

12.What do you know about the man?

A.He preferred to leave his car outside.

B.He was too poor to get a garage.

C.He had recently moved his house.

13.What was the weather like last night?

A.It was colder than the day before.

B.It was colder than ever before.

C.It was warmer than reported.

听第9段材料,回答第14~16题。

W:Hello, Ultimate Computers.May I help you?

M:Yes, this is Jack Kordell from Hunter’s Office Supplies.May I speak to Elaine Strong, please?

W:I’m sorry, but she’s not in right now.She should be here later on this afternoon maybe about 4∶30.May I take a message?

M:Yes.Ms Strong sent me your newest line of laptop computers with a description of other software products, but there wasn’t any information about after-sales service.

W:Oh, I’m sorry.Would you like me to fax that to you?

M:Yes.Could you try sending that information around 3∶30?That should give me time to look over the material before I call Ms.Strong, say, around 5∶00.

W:Sure.Could I have your name, telephone number, and fax number, please?

M:Yes.Jack Kordell and the phone number is 560-1287.And the fax number is 560-1288.

W:All right.I’ll be sure to send you the fax this afternoon.

M:Okay, bye.

14.Why can’t Elaine Strong answer the phone?

A.She’s attending a meeting.

B.She’s out of the office.

C.She’s talking with another customer.

15.What does the man want the woman to send?

A.Information on after-sales service.

B.A picture of the newest computers.

C.A list of software products.

16.What is the man’s telephone number?

A.560-1287.

B.560-1288.

C.560-2187.

听第10段材料,回答第17~20题。

  Mother’s Day is celebrated in many countries around the world, but not always on the same day.

  Mother’s Day as it is celebrated today in the United States began with a woman named Anna Jarvis.In 1907, she held a ceremony to honor her mother at a church in the state of West Virginia on the anniversary of her mother’s death.In the following years, she and others wrote thousands of letters to public officials urging that the second Sunday in May be declared Mother’s Day.

  President Woodrow Wilson finally agreed seven years later.The second Sunday in May became a day of public expression of love for mothers throughout the country.It became popular for people to send gifts of flowers and candy to their mothers on Mother’s Day.

  Today, children of all ages still give their mothers special gifts on Mother’s Day.Older children may travel to visit their mothers.If they cannot, they usually send a special card with a message of love.Or they send flowers.They also usually call their mothers on the telephone to wish them a happy day.Mother’s Day is one of the busiest days of the year for America’s telephone companies.

  Some families get together on Mother’s Day to honor all the women in the family who are mothers.Many go to a restaurant for a special Mother’s Day meal.

17.What do you learn about Mother’s Day?

A.It is celebrated now in every part of the world.

B.It is not celebrated on the 2nd Sunday in May everywhere.

C.It is celebrated to honor all the women in some families.

18.When was Mother’s Day first celebrated in the US?

A.In 1907.

B.In 1908.

C.In 1914.

19.Who decided Mother’s Day to be celebrated nationwide?

A.Anna Jarvis.

B.Public officials.

C.Woodrow Wilson.

20.What do all the children do on Mother’s Day?

A.Give gifts to their mothers.

B.Pay a visit to their mothers.

C.Send cards to their mothers.

查看答案和解析>>

听力测试(共20小题;每小题1.5分,满分30分)

第一节

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,并标在试卷相应的位置。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。

W:What about those in England?

M:The fifty-pence’s the biggest, and the half-penny is the smallest.

W:Really? In America, the biggest is the fifty-cents, and the smallest is the cent.

1.What are the speakers doing?

A.Comparing goods.

B.Doing shopping.

C.Talking about coins.

M:This meat is like old leather! It’s enough to break every tooth in your head.

W:Perhaps you’d like to change your order, sir.The fish is very tender.

2.How does the man feel?

A.Unsatisfied.

B.Impatient.

C.Pleased.

M:Tomorrow is the tenth of June.It’s my birthday and I’m going to the George and Dragon.Would you like to come?

W:To celebrate your birthday? Of course I would.What group’s playing?

M:The Red Rose, I think.

3.What is the woman interested in?

A.The man.

B.The party.

C.The band.

W:Why are you so late?

M:My alarm clock failed to work again.

4.Why is the man late?

A.He could not walk fast.

B.He slept late last night.

C.His clock was out of order.

M:Where’s the book about cars I was reading last night? I laid it down on the table, and now it’s gone.

W:I don’t know.I cleaned early this morning and I don’t remember where I put it.

5.What is the man looking for?

A.A book about cards.

B.A book about furniture.

C.A book about cars.

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。听每段对话或独白前,你将有时间阅读各小题,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6~8题。

M:Why aren’t you doing your homework?

W:I’ll do it later, Dad.I must get these things right first.Our group’s playing in a concert on Saturday.

M:Oh, is it? You’ll be making records next, will you?

W:We hope so.The man from “Dream Discs” is coming to the concert.So I’d better play well.

M:You’d better get on with your homework! You can practise the guitar all day Saturday.

W:Oh, Dad, you don’t understand at all.This concert could change my life.

M:It certainly could! You’ve got exams next month.Important ones.If you don’t pass them, you won’t get a good job.

W:I don’t want a boring old job in a bank.

M:Oh, don’t you? Whose boring old job paid for this house? And for what?

W:Yours, I know.But I’d rather be happy than rich.

6.What is the girl doing now?

A.Repairing a guitar.

B.Practising the guitar.

C.Preparing for making records.

7.What does the girl expect?

A.To be chosen by a band.

B.To pass the coming exams.

C.To get a job in a bank.

8.What is the man?

A.A school teacher.

B.A guitar player.

C.A bank clerk.

听第7段材料,回答第9~11题。

W:Hello?1523852.

M:Hello, may I speak to Anna?

W:I’m afraid Anna isn’t in.

M:Is that Tracy speaking?

W:No, this is Jane.

M:Oh, I’m sorry…er…well, could you please leave Anna a message for me?

W:Sure, what is it?

M:Well, I’ll meet Anna for lunch at my home.Would you ask her to see if she has my French dictionary? And if she does, tell her to bring it along.

W:All right.And where are you calling from?

M:My home.I’m Anna’s friend, Pat.

W:Thank you for calling, Pat.

M:And thank you, Jane.

9.Where is Pat calling from?

A.His home.

B.His school.

C.His office.

10.Who does Pat want to call?

A.Tracy.

B.His friend Anna.

C.Tracy and Anna.

11.Why can’t Pat speak to Anna now?

A.Because Anna is at work.

B.Because Anna is out for lunch.

C.Because Anna is not at home.

听第8段材料,回答第12~14题。

W:Good evening, sir.I’m Assistant Manager.I’m afraid we’ve had a complaint about the noise from your neighbour who’s trying to get some sleep.

M:Oh, I see.

W:Could you please ask your friends to be a little quieter so that our guests can get a good night’s sleep?

M:Oh, I’m so sorry.I suppose we were talking rather loudly.We won an important prize.We were having a celebration.

W:I’m pleased to hear it.Shall I have some coffee brought to you?

M:No, that won’t be necessary.We were just about to pack up anyway.

12.Where does the conversation take place?

A.At a hotel.

B.In a flat building.

C.In the manager’s office.

13.What is the woman pleased to hear?

A.The man’s apology.

B.The man’s story.

C.The man’s explanation.

14.What were the man and his friends about to do?

A.End their activity.

B.Quarrel with the Assistant Manager.

C.Apologize to their neighbor.

听第9段材料,回答第15~17题。

W:So, what do you think? How do you like New York?

M:I’m having a good time.I love it.I’m glad we came.

W:Yeath I really like the stores and the shopping centers.

M:I love the museums, too.

W:But the traffic is pretty bad.

M:Yeah.I hate all the traffic.It’s really noisy.

W:Listen, it’s almost dinner time.There are lots of restaurants around here.What do you want to try? Italian? Greek? Japanese? Chinese?

M:I can’t stand making decisions.You choose.

W:OK, let’s go American.Where is the nearest McDonald’s?

15.What do you know about the speakers from the dialogue?

A.They are native American.

B.They are tourists to New York.

C.They are from Japan.

16.What do they dislike here?

A.The museum.

B.The restaurants.

C.The traffic.

17.Which restaurants are NOT mentioned in their dialogue?

A.Chinese restaurants.

B.Thai restaurants.

C.American restaurants.

听第10段材料,回答第18~20题。

  Scientists are trying to make desert into good land again.They want to bring water to the deserts, so people can live and grow food.They are learning a lot about the deserts.But more and more of the earth is becoming desert all the time.Scientists may not be able to change the desert in time.

  Why is more and more land becoming desert? Scientists think that people make deserts.People are doing bad things to the earth.

  Some places on the earth don’t get much rain.But they still don’t become deserts.This is because some green plants are growing there.Green plants and grass are very important to dry places.Plants don’t let the wind blow away the dirt.When a bit of rain falls, the plants hold the water.Without plants, the land can become desert more easily.

18.Why is land becoming desert little by little according to the passage?

A.Because plants can’t grow there.

B.Because there is not enough rain.

C.Because people do bad things to the earth.

19.Why are green plants very important to dry places?

A.Because they don’t let the wind blow the earth away.

B.Because they hold water.

C.Both of the above.

20.From this passage, what can we learn?

A.Plants can keep dry land from becoming desert.

B.All places without a lot of rain will become deserts.

C.It is better to grow crops on dry land than on wet land.

查看答案和解析>>

听力测试(共20小题;每小题1.5分,满分30分)

第一节?

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。

M:Hi.Are you here on vacation or business?

W:I’m here on vacation.I think Taiwan is beautiful.

1.What is the woman here for?

A.For an interview.

B.On business.

C.On vacation.

M:I can come to your house and pick you up in half an hour.Is that all right?

W:Good.That means you will be here at 8∶30.

2.What time is it now?

A.Nine o’clock.

B.Eight o’clock.

C.Seven thirty.

W:Do you think that every language has a spoken form?

M:Certainly I do, but not every language has a written form.

3.Which form comes first, written or spoken?

A.Either the written form or the spoken one comes first.

B.The written form appears before the spoken one.

C.The spoken form comes before the written one.

M:I have seen the film Three Men and a Baby twice.I still really enjoy it.

W:That’s nothing.I’ve seen it four times.My brother has seen it five.

4.How many times has the woman seen the film Three Men and a Baby?

A.Two times.

B.Three times.

C.Four times.

M:I like these coats.How much are they?

W:40 dollars each, or two for 70 dollars.

5.How much will each one cost if you buy two coats?

A.30 dollars.

B.35 dollars.

C.40 dollars.

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。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,各个小题将给出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6~8题。

W:Hey, Karl!Why all this hurry?

M:Hi, Amber.How’s everything?

W:Really good.I’ve been really busy all day.How about you? I haven’t seen you for a while.

M:Yeah, today it has just been crazy for me too.I’ve been working like a mad man all day.

W:There just isn’t enough time.I haven’t even done a tenth of my paperwork.

M:It’s no joke, is it?I’ve still got a ton of paperwork to do, too.

W:I had a million things to do today, and only managed to finish a few.

6.What do both the man and the woman most probably do?

A.They are dustmen.

B.They are sportsmen.

C.They are office workers.

7.What do we know about today’s work?

A.Both of them have been busy with the work all day.

B.The man has been busier than the woman.

C.The man could spare a few minutes to relax.

8.What do we know from the conversation?

A.Both of them have finished their today’s work.

B.They have been so busy that they haven’t seen each other recently.

C.Both of them are joking.

听第7段材料,回答第9~10题。

M:What are you going to do tonight, Betty?

W:I’m going to eat at the new Chinese restaurant, just opposite your office.It’s not far from my house, about fifteen minutes’ walk.

M:Really? I was there last night, with some friends of mine.

W:Were there many people there?

M:Yes, a lot.

W:How was the food there?

M:It was great, really delicious.The vegetables were very fresh.But the service was not good enough, I’m afraid.

9.What are the speakers talking about?

A.What they’re going to do.

B.What they did.

C.A restaurant.

10.What is NOT mentioned about the Chinese restaurant in the talk?

A.Food.

B.Price.

C.Where it is.

听第8段材料,回答第11~13题。

M:Now some doctors are strongly encouraging arm exercises.

W:Arm exercises?Is that because arms are too fat or soft?

M:Actually that’s not the main reason.They say that arm exercises can make you physically healthy.

W:But I was told that arm exercises could raise your blood pressure.

M:Yes, but the article I read suggests some ways to make up for that.

W:Really?How?

M:By adding leg exercises, so that the arms don’t do all the work.

W:And in return I’m sure that there’s a good chance of losing weight.

M:Sounds right to me.

W:So what exercises do the experts suggest?

M:They mentioned quite a few exercises, but one of the most popular ones is riding a bike.

W:Good.I will try that.

11.Why are some doctors strongly encouraging arm exercises now?

A.Because our arms are often too fat.

B.Because our arms are often too soft.

C.Because arm exercises can build our health.

12.How will your blood pressure act when you have arm exercises?

A.Slow down.

B.Rise.

C.Keep normal.

13.What should arms exercises be done with?

A.Head exercises.

B.Neck exercises.

C.Leg exercises.

听第9段材料,回答第14~17题。

M:Miss Helen, can you tell me a little bit about where you have worked before?

W:Well, my last job was with Enron.

M:And when did you start with them?

W:Two years ago.

M:I see.So why did you decide to leave?

W:Well, perhaps you have heard that the company closed down earlier this year.

M:Yes, we’ve heard about it.And where did you work before Enron?

W:The ABC Motor Company.

M:How long did you work for them?

W:For five years, as a secretary.

M:And why did you leave that job as a secretary?

W:Well, I felt I needed a change.I think I learnt all I could do there.

M:OK, that’s enough on your working experience.Thank you.

14.What is the man asking about?

A.The woman’s last job.

B.The ABC Motor Company.

C.The woman’s working experience.

15.How many companies has the woman worked for?

A.2.

B.3.

C.4.

16.Why did the woman leave Enron?

A.She needed a change.

B.She had a quarrel with her boss.

C.The company closed down.

17.How many years did the woman work for the ABC Motor Company?

A.Two years.

B.Five years.

C.Seven years.

听第10段材料,回答第18~20题。

  The 28th Olympic Games were held in its birthplace Athens this year again.But do you know how we got from the Ancient Olympics to the Modern Games?Now let me tell you something.

  Although the ancient Games were held in Olympia, Greece, through 776 BC to 393 AD, it took 1503 years for the Olympics to return.The first modern Olympics were held in Athens, Greece, in 1896.The man responsible for its rebirth was a Frenchman named Baron Pierre de Coubertin, who presented the idea in 1894.His original thought was to hold the first modern Games in 1900 in Paris, but delegates from 34 countries were so devoted to the idea of holding it in Athens that they made him give up his original thought and move the Games up to 1896 and have Athens serve as the first host.

18.When did the ancient Olympics stop?

A.776 BC.

B.393 AD.

C.After 1503.

19.Who first came up with the idea of the rebirth of the Olympics?

A.The Greeks.

B.A Frenchman.

C.The Olympic Committee.

20.Why did delegates from 34 countries insist on having Athens serve as the first host?

A.Because the Olympic Games were born in Greece.

B.Because Paris is farther to other countries than Athens.

C.Because the Olympic Games should return to its hometown.

查看答案和解析>>


同步练习册答案