听力

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：What do you think of the movie?

M：It’s very interesting．But it’s a pity I missed the first part．

1．What are the two speakers talking about?

A．The weather．

B．A movie．

C．A basketball match．

W：You are late again．What’s the matter with you?

M：I’m sorry, Miss Green．But I didn’t catch the school bus．That’s why I was late for school．

2．Where did the conversation probably take place?

A．In a restaurant．

B．In a book shop．

C．In a classroom．

W：I wonder if Jim will be here by 8∶00．He’s supposed to be．

M：His wife said he left at 7∶30, so he should be here by 8∶15 at the latest．

3．What time is Jim supposed to arrive?

A．8∶15．

B．8∶00．

C．7∶30．

W：How often should I take these pills and how many should I take?

M：Take two pills every six hours．

4．How many pills should the woman take in twenty-four hours?

A．Six．

B．Eight．

C．Twelve．

xW：The room is filled with smoke．I can hardly breathe．

M：I agree．Smoking shouldn’t be allowed in this room．

5．What can be concluded from this conversation?

A．The woman is bothered by some people smoking heavily．

B．The room is on fire and full of smoke．

C．Smoking is strictly forbidden in the room．

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6～8题。

W：It’s Alice’s birthday next Tuesday．What shall we buy for her birthday?

M：Does she like reading? We can buy her a book．

W：Well, she had lots of books already．Besides, her birthday present last year was also a book．

M：How about a basketball?

W：No, she doesn’t like basketball, but she likes football．

M：Get her a football, then?

W：Do you know how much a football costs?

M：I have no idea, about 20 yuan, maybe．

W：But I have only 6 yuan．How much do you have?

M：I have eight．Why not go and ask John if he would like to join us?

6．What was the birthday present they decided to buy?

A．A book．

B．A basketball．

C．A football．

7．How much money did the two speakers have altogether?

A．6 yuan．

B．14 yuan．

C．8 yuan．

8．Why did they decide not to buy Alice a book?

A．Because she didn’t like reading at all．

B．Because she had lots of books in her room．

C．Because she had lots of books and her birthday present last year was a book．

听第7段材料，回答第9～11题。

M：What’s the matter, Alice?

W：Sorry, Mr Harrison．I missed my train．

M：Why did you miss the train?

W：Because I left home a little late．

M：Did you get up late or something?

W：No．My aunt called me at the last minute．

M：Tell her not to call you in the morning．

W：I will, Mr Harrison．I’m really sorry for being late．

M：If you are late again, I can’t let you pass for this class．

W：Oh, please．

9．What’s the relationship between the two speakers?

A．Secretary and boss．

B．Teacher and student．

C．Doctor and patient．

10．Why was she late?

A．Her aunt called her to get up late．

B．She missed the bus．

C．She got a telephone call．

11．What can we know about the man?

A．He is strict with his students．

B．He is cold to Alice．

C．He gets angry easily．

W：Is it true that you don’t swim at all now?

M：I’m afraid so．I’m too old．

W：But you’re only twenty!

M：That’s too old for a swimmer．If I swam in an international competition now, I wouldn’t win．So I’d rather not swim at all．

W：But don’t you enjoy swimming?

M：I used to, when I was small．But if you enter for big competitions, you have to work very hard．I used to get up at 6∶00 a. m．to go to the pool．I had to swim before school, after school and on weekends．I swam thirty five miles every week at that time．

W：But you were famous at fifteen．And look at all those cups!

M：It’s true that I have some wonderful memories．I enjoyed visiting other countries，and my Olympics were very exciting．But I missed more important things．While other boys were growing up, I was swimming．

12．At what time did he get up when he was small?

A．At six in the morning．

B．At six thirty in the morning．

C．At five to six in the morning．

13．How many miles did he swim every week?

A．Thirty miles a week．

B．Thirteen miles a week．

C．Thirty-five miles a week．

14．Which is right according to the dialogue?

A．The man is 40 now．

B．At the age of 15, the man became well-known．

C．The man doesn’t enjoy traveling．

听第9段材料，回答第15~17题。

M：Hi, Shirley, how about going to the football game today?

W：I’m not going to it．I’m planning to watch it on television．

M：What’s that? Do you feel too poor to watch a football game?

W：Money’s not the problem．I find it easier to follow football on television than in the stadium．When I see the game in the stadium, I feel as if I’m too far away from the action．

M：I know just what you mean．But there’s always so much excitement．People are cheering and shouting when you’re there．

W：You’re right there, but I can’t even see who has the ball, I can’t get very excited．So I really prefer watching it on television．

M：I see your point．Well, enjoy the game．

W：You too．

15．What are the man and the woman talking about?

A．Viewing a football game．

B．Interviews with football players．

C．Money problem about a football game．

16．Why is the woman not going with the man?

A．Because she is too poor to buy a ticket．

B．Because she doesn’t like people’s cheering and shouting in the stadium．

C．Because she finds it easier to follow football on television than in the stadium．

17．Which is right according to the dialogue?

A．The man likes people’s cheering and shouting in the stadium．

B．The woman can’t get excited while watching the football game on television．

C．There’s always so little excitement in the stadium．

听第10段材料，回答第18～20题。

　　When the Americans were getting ready to send their first men to the moon, an old Irishman was watching them on TV in the bar of a hotel．There was an Englishman in the bar, too, and he said to the Irishman, “The Americans are very clever, aren’t they? They are going to send some men to the moon．It’s a very long way away from our world．”

　　“Oh, that’s nothing, ” the Irishman answered quickly．“The Irish are going to send some men to the sun in a few months’ time．That’s much farther away than the moon, you know．”

　　The Englishman was very surprised when he heard this．“Oh, yes, it is, ”he said．“But the sun’s too hot for people to go to．”

　　The Irishman laughed and answered, “Well, the Irishmen aren’t stupid, you know．We won’t go to the sun during the day, of course．We’ll go there during the night．”

18．Who were in the bar of the hotel?

A．Some Americans．

B．An Irishman．

C．An Englishman and an Irishman．

19．What was the Irishman doing?

A．He was drinking．

B．He was watching TV．

C．He was reading．

20．What was on TV?

A．The Americans were getting ready to go to the moon．

B．The Irish were ready to send some men to the sun．

C．Some Englishmen were sent to the moon．

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。

M：I’ve only got ten dollars．Is it enough for two tickets?

W：Well, we have tickets of different prices．There’re ＄1.5 tickets and ＄4 ones and ＄6 ones．

1．How much will the man have to pay for the cheapest tickets?

A．＄1.5．

B．＄3．

C．＄4．

M：I hear you are playing at a concert tomorrow．How do you feel about it?

W：Oh, I’m really worried about it．

M：I’m not surprised．So would I be．

2．How does the man really feel?

A．Surprised．

B．Worried．

C．Light-hearted．

M：May I go in and read some books?

W：Yes, but you must obey the rule that no book should be taken out of the reading-room．

M：Do people do that?

W：Oh, yes, quite a number have．

3．What do you learn about readers?

A．Everyone obeys the rules．

B．Some do not obey the rules．

C．No one obeys the rules．

W：Look! The room is full of smoke．I can hardly breathe．

M：I agree．Smoking should not be permitted here in this room．

W：That’s right．Nowadays, people who smoke seldom think of others．

4．What do you know about the speakers?

A．Both of them are not smokers．

B．Both of them are smokers．

C．One of them is smoking in the room．

W：I’ve got something for you．

M：Really? What is it?

W：Something I picked up while I was in Europe．

M：How nice! Thanks ever so much．

5．How did the woman get the thing?

A．Found it in a street．

B．Got it from a friend．

C．Bought it in a shop．

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。

M：What’s that terrible noise upstairs?

W：It woke me up at five o’clock in the morning．

M：It sounds like they’re tearing the walls down up there．

W：I think they are, indeed．It sounds like they’re repairing．

M：That’s all fine and good, but can’t they do it during proper hours?

W：They don’t realize that not everyone gets up before the crack of dawn．

M：And today’s Sunday! I’m going up there to stop them straight．

6．How does the man feel?

A．Surprised．

B．Sad．

C．Angry．

7．What will the man go upstairs to do?

A．See what is happening．

B．Stop them making noise．

C．Help them with the work．

听第7段材料，回答第8～10题。

M：Do you have any direct flight to New Zealand?

W：Sorry, we don’t．But I think you can fly on Northwest 212 to Tokyo and then have a connecting flight on Japan Airline 123 to Auckland．And it is the most economical flight, just USD 580．

M：When does the Flight 212 depart?

W：At 11∶50 a. m．By the way, it also makes a refueling stop at Chicago．

M：How big is the layover at Chicago?

W：Less than one hour．

M：And how long do I have to stay in Tokyo for the connecting flight?

W：Not so long, just one hour．

M：So the time for the whole journey is about．．．

W：About eleven hours．

M：Let me count…OK, it works out for my time schedule．Thanks a lot．

W：You are welcome．

8．How many stops will the man have on the journey?

A．One．

B．Two．

C．Three．

9．What is the advantage of the flight?

A．Flying in the daytime．

B．Taking less time．

C．Costing less money．

10．What time might the man get to New Zealand?

A．Nearly midnight．

B．Early in the morning．

C．Late in the afternoon．

听第8段材料，回答第11～13题。

M：I’m Tom, the graduate of the year．I’ve ever had a summer job for a hardware company．This is my employer’s recommendation．

W：Sounds good．Would you mind taking a test? It is made up of two parts, part one tests your EQ to determine whether your personality fits the job well．And part two tests your skills background．

M：Cool．

(After the exam)

W：You are an excellent lad from the test results．

M：Thank you, do you mean I get the job?

W：Before I give you a definite answer, I’ll consult with the management and the personnel Deptment．You know I’m the Sales team manager．

M：I see, when can I expect an answer from you?

W：In a fortnight．

11．What isn’t Tom’s advantage?

A．The graduate of the year．

B．Working experience．

C．Interest in the company．

12．What job might Tom do if he is employed?

A．Sales．

B．Repairs．

C．Management．

13．How long will Tom have to wait for an answer?

A．About four days．

B．About ten days．

C．About half a month．

听第9段材料，回答第14～16题。

W：What can I do for you, sir?

M：I’m Tom in Room 528, and I want a wake-up call tomorrow morning．

W：At what time?

M：6∶15 a. m., please．

W：We have a computer wake-up service．Please dial 2 first and then the time．That is to say, dial 2 and the 0615 for the time．There must be five digits in the final number．

M：I see．Then it is 20615．Thank you．By the way, if I want to change my wake-up time, what should I do?

W：Just dial your new wake-up time．The computer will cancel the old time itself and record the new one．

M：If I dial 20700, I will be waked up at 7∶00 a. m.?

W：Yes, that’s right．

M：Thanks a lot．

W：You are welcome．Good night!

14．What should Tom do if he wants to change the time?

A．Ask for help．

B．Use the computer．

C．Dial another number．

15．What does the first digit 2 stand for?

A．Service．

B．Floor．

C．Time．

16．Where does the conversation take place?

A．At a clock shop．

B．At a hotel．

C．At a repair shop．

听第10段材料，回答第17～20题。

　　No one really knows who first decided to link electricity with a guitar．Most reports say this took place in the late Nineteen-Thirties or early Nineteen-Forties．

　　However, one man did a great deal to make the electric guitar popular．His name was Les Paul．He was the most popular guitarist in the Nineteen-Fifties．Les Paul also helped invent several different devices used with electric guitars．The most famous of these was a guitar that had a solid wood body．The Gibson Guitar Company later made these guitars．

　　There are too many great guitarists today to even guess who might be the best．There are great country and western guitarists, blues guitarists, and rock music guitarists．

　　However, most people would agree that blues artist B-B King is one of the top electric guitar players today．His music is famous around the world．So is his guitar, named Lucille．B-B King’s famous guitar is made by the same Gibson Company that made Les Paul’s electric guitars．

17．Who invented the electric guitar?

A．Les Paul．

B．The Gibson Company．

C．Still unknown．

18．Why is it hard to tell who might be the best guitarist?

A．People have different tastes．

B．Good guitarists can easily be found．

C．No one can match Les Paul now．

19．What is B-B King famous for?

A．Blues．

B．Rock music．

C．His guitar．

20．What connects Les Paul with B-B King?

A．The same music．

B．The same guitar．

C．The same guitar producer．

听力

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秒钟的时间回答有关小题和阅读下一小题。每段对话仅读一遍。

M：Sorry．I have forgotten John’s address．

W：You forgot again! It’s 125 Park Road．

1．What’s John’s address?

A．125 Park Road．

B．124 Rock Road．

C．125 Part Road．

M：I need some stamps and some envelopes as well．

W：Will you step right over to the second window, please？

2．Where does the conversation probably take place?

A．At a railway station．

B．In a bank．

C．In a post office．

M：Your shirt is quite beautiful in color, isn’t it？

W：Yes, I bought it at a sale for half price．It cost me ＄12．

3．What was the original price of the shirt?

A．＄24．

B．＄12．

C．＄6．

W：Look at those monkeys running around the rock hill．Look at the mother monkey．She is carrying her baby in her arms．

M：Yes, isn’t it interesting？

4．Where was the two speakers?

A．At a restaurant．

B．In a museum．

C．In a zoo．

M：What can I do if I can’t finish reading it in a week？

W：You may come and renew it．

5．What’s the man doing?

A．Borrowing a book．

B．Buying a book．

C．Reading a book．

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6～8题。

M：Hello, Mary! How was your exam yesterday？

W：Not too good．It wasn’t as easy as the last one, and it was longer than before．

M：Well, the final exam is always more difficult．You need to work harder．You will certainly do better next time．

W：I worked very hard, but I was too careless．I made some stupid mistakes．

6．What can we learn about the exam?

A．Not very easy．

B．Shorter．

C．Not good．

7．Why didn’t the girl do well in the exam?

A．She was careless．

B．She didn’t work hard．

C．She was not good at the subject．

8．What kind of the exam did the girl take?

A．The final exam．

B．The mid-term exam．

C．The entrance exam．

听第7段材料, 回答第9～11题。

M：Hello, Sally．

W：Hello, Ben．I haven’t seen you for years．Where have you been？

M：In the UK．How are you？I miss you and all my friends in Beijing．

W：Fine, thanks．How is the weather in UK？

M：Oh, it’s very cold．But spring will come soon．

W：When does spring begin in the UK？

M：It begins in March．

W：How long does it last？

M：For three months．

9．When is spring in the UK?

A．From March to May．

B．From March to June．

C．From January to March．

10．Where is she most probably talking?

A．On the telephone．

B．In the train．

C．In the street．

11．What season is it in the UK now?

A．Spring．

B．Winter．

C．Autumn．

听第8段材料，回答第12～14题。

W：Hello!577618．

M：Hello! Could I speak to Tom?

W：I’m sorry he’s out．He’s at the cinema at the moment．

M：Is that Mrs．Brown?

W：Yes, this is Tom’s mother．Do you have anything important to tell Tom？Can I take a message for him?

M：Sure．This is Bill．We’re going to have a picnic next Sunday．Please ask him to bring some delicious food．

M：Thanks a lot．Bye!

W：Bye．

12．Where is Tom now?

A．In the school．

B．In a restaurant．

C．At the cinema．

13．Who answers the telephone?

A．Mrs．Brown, Tom’s sister．

B．Mrs．Brown, Tom’s mother．

C．Mrs．Black, Tom’s aunt．

14．What does Bill want Tom to do?

A．Bring some food for the picnic．

B．Bring some toys for the game．

C．Bring some fruit for the trip．

听第9段材料，回答第15～17题。

M：Whose radio is this, Ann?

W：It’s mine, but it isn’t a radio．

M：What is it?

W：It’s a tape-recorder．

M：What do you do with it?

W：I practice my English with it．

M：That’s a very good idea．

W：It’s for our trip．

M：Do you have plans for a trip to America?

W：We have plans for a trip around the world．

M：What a lucky girl you are!

W：Thanks．

15．Why does Ann use a little tape-recorder?

A．To practice her English．

B．To listen to pop music．

C．To record radio news．

16．Where does the girl plan to go?

A．Around the world．

B．To America．

C．To Europe．

17．What does the man mean?

A．To envy(羡慕)her．

B．To thank her．

C．To hate her．

听第10段材料，回答第18～20题。

Many Americans work in different government departments．There are office workers, fire-fighters, police officers and public school teachers and so on．Most city workers may not earn a lot of money but when they are old enough to stop working, they get a good sum of money．Henry and Nancy work for the city of Seattle．Henry is a fire-fighter．He is on duty eight hours a day．When he works, he eats and sleeps at the firehouse because the fire-fighters have to be ready to answer an alarm at any time．Nancy is a typist in Henry’s office．She works from 9 o’clock in the morning to 5 o’clock in the afternoon．She works five days a week from Monday through Friday．Her job is to type reports of fire．

18．Which of the following are NOT city government workers?

A．Teachers in public school．

B．Police officers．

C．Doctors．

19．What’s Henry?

A．A fire-fighter．

B．A policeman．

C．An office worker．

20．When does Nancy work every day?

A．From 9 a. m. to 5 p. m．

B．From 9 a. m. to 4 p. m．

C．From 8 a. m. to 4 p. m．

听力(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。

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 passage 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．Leave where they were．

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 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．