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提问人:网友panzewei520 发布时间:2022-01-06
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You must be very careful when handling these acids______they are very concentrated.A.asB.w

You must be very careful when handling these acids______they are very concentrated.

A.as

B.when

C.if

D.while

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更多“You must be very careful when handling these acids______they are very concentrated.A.asB.w”相关的问题
第1题
There was ice on the road, and the doctor's car hit a tree and turned over three times. To
his surprise, he was not hurt. He got off the car and walked to the nearest house.

He wanted to telephone the garage for help. The door was opened by one of his patients.

"Oh, Doctor," she said, "I have only just telephoned you. You must have a very fast car. You have got here very quickly in deed. There has been a very bad accident on the road outside. I saw it through the window. I am sure the driver will need your help."

The story took place ______.

A.on a rainy day

B.in summer

C.in September

D.on a cold day

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第2题
听力原文:W: Hi, David, you look awful. What's the trouble?M: Well, believe it or not, I ha

听力原文:W: Hi, David, you look awful. What's the trouble?

M: Well, believe it or not, I had an accident in the car this morning. Someone drove into the back of my car.

W: No! How did it happen?

M: I was just turning into my drive when another car came round the comer and drove into the back of mine.

W: Didn't you see him?

M: No, I didn't. I looked in my driving mirror and there was no one coming. Not only that, I also looked in the big mirror on the other side of the road.

W: So he must have been coming very fast if you didn't see him.

M: That's right. And he went straight into me.

How does the man feel?

A.Happy.

B.Sad.

C.Excited.

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第3题
听力原文:M: I suppose you must have heard about that great piece of concrete falling onto
a car in that terrible accident in South Street yesterday, didn't you, Jane?

W: Yes, I saw it in the paper. From a 200-foot high building, wasn't it? I gather the driver had just got out or he'd have been killed, wouldn't he?

M: Oh, yes. I saw the car; it was totally damaged.

W: You usually park your car around there, don't you, Bill?

M: Yes, I left it in that very, spot a couple of days ago, but yesterday it was parked up the road.

W: You were lucky then, weren't you, Bill?

M: I'd be very pleased if my old car were smashed to bits. I could claim from the insurance company then, couldn't I?

W: But you used to be so proud of your car, didn't you?

M: I used to be years ago, but now there are all sorts of repairs to be done, and I just haven't got enough spare cash to put it right.

W: You can always sell it, can't you?

M: Few people are stupid enough to buy a car in that state, are they?

W: The man whose car was crushed yesterday was very annoyed about it. He' 11 be given a new car by the builders, though.

M: Yes, but his car was a specially-built model that can't be replaced, and there was hardly anything wrong with it, was there?

W: Well, that's life! When people actually want to get rid of their cars, this sort of thing seldom happens, does it?

19. What happened in South Street yesterday?

20.Which of the following can be inferred from the conversation?

21.Why does Bill consider himself unlucky in yesterday's incident?

22.According to Bill, how did the owner feel when he knew his car was crushed?

(23)

A.There was a traffic accident.

B.A car was smashed by a falling object.

C.A car hit someone near the high building.

D.A driver was lolled in his new car.

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第4题
听力原文:M: I suppose you must have heard about that great piece of concrete falling onto
a car in that terrible accident on South Street yesterday (19), didn't you, Jane?

W: Yes, I saw it in the paper. From a 200-foot high building, wasn't it? I gather the driver had just got out or he'd have been killed, wouldn't he?

M: Oh, yes. I saw the car; it was totally damaged.

W: You usually park your car around there, don't you, Bill?

M: Yes, I left it in that very spot a couple of days ago, but yesterday it was parked up the road.

W: You were lucky then, weren't you, Bill?

M: I'd be very pleased if my old car were smashed to bits. I could claim from the insurance company then, couldn't I? (20)(21)

W: But you used to be so proud of your car, didn't you?

M: I used to be years ago, but now there are all sorts of repairs to be done, and I just haven't got enough spare cash to put it right (21).

W: You can always sell it, can't you?

M: Few people are stupid enough to buy a car in that state, are they?

W: The man whose car was crashed yesterday was very annoyed about it(22). He'll be given a new car by the builders, though.

M: Yes, but his car was a specially-built model that can't be replaced, and there was hardly anything wrong with it, was there?

W: Well, that's life! When people actually want to get rid of their cars, this sort of thing seldom happens, does it?

(23)

A.A man was killed by a car.

B.A car was smashed by a falling object.

C.Another car hit and smashed the man's car.

D.A piece of wood blocked the street.

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第5题
Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文: Have you heard the story about the two drivers who wanted to park their cars in the same parking space? Well, the man who arrived at the parking space first was rather old with gray hair. He was driving a large Rolls Royce. The beautiful car stopped just in front of the parking space. Then the driver turned his head and very slowly began to reverse his car into the space. Just as he was doing this, a very young man in a Mini came up from behind. He noticed the space and drove straight in, nose first. The old driver in the Rolls Royce stopped his car suddenly. He was very angry and red in the face. He wound down his window and looked at the young man. But the young man wasn't sorry. He had got out of his car now and he was laughing. "You have to he very young to do that!" he said to the older driver and point- ed at his Mini and at the space he had just taken. The older man said nothing. He just began to reverse his Rolls Royce again and crashed into the Mini very hard. There wasn't much of the Mini left when the older driver had finished. The young man watched what was happening and couldn't believe his eyes. He was very angry, and very red in the face. The older man looked out of the window and smiled. "You have to be very rich to do that," he said.

(27)

A.You are not rich enough to buy a new car like mine.

B.You are too poor to contend with me for the parking space.

C.You are not rich enough to park your car here.

D.Only rich people can have the daring to do that.

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第6题
Section ADirections: In this section, you will hear 8 short conversations and 2 long conve

Section A

Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.

听力原文:M: Let's go and have something to drink. There's a nice bar near the theatre.

W: Thank you very much, but I'm still carsick.

Q: What's the woman's problem?

(1)

A.She is seriously ill.

B.She feels sick in a running car.

C.She is afraid of car driving.

D.She won't like any drinks.

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第7题
Two years ago, my husband bought me a bike. If you live in a town, it is often faster
than a car and you don't have to worry about parking. You leave it anywhere. As it has a seat at the back and a basket at the front, I can take my little daughter to school, to the library, to the shops, to anywhere.

I use it most in summer when the weather is warm and dry. It can be very unpleasant in winter when it is cold and the rain is heavy.

You must, of course, be careful on a bicycle. Accidents are not the only problem, though. One day I went shopping and came back to find my front wheel missing. It was a long walk to the bicycle shop. Now I have three strong locks.

My husband uses my bicycle sometimes for short journeys. He says it is better than waiting for a bus. He still uses his car for longer journeys, but I think that all day's sitting down is making him fat and lazy. On my bicycle I get a lot of exercises and fresh air, and this makes me feel a lot younger.

1)、The writer's husband bought her a new car two years ago.

A.T

B.F

2)、A bike is better than a car because it is much cheaper.

A.T

B.F

3)、The writer often uses her bike in summer.

A.T

B.F

4)、You must be careful when you ride a bike, for there are some problems.

A.T

B.F

5)、Riding a bike is a good exercise and it can make you feel younger.

A.T

B.F

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第8题
Task 1Directions: After reading the following passage, you will find 5 questions or unfini

Task 1

Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.

Americans with small families own a small car or a large one. If both parents are working, they usually have two cars. When the family is large, one of the cars is sold and they will buy a van(房车).

A small car can hold four persons and a large car can hold six persons but it is very crowded. A van hold seven persons easily, so a family three children could ask their grandparents to go on a holiday travel. They could all travel together.

Mr. Hagen and his wife had a third child last year. This made them sell a second car and buy a van. Their sixth and seventh seat are used to put other things, for a family of five must carry many suitcases(衣箱)when they travel. When they arrive at their grandparents' home, the suitcases are brought into the two seats can then carry the grandparents.

Americans call vans motor homes. A motor home is always used for holidays. When a family is traveling to the mountains or to the seaside, they can live in their motor home for a few days or to the seaside, they can live in their motor home for a few days or weeks. All the members of a big family can enjoy a happier life when they are traveling together. That is why motor homes have become very popular. In America there are many parks for motor homes.

From the passage, a van is also called ______ .

A.a motor car

B.a motor home

C.a motor bike

D.a big truck

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第9题
听力原文:M: Hello, Li Hua. I hear you are going to the United States.W: Yes, I'm going wit

听力原文:M: Hello, Li Hua. I hear you are going to the United States.

W: Yes, I'm going with my grandma. We're going to see my parents in New Jersey.

M: When are you leaving, then? And how long will you be there?

W: This Friday evening. And I'll be there for six months.

M: Six months! Do go and see my grandparents in New York, please.

W: Of course, I will. How can I travel?

M: Most people travel by car. The roads are very good.

W: But I don't have a car and I can't drive. Can't I travel by train?

M: Yes, you can. The train is expensive in the States, but it's fast.

W: Then I can save some time. Thank you very much. Well, I must be off now, see you when I get back.

M: Good luck and have a good trip.

What is Li Hua going to the United States for?

A.To study in the collage.

B.To work in the United States.

C.To see her parents.

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第10题
Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文: In the past few years, telephones in cars have become increasingly popular in the United States. At first, they were very costly; and then they cost less, so many people are now buying and using them. Police say people with car phones can report crimes and help catch criminals.

In the southern State of Florida, more than 125,000 people have telephones in their cars. Almost one car in every 30 has a telephone. A man in a big city of Florida is one of these car phone owners. One evening as he arrived home, he saw two people he did not know leaving the house next door. He called the police on his car telephone and followed the strangers in his car. The police caught the two men. A woman in another city of Florida saw a man shooting at another man during an attempt of robbery. She called the police on her car phone and followed the gunman as he fled in a car. She told the police and the police stopped the man and caught him.

Many people use their car phones to report other drivers who seem to have drunk too much wine. They also report accidents. This helps doctors and nurses get to an accident sooner to provide medical aid. All those car telephones are like having so many more sets of eyes and ears on the road. They help police to do their jobs better. Car phones also help drivers find the best way to get to a place. In some Florida cities, car phone owners can make free calls to radio stations to report when accidents occur or when too many cars block roads. The stations then broadcast warnings to other drivers to find different roads to use.

(27)

A.The police want people to use them to report crimes.

B.They are very handy and useful.

C.They are much cheaper than those years ago.

D.People in Florida can call others on their car phones.

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第11题
Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文:I travel quite a lot in Beijing. I think the underground railway is marvelous. I nearly always travel by tube because it is fast and cheap. But I also like to travel by bike, particularly for short journeys. Beijing's public transport is quite efficient. You can go almost wherever you like by public transport. Buses usually run at very short intervals. But they are rather crowded and slow, particularly in the rush hour. The roads get very congested and there are traffic jams at busy crossroads. When you are in a hurry, the best way to travel in Beijing is by tube. Taxis get held up in traffic jams and besides, the fares are quite high.

In China today the most common way of traveling is still by rail, although traveling by car or coach is getting more and more popular. We have almost all the provinces and big cities connected by the railways. There are over 53,000 kilometers of track in China. Rail transport provides a very important service to the public, to industry and commerce. Rail fares are usually lower than airfares. They are almost the same as coach fares, but traveling by train is more comfortable than traveling by car or coach.

What is this passage mainly about?

(27)

A.How to improve transportation.

B.The best transportation facilities.

C.A comparison between railway and airplane.

D.Transportation in China.

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