题目内容

[即学即练]从括号内选择合适的内容完成下面

对话。

A husband (H) and wife (W) are driving to a

party and are lost.

w: We’ re lost. And we don’ t even have a map.

You 1. (should take / should have

taken) a map.

H: I didn't think we were going to need one. I

2. — (must have made / should have

made) a wrong turn.

w: Do we need to stop and ask for directions?

H: No,we 3. (mustn't / don’ t  have to) .

We 4.  (can / must) use the cell phone

and call the Allens and ask them how to get to their house,w: OK.

H: Let' s see. I thought I had the cell phone in my

pocket. I 5. (can't / ought to) find it.

I 6. (must leave / must have left) it at

home.

w: No,You didn’ t leave it at home. I've got it here in my purse. Oh,no. It is out of power. We 7. (have to / may) look for a pay

phone. Do you have any change?

H: I just have dollar bills.

w: You 8. (should have taken / must

have taken) some change with you.

H: Oh,it' s my fault.

w: Watch out!You 9. (might have hit /must have hit) that car.

H: I wasn't going to hit that car. I didn’ t come anywhere close to it.

w: Anyway we 10. (ought to / can) be careful.

1.should have taken   2. must have made   3. don t have to   4. can

5 can’t   6. must have left   7. have to      8. should have taken

9. might have hit      10. ought to

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                             B

                              ★★★☆☆

     One part of the world is still largely unexplored. It is the deep sea. Over the years,many people have explored under the sea. But the first deep-sea (潜水员) wanted to find sunken treasure. They weren’ t really interested in studying the creatures of life there. Only recently have they begun to learn some of the mysteries of the sea.

    not easy to explore the deep sea. A diver must have a way of breathing underwater. He mus be able to protect himself from great pressure (引 力) .The pressure of air is ábout 15 pounds or every square inch. But the pressure of water ii about 1,300 pounds on every square inch!

     The first 叹似治(潜水服) were made rubber. They had a metal 心/w以(头盔) with windows in it. The shoes were made of lead and weighed twenty pounds each!These suits let divers go down a few hundred feet,but they were no good for exploring the very deep waters. With a metal diving suit,a diver could go down 700 feet. Metal suits were first used in the 1930s.

     In 1927, .a diver named William Beebe wanted to explore deeper than anyone had ever gone before. He was not interested in finding treasure. He wanted to study the creatures and plants of the sea. His friend invented a metal ball called the Bathysphere. It weighed more than 5 ,000 pounds,but in it Beebe went down 3 ,028 feet. He saw many things that had never been seen by humans before.

25. People who first explored the deep sea hoped to

   A. learn about the animals and plants of the sea

   B. solve some mysteries about the sea 

    C. have an exciting trip in the sea

   D. discover treasure under the sea

26. According to the text,what make (s) deep-sea diving difficult?

   A. The pressure of water.

   B. The temperature of water,

    C. The dangerous sea creatures.

   D. The heavy breathing equipment.

27. Compared with rubber diving suits,metal diving suits .

   A. had windows in the metal helmet

   B. weighed twenty more pounds

    C. were good for exploring deeper waters  

    D. began to be used much earlier

28. What do we know abou Wiman Beeb roni the text?

   A. He broke the diving record in his time.

   B. He failed to find the treasure he wanted.

    C. He met something terrible under the sea.

   D. He was the first diver to explore the deep sea.

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