高二英语下学期unit13练习题
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Unit 13 The water planet
一. 单项选择
1. It was reported that _____ of the people at the meeting.
A. three-fifths; were
B. third-fifths; was
C. three-fives; are
D. three-fifth; were
2. There are 75 students in our class, with their ages _____.
A. range from 14 to 18
B. ranging between 14 and 18
C. ranged from 14 to 18
D. ranging both 14 and 18
3. The new airport _____ if they had not stopped working on it.
A. would complete
B. had been completed
C. had completed
D. would have been completed
4. You _____ return the book now. You can keep it till next week if you like.
A. can’t
B. mustn’t
C. needn’t
D. may not
5. I took _____ of the fine weather today to play tennis.
A. place of
B. care
C. notice
D. advantage of
6. The old lady is _____ to what others say.
A. stable
B. available C sensible D. sensitive
7. The water in oceans also keeps the temperature of the earth steady _____heat.
A. to absorb and release
B. by absorbing and releasing
C. without absorbing and releasing
D. in absorbing and releasing
8. Oil has the _____ of floating on water.
A. property
B. medium
C. disadvantage
D. capacity
9. It’s believed that _____ in bulk (散装) is not good to the goods.
A. communication
B. sending
C. transport
D. traffic
10. My uncle is my nearest living _____.
A. relationship
B. relations
C. relative
D. comrade
11. Nowadays people in the city enjoy a _____ of musical life.
A. variety
B. range
C. extent
D. width
12. Childhood memories _____ before her eyes.
A. floated
B. drifted
C. frowned
D. frosted
13. There are _____ of people in the dining hall.
A. lot
B. many
C. masses
D. few
14. You can go _____ by the motorboat.
A. by the way
B. all the way
C. in the way
D. in many ways
15. These wild flowers are so special I would do _____ I can to save them.
A. whatever
B. wherever
C. which
D. whichever
二. 完形填空
Scientists know how to make sea water fresh. They know many 16 of taking out the salt. One way is to boil the salt water. 17 the water boils, the 18 rises. When the steam 19 it becomes fresh water. 20 way is to use the 21 of the sun. A tray(盘)with special glass side is used. The 22 warms the sea water. The steam 23 . When the steam cools on the 24 , it is fresh water. This water runs 25 the glass into a little gutter(槽).
Still another way is to 26 the sea water. The 27 stays on the outside of the ice. Then the scientists 28 the salt. The ice is 29 water.
Do all these ways 30 ? Yes, they do.
Then why 31 we have fresh water for people who need it?
The 32 is that some day we will. But we can’t do that yet. It costs too m uch 33 to make salt water fresh. It costs