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Unit 5 (Reading)
基础知识
词语运用
(共10小题)
用方框中的单词或短语完成下列句子。
add some chemicals remember valuable turn ... off
looked around each drop of water had a long journey
dropped into exercise two fifths
1. 篮子里五分之二的苹果是红色的。
______________ of the apples in the basket are red.
2．他环顾了下四周，但是却什么也没看见。
He ______________ , but didn't see anything.
3. 工人们向水里添加一些化学物质来净化它。
Workers ______________ to water to make it clean.
4. 时间很珍贵，我们必须珍惜它。
Time is __________ and we must cherish (珍惜) it.
5. 在你使用完水的时候，请立刻关闭水龙头。
Please _______ the tap _______ immediately when you finish using water.
6. 我们千万不能浪费和污染水，并且必须节省每一滴水。
We mustn't waste or pollute water, and we should save ___________.
7. 记住不要在流着水的水龙头下刷牙。
___________ not to brush your teeth under the running tap.
8. 雨滴掉进了河里并且汇入了大海。
Rain drops ________ the river and ran into the sea.
9. 在经过了一次长途旅行之后，他们的确感觉非常疲惫。
After they ___________, they really felt very tired.
10. 如果你经常锻炼身体，你就会越来越健康。
If you often ___________, you will be healthier and healthier.
单项选择
(共15小题)
( ) 1. After a person exercises a lot, he or she must need ______ water.
A. many
B. much
C. more
D. less
( ) 2. About ______ of the water on Earth is fresh or without salt.
A. 3 percent
B. 10 percent
C. 67 percent
D. 97 percent
( ) 3. People can't live without water for several ______.
A. hours
B. days
C. weeks
D. months
( ) 4. If you don't ______ at once, you will waste more water.
A. turn the tap on
B. turn the tap up
C. turn the tap down
D. turn the tap off
) 5. The book is very ______, and I'm really ______in it. (
A. interesting; interesting
B. interesting; interested
C. interested; interesting
D. interested; interested
( ) 6. ______ do you know about water resource?
A. How many
B. How much
C. How long
D. How often
( ) 7. When the clouds move quickly, the rain is going to ______ from the sky.
A. drop
B. run
C. rise
D. fall
( ) 8. Water falls from the clouds ______ rain.
A. in
B. of
C. for
D. as
( ) 9. The drop of water said, “It is time for people ______ me.”
A. to clean
B. cleaning
C. to cleaning
D. cleaned
( ) 10. The water drop travelled ______ the pipes under the streets and it came here.
A. in
B. on
C. across
D. through
( ) 11. Mrs Green added some sugar ______ the coffee to make it sweeter.
A. to
B. at
C. in
D. on
( ) 12. Water ______ about two thirds of the Earth.
A. cover
B. covers
C. covered
D. covering
( ) 13. The little boy came ______ his bedroom to get the toy car in the sitting room.
A. into
B. in
C. out of
D. out
( ) 14. We can't live ______ water.
A. with
B. without
C. have
D. have no
( ) 15. ______of the Earth is covered by water.
A. three four
B. three fourth
C. three fourths
D. third fourth
句子改写
(共5小题)
1. It is time to go to school. (同义句改写)
It is time ________ ________.
2. We can't drink the water because it is so dirty. (就划线部分提问)
________ can't you _______ the water?
3. The cloud falls as rain again. (改为否定句)
The cloud ________ ________ as rain again.
4. He heard an angry voice just now. (改为一般疑问句)
________ he _________ an angry voice just now?
5. Turn the light off, please. (同义句改写)
Turn ________ ________ ________, please.
