The earth is our home. We must take care of it. That is to say we must keep the land, air and ___1___ clean.

　　　 But man has begun to pollute(污染)the earth ___2___ he first made a fire, washed his clothes in the river and threw dirty things ___3____. Many years ago, pollution was not so serious because there were not ___4___ many people. There was enough clean air, land and water. When the land or the river was dirty in one place, man ___5___ another place, But now man is slowly polluting the whole world and there is ___6___ enough clean air, nor clean land, nor clean water. More people, more ___7___.

　　　 When is this all to ___8___? Is it possible to get rid of (消除) pollution? We are glad to say that people have come to know the ___9___ of pollution and ___10___ them are working hard to protect (保护) our earth.

(　　　 ) 1. A. river　　　　　　　　　 B. sea　　　　　　　　　　 C. lake　　　　　　　　　 D. water

(　　　 ) 2. A. before　　　　　　　　 B. while　　　　　　　　 C. since　　　　　　　　 D. when

(　　　 ) 3. A. on the ground　　 B. into the air　　　　 C. into space　　　　　 D. near the buildings

(　　　 ) 4. A. such　　　　　　　　　 B. so　　　　　　　　　　 C. too　　　　　　　　　 D. as

(　　　 ) 5. A. lived　　　　　　　　　 B. flew to　　　　　　　　　　 C. left to　　 　　　　 D. moved to

(　　　 ) 6. A. no　　　　　　　　　　 　　　 B. neither　　　　　　　　　　 C. either　 　　 　　　 D. not any

(　　　 ) 7. A. luck　　　　　　　　　 B. clean places　　　 C. pollution　　　　　 D. dirty cities

(　　　 ) 8. A. end　　　　　　　　　　 B. start　　　　　　　　　 C. over　　　　　　　　　 D. develop

(　　　 ) 9. A. dangerous　　　　　 B. importance　　　　 C. danger　　　　　　　　　　 D. use

10.(　　　 ) A. much of　　 　 　 B. a lot　　　　　 C. the large number of D. a large number of

5．请等着轮到你给这件外套付款。

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4．如果你想要保持健康，你就必须有健康的饮食。

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3．在十六世纪四十年代，谁是英国的国王？

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2．那些德国人再也不去那儿买书了。

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1．　 举行一场篮球比赛是很令人兴奋的。

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　 We _________ (度过) a day in the country and picked a lot of flowers. Our car was _________ (满的) of flowers inside! On the way home we had to stop at ___________ (交通) lights, and there my wife saw the ____________ (书架). It stood outside a furniture shop. “Buy it,” she said at once. “We’ll __________ (搬) it home on the roof-rack. I’ve __________ (总是) wanted one like that.” What could I do? Ten ___________ (分钟) later I was twenty dollars __________ (更穷), and it was __________ (绑) on to the roof-rack. It was tall and __________ (窄的), quite heavy too.

4．--- When ___________ these letters ___________ (send)?

　　 --- You’d better ___________ (ask) Ms. Liu for her decision.

3．She likes fish, but she doesn’t like ______________ (eat) meat.

2．Will the boy play computer games after he ____________ (finish) his work?