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Book 2 Unit4随堂练习

I. 用括号里所给词的正确形式填空 (每小题1分，共20 分)

1) We should protect the environment from ___________________ (pollute).

2) The terrorists threatened __________ (kill) all the passengers aboard if their demands were not met.

3) Many animals are now in danger as a result of environmental pollution, we should take measures to save the ____________(endanger) animals so that we may keep them from _______(die) out.

4) After graduation, he began to wander from city to city, ___________(hunt) for a suitable job.

5) Although asked twice, he didn’t make any ____________(respond) to my question.

6) To our __________ (relieve), the lost child returned home safe and sound.

7) It is a book _____________ (contain) 30 different stories.

8) Organizations of all kinds now recognize the Internet as?an _____________ (effect) means of global communication.

9) I would appreciate your __________ (call) back this afternoon.

10) The ______________ (employ) rate has risen by 20 percent as a result of financial crisis.

11) Smoking is ___________ (harm) to your health.

12)The?officials?of?our?city?_________________(inspect)?quite??a??few??schools?next??week.

13) This wounded soldier was unconscious from his __________ (lose) of blood.

14) Show them your__________________ (appreciate) by purchasing their goods.

15) Sun Yang is a _____________ (success) athlete, who ______________ (success) in winning two gold medals in the 2012 London Olympic Games. Lots of people wanted to know the secret of his succe 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 es to punish those 9 do harm to wildlife. 10 by working together can we protect wild animals better.

1.______________ 2.______________ 3._________________ 4._______________ 5.________________

6.______________ 7._______________ 8._________________ 9.________________ 10.________________

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