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1、優(yōu)質(zhì)文檔 優(yōu)質(zhì)人生 Unit 4 Astronomy：the science of the stars（2）課時(shí)訓(xùn)練 1. Complete the following sentences with the proper form of the given words. development, disappoint, explode, float, force, harmful, publish, solid, spread, surface, telescope, violent 1. The butterfly _____________ its wings a

2、nd moved them slowly up and down . 2. That he failed the college entrance examination ______________his parents very much . 3. She found something unusual ____________on the __________of the river, which quite frightened her. 4. The famous writer ____________a lot of popular novels

3、 in that ____________firm. 5. With the ____________of our country’s economy, people's living standard has been greatly raised. 6. Now that it's so warm, we can see fishes swimming on the ___________of the pool. 7. The ____________ of gravity makes things fall to earth. 8. Wit

4、h a __________ kick, the robber broke into the old man's house. 9. Nothing can separate the two, because they have a ____________friendship foundation. 10. During World War II, two atomic bombs ____________in Japan, killing a large number of people. ( 1. spread 2.disappointed 3.

5、floating, surface 4. published, publishing 5.development 6.surface 7.force 8. violent 9. solid 10. exploded ) 2. Complete the following sentences with the proper translations. 1. When SARS ______________（爆發(fā)）, fear spread out quickly all over the country. 2. Try harder, and you can

6、succeed _______________ （最終）. 3. Measures should be taken to __________（阻止）the paper factory polluting the river . 4. _______________ （既然）he has admitted he's wrong, we may as well forgive him. 5. It ______________（取決于）the efforts of the government and those companies whether

7、 the environmental problem can be solved. 6. They tried their best to _______________ （使---高興 ）those unfortunate people after the earthquake. (1. broke out 2.in time 3. prevent 4. Now that 5.depends on 6.cheer up ) 3. Translate the Chinese into English to complete the whole sentenc

8、e by using the Subject Clause 1. _________________________________________（太空旅行所需的）is careful preparations. 2. It will soon be announced ______________________________________________（誰是勝利者） 3. ______________________________________________________（楊利 偉從太空中安然著陸地球） made all

9、Chinese exited and cheerful. 4. It is still unknown _________________________________________（楊利 偉 是否將再被送到太空去） 5._________________________________________________（宇航員在太空中如何吃飯、睡覺和行走） is very strange and interesting. 6. _____________________________________________________（為什么

10、張教授昨天缺席會議）remains a secret. 7.It is know n to us _______________________________________________（生命起源于何處）. 8. _______________________________________________(何時(shí)戰(zhàn)爭才會從世上消失) is hard to say. ( Keys: 1.What is needed for the space trip 2.who will be the winner 3

11、. That Yang Liwei landed on the earth safe from space 4. Whether Yang Liwei will be sent into space once again 5. How astronauts eat, sleep and walk in space 6.Why Professor Zhang was not present at the meeting yesterday 7. Where life developed 8. When war will disappear from the world ) 2 本資料來自網(wǎng)絡(luò)若有雷同概不負(fù)責(zé)