1、单元词汇专项练习Unit 4Astronomy：the science of the starsExercise 1 据句意及所给单词首字母或汉语意思完成下列句子.1. A _ is scientific study of the sun, moon, stars, planets, ect.2. Christian, Buddhist and Hindu are the main r_ in the world.3. The a_ over dinner was warm and friendly.4. The firework e_ in his hand.5. The news he s
2、_ around the town was not true.6. Its a _ (谜) to me why they didnt choose him.7. We must care about further _ (进展).8. As a parent, you should not _(鼓励) bad habits in a child.9. The ECP _ (出版) weekly.10. The force that attracts objects in space towards each other, and on the earth pulls them towards
3、the center of the planet is called _ (重力).Exercise 2 根据句意 , 用所给的词或词组的最恰当形式填空(注意有多余选项)-lessen, dissolve, depend on, prevent(from), lay, now that, on earth, on the earth, on time, in time, surface, gradually-1._ youve finished your homework, you can go and play football to have a rest.2. Ive phoned yo
4、u several times. What _ are you doing?3. Nothing on earth can _ me _ loving her.4. Do you best in your career, youll succeed _.5. You must not look only at the _ of things.6. Salt _ easily in water.7. The old man _ his two sons for food and clothing.8. The cuckoo(杜鹃) _ its eggs in other birds nest.9
5、. After hard working, they improved the things _.10. The pain _ already _ after taking the medicine.参考答案Exercise 1:1. Astronomy 2. religions 3. atmosphere 4. exploded 5. spread 6. mystery 7. developments 8. encourage 9. is published 10. gravityExercise 2:1. Now that 2. on earth 3. preventfrom 4. in time 5. surface6. dissolves 7. depends/depended on 8. lays/laid 9. gradually 10. waslessening
