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　　Unit 4   Astronomy: the science of the stars
　　一、基础测试
　　A. 单词拼写
　　请根据汉语提示或首字母写出单词的正确形式
　　1. What would happen if there were no __________ (大气层).
　　2. A bomb was _________ (爆炸) at a gas station this morning and five persons were killed.
　　3. The government is encouraging the ____________ (发展) of small businesses.
　　4. Fruit juices can be ________ (有害) to children’s teeth.
　　5. Because of the ________ (到场) of the famous football star, everyone cheered up.
　　6. Without o________ animals can’t live.
　　7. The disease is s__________ quickly, so we must do what we can to stop it.
　　8. They were d___________ at the result of the game, so they loonhappy.
　　9. I didn’t want to tell him the secret but he f_______ me to do so.
　　10. At first she didn’t like English but g__________ she is interested in it.
　　B. 句型转换
　　根据A句句义，完成B 句,使句义相同或相近。
　　11. A: Nobody knew that it was going to be different from other planets which go round the sun.
　　B: Nobody knew that it was going to be different from other planets _____ ______the sun.
　　12. A: They multiplied and filled the first oceans and seas with oxygen.
　　B: They multiplied and the first oceans and seas were _______ _______oxygen.
　　13. A: Others, called amphibians, were able to live on land as well as in the sea.
　　B: Others, ________ ________called amphibians, were able to live on land as well as in the sea.
　　14. A: Last month I was lucgh to have a chance to make a trip into space.
　　B: Last month I was ______ ________ that I had a chance to make a trip into space.
　　15. A: We visited the moon in our spaceship.
　　B: We visited the moon _______ ________.
　　C. 完成句子
　　16. You will understand my kindness _______ _______ (最终).
　　17. What he said was quite ________ _________ _______ ________ ________ (与他做的不一样).
　　18. You are not allowed _______ ________ ________ ________ (在这里踢足球).
　　19. The boy is _______ the hole ________ ________ (正往洞里灌沙子).
　　20. When the war ______ ______ (爆发), he was working in the navy.
　　二、单项填空
　　21. This painting is splendid, but ________ we actually need it is a different matter.
　　A. that　　　　　B. what
　　C. whether　　　 D. how
　　22.           you like it or not, you'll have to give up smoking.
　　A. If              B. Whether
　　C. How           D. Why
　　23. They don’t allow ______ here. That is to say, we are not allowed _____ here.
　　A. to smoke; to smoke   B. smoking; smoking
　　C. to smoke; smoking   D. smoking; to smoke
　　24. All these gifts must be mailed immediately so as to be received _________Christmas.
　　A. after          B. in time
　　C. in time for     D. in no time
　　25. The way he did it was different _______ we were used to.
　　A. in which     B. in what
　　C. from what    D. from which
　　26. All        made        possible for China to succeed in carrying on its reforms and open-door policy.
　　A. what happened; it    B. what happened; that
　　C. that happened; it    D. that happened; that
　　27. _______ what you said, he got very angry.
　　A. Because    B. Because of
　　C. Since       D. For
　　28. People will be encouraged to eat healthy food, ________ and to drink less beer and wine.
　　A. not to smoke  B. don’t smoke
　　C. not smoke    D. not smoking
　　29. The teacher as well as a number of students ______ to attend the party yesterday.
　　A. were asked    B. was asked
　　C. were asking    D. was asking
　　30. We need to improve the          of our new range of products.
　　A. look        B. expression
　　C. appearance   D. outlook
　　31. Unless you ___________ nature, you are sure to be punished by nature.
　　A. go against B. go across
　　C. go by D. go over
　　32. Some policemen were sent there to ___________ the villagers ___________ down the trees.
　　A. tting  B. prevent; cutting
　　C. prevent; to cut   D. stop; to cut
　　33. I don’t believe that older people are always wiser. It _______ the person and what kind of experiences he or she has had.
　　A. requires of      B. results from
　　C. depends on     D. belongs to