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1、Unit 4 new words and expressions 1. theory in theory 理论上 in practice 实际上 Your plan is good in theory, but it doesnt work in practice. 2in time1) The storm was in time to stop before the sports meeting. 终于2) Youd better return it in time. 及时3) Youll learn how to do it in time. 迟早，总有一天on time 3. unlik
2、e dislike来源来源:数理化网数理化网 Unlike John, Tom dislikes playing football. 4. harmful be harmful to 对对有害有害 The sun can be harmful to your skin. Smoking is harmful to your health. harm n when B. was until; that C. wasnt until; when D. wasnt until; that 3. well go camping tomorrow depends on the weather. A. I
3、f B. Whether C. That D. Where 4. The top leaders of the two countries are holding talks in a friendly . A. state B. situation C. atmosphere D. air 5. As the busiest woman in Norton, she made her duty to look after all the other peoples affairs in that town. A. this B. that C. one D. it 6. -How long
4、are you staying?-I dont know. . A. Thats OK B. Never mind C. It depends D. It doesnt matter 7. It was raining heavily. Little Mary felt cold, so she stood to her mother. A. close B. closely C. closed D. closing 8. Will you be home to see the children before they go to bed? A. on time B. in time C. a
5、t a time D. at one time 9. The festival has been a great success, last year when it rained nonstop. A. like B. alike C. unlike D. dislike 10. Measures have been taken to prevent the river from . A. having polluted B. being polluting C. being polluted D. to polluted来源来源: 11. What are the differences
6、between the American and Britain of government. A. systems B. religions C. barbers D. theories 12. It is generally accepted that smoking is to our health. A. harmless B. harmful C. harm D. harmfully 13. Try and a bit; life isnt that bad! A. cheer up B. come up C. look up D. put up 14. he said at the
7、 meeting surprised everybody present. A. That B. Which C. What D. How15. Please these warning signs. A. take out B. bring out C. come out D. watch out 参考答案：一、参考答案：一、system; theories; violent; harmful; existed; puzzled; gravity; in time; lays eggs; give birth to; prevented from; cheer up; Now that; broke out; Watch out二、二、solar systems; Unlike; exists; puzzle; religions; theory; broke out; Atoms; billion; existed; globe; violent; oxygen; fundamental; harmful; multiplied; oxygen; laid eggs; gave birth to; atmosphere; watch out; prevent from; Now that; in time; cheer up三、三、ADBCD CABCC ABABD
