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1、Unit2 Working the land单元同步测试I. 单项选择1. It is advised by health experts that windows should be opened now and then for air to _, which makes the air in your room fresher. A. go though B. get through C. circulate D. spread around 2. -What do you think of bacteria, _good or bad? -_ to say, but one thing
2、 is certain: without bacteria, the world would be quite different from what it is. A. Are they; hard B. Is it; hardly C. Is it; hard D. Are they; hardly 3. The widespread of super-hybrid rice around the world _the lives of millions and millions of people suffering from hunger to a great level. A. im
3、proved B. is improving C. has improved D. has been improving 4. Look! What has happened. Id rather you _ her about the bad news. A. would not tell B. hadnt told C. didnt tell D. hasnt told 5. Though the professor tried his best to explain the difficult question, the students still looked _. A. confu
4、sing B. being confused C. to confuse D. confused 6. You are given only half an hour to finish your speech on the subject, so youd better not _ it too far. A. expand B. extend C. enlarge D. increase7. Though famous all over the world, Yuan Longping, sunburnt, _ with his simple life and _ in plain clo
5、thes, is still busy with his experiment to improve his super-hybrid rice.A. being satisfied; being dressed B. satisfying; dressing C. satisfied; dressed D. to be satisfied; to be dressed 8. Organic food is produced from crops _ chemicals, pests and so on. In one word, it is free from pollution of an
6、y kind. A. that is free from B. free of C. free with D. which are free of 9. -“Tom spends too much and I am going to rid him _ his pocket money.” the father said angrily. -“No, No, you cant but you can _ the amount.” A. from; cut down B. of; reduce C. with; lessen D. for; decrease 10. Famous as he i
7、s, he still _ a simple life, riding his motorcycle to do farm work and entertaining himself with his violin in his spare time. Which of the following is not OK? A. leads B. lives C. has D. makes 11. It is generally believed that _a piece of field is, _ it produces. A. the more fertile; the higher ou
8、tput of grain B. more fertile; more output of grain C. the fertile; the higher output of grain D. the fertile; the more grain output 12. The father has been _ for many years in order that his only son can be _ with higher education. A. fighting; served B. struggling; equipped C. working; offered D.
9、laboring; received 13. What do you think of the bottled water? -I dont like it at all. It is reported that much nutrition, including some minerals, _ while it is being processed. A. are ridded of B. are gotten rid of C. gets rid of D. is ridded of 14. Statistics show that in the past three decades g
10、rain production around the world has _ sharply but it still cant _ the rapid growth of population, as a result, a lot of people in undeveloped countries have to go hungry. A. expanded; keep in touch with B. increased; keep pace with C. grown; keep up with D. accumulated; catch up with I regret _ you
11、 that my daughter has already regretted _ out with you. So leave her alone and dont bother her any more. A. telling; dating B. to tell; to date C. to tell; dating D. telling; to date 16. It was reported that the plane I was to have taken crashed soon after it took off. _ the traffic jam, I was five
12、minutes late for the plane. A. As a result of B. Thanks to C. Because of D. on account of 17. The operation room in every hospital has to _bacteria of any kind so that the patient being operated on doesnt get infected. A. keep free from B. make it free from C. to be made free with D. be kept free fr
13、om 18. In his summary of the causes that _the Industrial Revolution in England in the 18th century, he said it was the accumulated capital that played the most important part. A. resulted from B. led to C. happened D. took place 19. Just as exercise helps _our bodies, reading helps _ our mind, broad
14、ening our vision into the world A. found; found B. to put up; to put up C. to build up; to build up D. to set up; to set up 20. -Would you like to _the performance of newly developed energy-saving device? -Sorry, but I am not in the position to _. A. make a comment on; comment B. have a comment with; comment on C. build up comments on; comment on D. come up with a comment on; comment 21. -I dont know how to write the article assigned by our professor on international trade. -You should have _ your attention on the lect
