河南省名校2012届高考英语同步单元复习测试 Unit2 Working the land 新人教版必修.doc

河南名校2012届高三同步单元复习测试人教版新课标必修四《Unit2 Working the land》英语试卷 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 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. improved B. is improving C. has improved D. has been improving 4. Look! What has happened. I’d rather you ______ her about the bad news. A. would not tell B. hadn’t told C. didn’t tell D. hasn’t told 5. Though the professor tried his best to explain the difficult question, the students still looked _____. A. confusing B. being confused C. to confuse D. confused 6. You are given only half an hour to finish your speech on the subject, so you’d better not _____ it too far. A. expand B. extend C. enlarge D. increase 7. Though famous all over the world, Yuan Longping, sunburnt, ______ with his simple life and ____ in plain clothes, 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 any 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 can’t but you can _____ the amount.” A. from; cut down B. of; reduce C. with; lessen D. for; decrease