Unit 9 Save the Planet 一、单项选择（共15小题；共45分） 从下面选项中选出可以替换划线部分的最佳选项。 1. —We should recycle these plastic bags. —You're right. A.repeat B.restart C.reuse 从下面各题所给选项中，选择最佳选项。 2.—How much is this colorful printer _____? — I'm not sure. Maybe it is very expensive. A.spent B.taken C.cost D.worth 3. Which of the following words is pronounced /t?p/? A.tap B.top C.tip D.tape 4. We should use china cups because we can _____ them. A.reduce B.reuse C.recycle D.break 从下面选项中选出可以替换划线部分的最佳选项。 5. —Nowadays, the pollution is becoming more serious. What can we do to reduce pollution? —In fact, it's easy. We can _____ things like paper and used water. A.reuse B.repeat C.reject 从下面各题所给选项中，选择最佳选项。 6. Usually, it's easier to make _____ decision than to take _____ action. A.a; an B./; an C./; / D.a; / 7. Reuse means "_____". A.use again B.use less C.use little D.use once 从下面各题所给选项中，选择最佳选项。 8. Reuse means "_____". A.use again B.use less C.use little D.use once 9. —How was the speech yesterday? —Exciting. _____, the speaker sang a song. And then he told us his real story of success. A.At last B.To start with C.To be honest D.After all 10. Gina and I went to school by bus _____ this morning. A.usually B.as usual C.as usually D.as unusually 11. Many of my classmates _____ the sports meeting. A.joined B.had C.took part in D.trained 12. The results are good. So I think they _____. A.worth an effort B.worth the effort C.are worth the effort D.are worth efforts 13. It's my honor to stand here for the speech. _____, I'd like to introduce myself. A.To be honest B.To my surprise C.To start with D.To tell you the truth 14. People must _____ waste into rivers. A.be prevented to throw B.prevent to throw C.be prevented from throwing D.prevented throwing 15. No free plastic bags in supermarkets helps to _____ white pollution. A.remove B.reduce C.provide D.produce 9 二、完形填空（共1小题；共40分） 阅读下面的短文，掌握其大意，然后从短文后各题所给的选项中，选择最佳选项。 Think of life as a game in which you are playing with five balls in the air. You call them work, family, health, friends and spirit and you keep all of them in the air. You will soon understand that _____16_____ is a rubber ball. If you drop it, it will bounce (弹跳) back. But the other four balls, family, health, friends and spirit, are made of _____17_____. If you drop one of these, they will be broken. But they will _____18_____ be the same. You must understand that and try to have balance in your life. How? Don't look down on your own _____19_____ by comparing yourself with others. It is because we are different and each of us is special. Don't let other people set _____20_____ for you. Only you know what is best for yourself. Don't give up when you still have something to give. _____21_____ is really over until the moment you stop trying. Don't be afraid of difficulties. It is by taking chances that we ... ...
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