UNIT SEVEN WHAT ARE THE TWELVE ANIMALS Lesson 23習題 2一、單選1. A: I enjoyed the performance very much. B: Yes, it was really good. I think _ boy in white was the best actor. A: a B: an C: the D: /2. I always tell my students _ on the road because its really dangerous. A. not to play B. to play not C. not playing D. not play3. The man called his professor for help because he couldnt solve the problem by _. A. herself B. himself C. yourself D. themselves4. Could you say it again? I cant understand _ you are talking about. A. how B. when C. what D. which5. - Must I finish my homework now? - No, you _. You can go home now. A. neednt B. mustnt C. shouldnt D. cant 6. There is _ news about this movie star in the newspaper. Where can I get some? A. many B. a few C. a lot D. little7. I couldnt do it _ your great help. Thanks a lot! A. with B. without C. for D. to8. Thanks for your invitation, but Im so sorry I cant go. I need to _ my baby at home. A. take away B. take off C. take care of D. take out of 9. A: You look very nice in your new dress today. B: Oh, really? I _ it when it was on sale. A. buy B. bought C. have bought D. will buy10. -I feel really tired. -_ A. Lucky you! C. Youd better work harder. C. Congratulation! D. Why not go and have a seat? 二、完形填空Its very important that we all recycle (再利用). In nature, everything _1_ again. For example, when an animal dies, it becomes _2_ animals food. Nothing is wasted. But humans have created things like plastic bags _3_ cant be broken down by nature. Our rubbish kills animals and _4_ water and soil. _5_ we continue making too much rubbish, the problem will only get worse. If nature cant reuse the rubbish, we must recycle _6_.We should clean up the rubbish weve made because nature cant.Recycling is also the right thing to do for another reason. The earth is rich in natural materials like water and trees, _7 _ these materials are not endless. We use up our natural materials much _ _8 _ than the earth is able to reproduce them. For example, each year we cut _9 _ more that 6,000 square miles of forest. But it takes an average of 25 years for a new tree _10_.Recycling can help us save the earth, so lets take action right now.1. A. use B. using C. is used D. used2. A. another B. other C. others D. the other3. A. who B. which C. how D. where4. A. pollutes B. polluted C. polluting D. is polluted5. A. When B. Whether C. Why D. If 6. A. them B. their C. it D. itself7. A. but B. so C. and D. or8. A. fastly B. fast C. taster D. f