题目列表(包括答案和解析)
完形填空：阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。（共20小题，每小题1.5分）
In the past, man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be 46 . Today things are 47 , the world has become too 48 . We are using up our natural resources too quickly, and at the same time we are 49 our environment with dangerous chemicals. If we continue to do this, human life on the earth 50 survive.
Everyone 51 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing 52 , more and more fish are caught. We know that if too many trees are cut down, 53 will disappear and nothing will grow on the land. Yet, we 54 to use bigger and more powerful machines to 55 more and more trees.
We realize that if rivers are polluted with waste products from factories, we will die. 56 , in most countries wastes are 57 put into rivers or into the sea, and there are 58 laws to stop this. We know, too, that if the 59 of the world continues to rise at the present rate, in a few years there will not be enough 60 . What can we do to solve these problems ?
If we eat more vegetables and less 61 , there will be more food available for everyone. Land that is used to grow crops 62 five times more people than land where animals are kept. Our natural resources will 63 longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth 64 .
Finally, if we educate people to think about the problems, we shall have a better and clearer 65 in the future.
1.A. beautiful B. unlimited C. rare D. valuable
2.A. common B. the same C. changeable D. different
3.A. crowded B. small C. dirty D. busy
4.A. protecting B. saving C. polluting D. fighting
5.A. may not B. will not C. shall not D. could not
6.A. wonders B. realizes C. consider D. discovers
7.A. poles B. boats C. methods D. ideas
8.A mountains B. the sea C. trees D. forests
9.A. continue B. have C. ought D. go on
10.A. grow B. plant C. save D. cut down
11.A. Thus B. However
C. Generally speaking D. Therefore
12.A. still B. even C. also D. certainly
13.A. too many B. a few C. some D. few
14.A. production B. pollution C. population D. revolution
15.A. houses B. vegetables C. food D. lives
16.A. fruit B. meat C. fish D. grain
17.A. feeds B. increases C. supplies D. helps
18.A. use B. stay C. keep D. last
19.A. control B. born C. plan D. reward
20.A. nature B. sea C. planet D. forest
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You can’t imagine what great trouble they have _____ the problem _____.
A. to solve; being talked about
B. solving; discussing
C. to solve; to talk about
D. solving; being discussed
根据短文内容，从短文后的选项中选出能填人空白处的最佳选项。选项中有两项为多余选项。
Maybe you are an average student．You probably think you will never be a top student．This is not necessary so, however． 1 Here’s how：
1．Plan your time carefully．When you plan your week, you should make a list of things that you have to do．After making this list, you should make a schedule of your time．First your time for eating, sleeping, dressing, etc．then decide a good, regular time for studying． 2 A weekly schedule may not solve all your problems, but it will force you to realize what is happening to your time．
2． 3 Look around the house for a good study area．Keep this space, which may be a desk or simply a corner of your room, free of everything but study materials．No games, radios, or television! When you sit down to study, concentrate on the subject．
3． 4 Take advantage of class time to listen to everything the teachers say．Really listening in class means less work later．Taking notes will help you remember what the teacher says．
4．Study regularly．When you get home from school, go over your notes．Review the important points that your teacher mentioned in class．If you know what your teacher is going to discuss the next day, reading that material will become more meaningful, and you will remember it longer．
5．Develop a good attitude about tests．The purpose of a test is to show what you have learned about a subject．They help you remember your new knowledge． 5
A．Learn from others．
B．Find a good place to study．
C．Make good use of your time in class．
D．There are other methods that might help you．
E．Don’t forget to set aside enough time for fun．
F．Anyone can become a better student if he or she wants to．
G．The world won’t end if you don’t pass a test, so don’t be overly worried．
We often talk about ourselves as if we have permanent genetic defects(缺陷) that can never be changed. “I’m impatient.” “I’m always behind.” “I always put things 1 !” You’ve surely heard them. Maybe you’ve used them to describe ___2 .
These comments may come from stories about us that have been 3 for many years—often from 4 childhood. These stories may have no 5 in fact. But they can set low expectations for us. As a child, my mother said to me, “Marshall, you have no mechanical (操作机械的) skills, and you will never have any mechanical skills for the rest of your life.” How did these expectations 6 my development? I was never 7 to work on cars or be around 8 . When I was 18, I took the US Army’s Mechanical Aptitude Test. My scores were in the bottom for the entire nation!
Six years later, 9 , I was at California University, working on my doctors degree. One of my professors, Dr. Bob Tannbaum, asked me to write down things I did well and things I couldn’t do. On the positive side, I 10 down, “research, writing, analysis, and speaking.” On the 11 side, I wrote, “I have no mechanical skills.”
Bob asked me how I knew I had no mechanical skills. I explained my life 12 and told him about my 13 performance on the Army test. Bob then asked, “ 14 is it that you can solve 15 mathematical problems, but you can’t solve simple mechanical problems?”
Suddenly I realized that I didn’t 16 from some sort of genetic defect. I was just living out expectations that I had chosen to 17 . At that point, it wasn’t just my family and friends who had been 18 my belief that I was mechanically hopeless. And it wasn’t just the Army test, either. I was the one who kept telling myself, “You can’t do this!” I realized that as long as I kept saying that, it was going to remain true. 19 , if we don’t treat ourselves as if we have incurable genetic defects, we can do well in almost 20 we choose.
1. A. away B. off C. up D. down
2. A. them B. myself C. yourself D. others
3. A. said B. spoken C. spread D. repeated
4. A. as long as B. as far back as C. as well as D. as much as
5. A. basis B. plot C. cause D. meaning
6. A. lead B. improve C. affect D. change
7. A. encouraged B. demanded C. hoped D. agreed
8. A. means B. tools C. facilities D. hammers
9. A. therefore B. somehow C. instead D. however
10. A. settled B. turned C. took D. got
11. A. passive B. active C. negative D. subjective
12. A. experiences B. trips C. roads D. paths
13. A. unexpected B. poor C. excellent D. average
14. A. When B. What C. How D. Why
15. A. complex B. advanced C. common D. primary
16. A. arise B. separate C. suffer D. come
17. A. believe B. suspect C. adopt D. receive
18. A. weakening B. strengthening C. abandoning D. accepting
19. A. As a result B. At the same time C. In addition D. On the contrary
20. A. anything B. something C. nothing D. all
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