完形填空解析

1、完形填空解析Many of the world's pollution problems have been caused by the crowding of large groups of people into cities. Supply for the _1_ of the people leads to_2_ pollution by industry. If the _3_ increase in human population _4_ at the present rate, there may be much greater harm. Some scientist

2、s speak of the _5_ in number of people as "population pollution".About 2000 years ago, the world_6_ was probably about 250 million. _7_ reached a billion in 1850. By 1930 the population was two billion. It is _8_ three and a half billion. It is _9_ to double by the year 2000. If the popula

3、tion continues to grow at the same _10_, _11_ would be 25 billion people in the world a hundred years from now.Man has been using the earth's_12_more and more rapidly over the years. Some of them are almost _13_. Now many people believe that man's greatest_14_ is how to control the growth of

4、 his population. The _15_ in the world will not support the human population, in time to come, if the _16_ rate of increase continues. _17_ there is overcrowding in the _18_ and hunger in some coun tries. Can man's rate of in crease continue? Many people believe that huma n survival 存者） in the f

5、uture_19_ on the answer _20_ the question.1. A. needs B. satisfies C. service D. lacks2. A. farther B. less C. further D. better3. A. harmful B. small C. slow D. rapid4. A. stops B. continues C. slows down D. speeds up5. A. increase B. reduce C. quality D. quantity6. A. people B. situation C. popula

6、tion D. land7. A. They B. You C. We D. It8. A. now B. in the past C. in the future D. then9. A. hoped B. expected C. wished D. looked forward to10. A. place B. time C. rate D. result11. A. it B. there C. they D. that12. A. coal B. oil C. mines D. resources13. A. missed B. rich C. gone D. enough14. A

7、. problem B. power C. plan D. idea15. A. food B. electricity C. energy D. materials16. A. past B. present C. future D. slow17. A. Already B. Yet C. Still D. Often18. A. villages B. mountains C. cities D. farms19. A. grows B. lives C. keeps D. depends20. A. in B. of C. to D. with 答案与解析 1. A。供应人们必需品 应

8、选needs。2. C。导致进一步或更大程度的污染，应选further。3. D。从后文in crease和prese nt rate来看应选速度。4. B 5. A。根据本文重点词”人口增长”的重复，重述应选in crease。6. C 7. D。根据上下文的指代关系此处应用It。8. A。这一节主要讲过去的人口状况、现在的人口状况以及未来的情况。所以应选now。 9. B。根据意义选择词汇，"预计在2000年人口要翻倍"，应选expected。10. C。根据上文的at the present rate,本题应选rate。11. B。此处为there be句型。12.

9、D。人类一直在使用地球的资源 ， 而不仅仅是石油和煤 应选resources 13. C 14. A。根据下文”怎样控制人口的增长"应选problem,因为这的 确是最大难题。15. D。不仅仅是食物、电和能源而且还有许多东西不能满足人口的增长，应该选materials。16. B 17. A 18. C 19. D。depend on 意为”依靠、依赖 ”。20. C。to 表示所属关系，常与 answer, entrance 等名词 连用。完型填空练与析Every Chinese-language textbook starts out with the standard phr

10、ases for greeting people; but as an American, I always found myself _1_ to speak freely when it came to seeing guests off at the door. Just a good-bye would not do, yet that was all I had ever learned from the _2_ books. So I would smile and nod, bowing like a Japanese and searching madly for words

11、that would _3_ over the visitor's leaving and make them feel they would be _4_ to come again. In my unease, I often hid behind the skirts of my Chinese husband's kindness. Then finally, listening to others, I began to pick up the phrases that _5_ relationships and sent people off not only su

12、ccessfully but also skillfully._6_ for the Chinese includes a lot of necessary habitual practice. Although as a _7_ , I'm not expected to observe or even know all the rules, I've had to learn the expressions of politeness and _8_ at a leave-taking. The Chinese feel they _9_ see a guest off t

13、o the farthest possible point-down the flight of stairs to the street below or perhaps all the way to the _10_ bus stop. I've sometimes waited half an hour or more for my husband to return from seeing a guest off, _11_ he's gone to the bus stop and waited for the _12_ bus to arrive. That'

14、;s very well, but when I'm the guest being seen off, my protests are always _13_. My hostess or host, or both, insists on _14_ me down the stairs and well on my way, with my repeating the "Don't _15_ to see me off at the every landing". If I try to go fast to _16_ them from followi

15、ng, they are simply out to the discomfort of having to run after me. Better to accept the inevitable （ 不可避免的事 ）.Besides, that's going against Chinese _17_ , because haste （doing things quickly） is to be avoided. What do you say when you _18_ someone? Not "Farewell or Godspeed （祝福 ）", _

16、19_"Go slowly". To the Chinese it means "Take care" or "Watch your _20_ ", or some such caution（ 谨慎 ）, but translated literally （ 字面上地 ） it means "Go slowly".1. A. easy B. difficult C. unable D. effective2. A. useful B. terrible C. priceless D. proper3. A. smo

17、oth B. talk C. calm D. take4. A. content B. ready C. welcome D. eager5. A. speeded B. broke C. destroyed D. eased6. A. Parting B. Leaving C. Separating D. Interviewing7. A. wife B. guest C. hostess D. foreigner8. A. protest B. refuse C. explain D. state9. A. can B. will C. may D. must10. A. farthest

18、 B. nearest C. easiest D. shortest11. A. although B. unless C. if D. since12. A. fastest B. first C. next D. last13. A. effective B. unnecessary C. useless D. troublesome14. A. leading B. seeing C. inviting D. pushing15. A. trouble B. have C. decide D. walk16. A. protect B. keep C. discourage D. dismiss17. A. rule B. custom C. design D. opinion18. A. meet with B. talk with