完形填空
阅读下面短文,根据短文内容,从短文后各题所给的A、B、C、D四个选项中,选择最佳选项。
There’s an old saying that eyes are the windows to the soul. We should take good care of our eyes. However, when we can see well, we do not 1 our eyes often. It is only when we can not see perfectly that we come to see how 2 our eyes are.
People who are nearsighted (近视) can only see things that are very close to their eyes. Then they have to wear glasses in order to see things far away 3 .
People who are farsighted face just the 4 problem. They can see things far away, but they have difficulty reading a book unless they hold it at arm’s 5 . If they want to do much reading, they must wear glasses too.
Other people do not see clearly because of cataracts(白内障). Long ago these people often became blind. Now, however, it is possible to 6 the cataracts and remove them. Also, some people’s eyes are not exactly the right shape. When night falls, colors become fainter(微弱)to the eyes and finally disappear. After your eyes have become used to the dark, you can see better 7 you use the side of your eyes rather than the centers. Sometimes, after dark, you see a small thing to one side of you, which seems to disappear if you turn your head in 8 direction. This is because when you turn your head, you are looking at the thing too directly. People sometimes think they see 9 moving to one side of them. When they turn to look straight at it, they can not see it any more, and they believe they were mistaken. However, this 10 happens because the center of the eye is very sensitive(敏感的) in daylight and it’s not as sensitive as the sides of the eye after dark.
In a word, we should care for our eyes well.
1. A. laugh at B. think about C. clean up D. pay for
2. A. important B. unusual C. necessary D. valuable
3. A. quickly B. widely C. clearly D. softly
4. A. opposite B. useful C. important D. similar
5. A. height B. width C. length D. weight
6. A. suffer from B. give up C. cheer for D. operate on
7. A. since B. if C. because D. until
8. A. our B. my C. your D. its
9. A. something B. anything C. nothing D. everything
10. A. action B. event C. mistake D. story
1.B 2.A 3.C 4.A 5.C 6.D 7.B 8.D 9.A 10.C
"Eyes are windows of the soul." Everyone knows the 36 of the eyes. 37 more and more students are becoming near-sighted(近视). So how to protect the eyes is still a serious problem. Here is some advice on 38 protect your eyesight(视力).
You should not keep your eyes 39 for a long time. When reading, you should keep the books about a foot away from you. After reading for an hour 40 two, you 'd better have a 41 by looking into the distance(远处).
You must remember not to read in dark light or in 42, not to read on a moving bus or in bed. Doing eye exercises will help 43 to protect your eyesight.
In a 44 , to keep 45 eyesight, we must have good studying habits.
36. A. importance | B. experience | C. difference |
37. A. So | B. Because | C. But |
38. A. what to | B. how to | C. when to |
39. A. working | B. walking | C. waking |
40. A. and | B. or | C. as |
41. A. talk | B. rest | C. by |
42. A. the earth | B. the star | C. the sun |
43. A. him | B. us | C. you |
44. A. word | B. sentence | C. letter |
45. A. bad | B. good | C. weak |