題目列表(包括答案和解析)
We have known for a long time that flowers of different plants open and close at different times of day. This is so 1 that there seems to be no need to ask the reason for it. Yet no one 2 understands why flowers open and close like this at particular times. The process is not as 3 as we might think, as recent experiments have shown. In one study, flowers were kept in constant 4 . We might expect that the flowers, without any information about the time of day, did not open as they 5 do. As a matter of fact, they 6 to open at their usual time. This suggests that they have some mysterious(神秘的) way of knowing the 7 . Their sense of time does not 8 information from the outside world; it is, so to speak, inside them, a kind of “inner clock”.
This 9 may not seem to be very important. However, it was later found that not just plants but also 10 , including man, have this “inner clock” which 11 the working of their bodies and influences their activities. Men, then, are also influenced by this mysterious 12 . Whether we wish it or not, it affects such things in our life as our need for sleep, our need for food.
In the past, this did not really 13 because people lived in natural condition. In the 14 world, things are different; now there are spacemen, airplane pilots and, in ordinary life, a lot of people who have to work at night. It would be very 15 , then, to know more about the “inner clock”. Such things as flowers might help us understand more about ourselves.
1.A. familiar B. strange C. similar D. special
2.A. partly B. personally C. really D. willingly
3.A. complex B. simple C. mature D. meaningful
4.A. quietness B. darkness C. loneliness D. sadness
5.A. finally B. completely C. physically D. normally
6. A. refused B. decided C. continued D. failed
7.A. time B. secret C. process D. study
8.A. deal with B. add to C. give away D. depend on
9.A. discovery B. activity C. invention D. method
10.A. beasts B. animals C. strangers D. humans
11.A. controls B. studies C. measures D. destroys
12. A. world B. flower C. power D. experiment
13.A. happen B. exist C. matter D. work
14.A. ancient B. modern C. wonderful D. peaceful
15.A. hard B. expensive C. convenient D. important
As we all know, a proper amount of exercise _______ to good health.
A. controls B. offers
C. provides D. contributes
Maya ________ me deeply when I read her writing, but she touches me most of all when I hear her speak.
A. controls B. affects C. amuses D. confuses
| 完形填空。 | |||
| We have known for a long time that flowers of different plants open and close at different times of day.This is so __1__ that there seems to be no need to ask the reason for it. Yet no one __2__ understands why flowers open and close like this at particular times. The process is not as __3__ as we might think,as recent experiments have shown. In one study, flowers were kept in constant __4__. We might expect that the flowers, without any information about the time of day, did not open as they __5_ do. As a matter of fact, they __6__ to open at their usual time. This suggests that they have some mysterious(神秘的) way of knowing the __7__. Their sense of time does not __8__information from the outside world; it is, so to speak, inside them, a kind of "inner clock". This __9__ may not seem to be very important. However, it was later found that not just plants but also __10__ , including man, have this "inner clock" which __11__ the working of their bodies and influences their activities. Men, then, are also influenced by this mysterious __12__. Whether we wish it or not, it affects such things in our life as our need for sleep, our need for food. In the past, this did not really __13__ because people lived in natural condition. In  the __14__ world, things are different; now there are spacemen, airplane pilots and, in ordinary life, a lot of people who have to work at night. It would be very __15_ , then, to know more about the "inner clock". Such things as flowers might help us understand more about ourselves. | |||
| ( )1. A. familiar ( )2. A. partly ( )3. A. complex ( )4. A. quietness ( )5. A. finally ( )6. A. refused ( )7. A. time ( )8. A. deal with ( )9. A. discovery ( )10.A. beasts ( )11.A. controls ( )12.A. world ( )13.A. happen ( )14.A. ancient ( )15.A. hard |
B. strange B. personally B. simple B. darkness B. completely B. decided B. secret B. add to B. activity B. animals B. studies B. flower B. exist B. modern B. expensive |
C. similar C. really C. mature C. loneliness C. physically C. continued C. process C. give away C. invention C. strangers C. measures C. power C. matter C. wonderful C. convenient |
D. special D. willingly D. meaningful D. sadness D. normally D. failed D. study D. depend on D. method D. humans D. destroys D. experiment D. work D. peaceful D. important |
| 完形填空。 | ||||
| We have known for a long time that flowers of different plants open and close at different times of day. This is so 1 that there seems to be no need to ask the reason for it. Yet no one 2 understands why flowers open and close like this at particular times. The process is not as 3 as we might think, as recent experiments have shown. In one study, flowers were kept in constant 4 . We might expect that the flowers, without any information about the time of day, did not open as they 5 do. As a matter of fact, they 6 to open at their usual time. This suggests that they have some mysterious(神秘的) way of knowing the 7 . Their sense of time does not 8 information from the outside world; it is, so to speak, inside them, a kind of "inner clock". This 9 may not seem to be very important. However, it was later found that not just plants but also 10 , including man, have this "inner clock" which 11 the working of their bodies and influences their activities. Men, then, are also influenced by this mysterious 12 . Whether we wish it or not, it affects such things in our life as our need for sleep, our need for food. In the past, this did not really 13 because people lived in natural condition. In  the 14 world, things are different; now there are spacemen, airplane pilots and, in ordinary life, a lot of people who have to work at night. It would be very 15 , then, to know more about the "inner clock". Such things as flowers might help us understand more about ourselves. | ||||
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