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.

【小題1】
A．familiarB．strangeC．similarD．special
【小題2】
A．partlyB．personallyC．reallyD．willingly
【小題3】
A．complexB．simpleC．matureD．meaningful
【小題4】
A．quietnessB．darknessC．lonelinessD．sadness
【小題5】
A．finallyB．completelyC．physicallyD．normally
【小題6】
A．refusedB．decidedC．continuedD．failed
【小題7】
A．timeB．secretC．processD．study
【小題8】
A．deal withB．a(chǎn)dd toC．give awayD．depend on
【小題9】
A．discoveryB．a(chǎn)ctivityC．inventionD．method
【小題10】
A．beastsB．a(chǎn)nimalsC．strangersD．humans
【小題11】
A．controlsB．studiesC．measuresD．destroys
【小題12】
A．worldB．flowerC．powerD．experiment
【小題13】
A．happenB．existC．matterD．work
【小題14】
A．a(chǎn)ncientB．modernC．wonderfulD．peaceful
【小題15】
A．hardB．expensiveC．convenientD．important


【小題1】A
【小題1】C
【小題1】B
【小題1】B
【小題1】D
【小題1】C
【小題1】A
【小題1】D
【小題1】A
【小題1】B
【小題1】A
【小題1】C
【小題1】C
【小題1】B
【小題1】D

解析

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C
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When asked to point out one or two things that are most important to themselves, many put friends ahead of homes, jobs, cloth and cars.

A true friendship carries-a-long history of experience that determines who we are and keeps us connected. It is a treasure we should protect. Unfortunately, the better friends you are, the more probably you’ll have disagreements. And the result can be what you don’t want an end to the relationship.

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1.What would be the best title for the text?

A．Easy Ways to Make Friends

B．Ups and Downs in Friendship

C．How to Mend a Troubled Friendship

D．How to Take the Lead in Making Friends

2.The “wronged person” underlined in the text refers to a person           .

A．who has been mistaken for another

B．who has been blamed unfairly

C．who has treated friends badly

D．who has admitted his mistakes

3.According to the text a friendship can last long only if             ．

A．we have much in common

B．we know our friends’ mistakes

C．we treat our disagreements wisely

D．we have know one another for long

4.What should we do if we follow the author’s second suggestion?

A．Stick to our own prints of view

B．Avoid making mistakes

C．Make an apology first

D．Change our lifestyles

 

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B．There are millions of suns in the universe.

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