[单项选择]There's no right amount of sleep for everyone, and generally sleep requirements decrease with age.
A. 每个人都没有恰当的睡眠量，一般来说，睡眠需求会随着年龄增长而减少。
B. 每个人所需的睡眠时间不尽相同，一般是随着年龄的增长而减少。
C. 睡眠不足者需求的睡眠量一般都随着年龄而减少。
D. 一个人没有固定的睡眠时间，一般会缩短寿命。

[单项选择]From the amount of sleep Napoleon, Edison, and Darwin required, we can conclude ______ .
A. that they were famous
B. that they were executives
C. that they were intelligent
D. none of the above

[单项选择]The amount of sleep required may ______ .

[单项选择]Everyone has the right to live where he wants to, ______ the color of his skin.
A. in spite of
B. with respect to
C. in terms of
D. regardless of

[单项选择]Does everyone on earth have an equal right ______ an equal share of its resources
A. by
B. at
C. to
D. over

[单项选择]设s="中华人民共和国"，表达式Left(S,1)+Right(S,1)+Mid(S,3,2)的值为( )。
A. "中华民国"
B. "中国人民"
C. "中共人民"
D. "人民共和"

[单项选择]Suddenly, Gallup's name was (on everyone's lips); not only (he was) the prophet of the moment, (but) it was generally believed that he had founded (a new) and most important method of prediction.

[单项选择]It's pleasant to fall into sleep listening to the wave's _________ the rocks.
A. slashing
B. splashing
C. lubricating
D. scrubbing

[单项选择]Environmental protection ______ everyone's support.
A. calls for
B. calls forth
C. calls off
D. calls up

[单项选择]Compare with dreamless sleep, deep dream sleep is _______.
A. not the result of natural selection
B. less likely to appear to moneys
C. more protective to the animals
D. at a higher stage of evolution

[单项选择]A good night's sleep is a ______of having good recall in the weeks ahead, scientists have found.
A. appeal
B. call
C. request
D. prerequisite

[单项选择]A panda's primary activity is sleep, ______ its waking hours looking for food.
A. for spending
B. that it spends
C. will spend
D. and it spends

[单项选择]

Text 3 Darwin is basically right, though only to some extent, that species and individuals compete, fight, kill and survival belongs to the fittest. This is one of the most important mechanisms by which life evolves and maintains its quality. As the human society builds upon and is an extension of the ecosystem, does it mean that for the human society to work well, man must apply this mechanism to her/his society also; say, let those who are not skillful enough to land a job starve to death We may be enlightened with respect to this question through the examination of evolution in an ecosystem in comparison to the human history. Taking the maritime swamp land as an example, the mangrove species Kandelia candle competes successfully over other mangrove species and dominate the area chiefly through the evolution of droppers that other species do not have. The seeds of Kandelia candle grow into seedlings inside the droppers before leaving their mother plant body and when the
A. the extension of the ecosystem
B. the survival of the fittest
C. the maintenance of life' s quality
D. the evolution of life