考研习题练习

考研易错题(2019/5/31)
1题:氧离曲线左移表示
A.Hb与O2亲合力增高
B.有更多的O2由Hb释放
C.Hb与O2亲和力降低
D.Hb与CO2亲和力增加
E.Hb与CO2亲和力不变
【单选题】:        

2题:下面的句子与例句使用的修辞方法相同而且运用恰当的一句是:
例句:满堂灌要不得,它把学生当成鸭子填,不管学生听不听,强迫学生接受。


A.无边的草原是这样平展,就像风平浪静的海洋,在太阳下点点水泡似的蒙古包闪烁着白光。
B.群众是汪洋大海,个人只不过是其中的一滴水,不,简直就是一滴水中的一个原子。
C.人民中间有成千上万的诸葛亮,成千上万的老黄忠,成千上万的小罗成。
D.我们的部队里涌现了许多优秀战士,像董存瑞、黄继光、邱少云、雷锋……
【单选题】:      

3题:RNA和DNA彻底水解后的产物是
A. 核糖相同,部分碱基不同
B.碱基相同,核糖不同
C.碱基部分不同,核糖不同
D.碱基不同,核糖相同
【单选题】:      

4题:一个进程被唤醒意味着()。
A.该进程重新占有了CPU
B、进程状态变为就绪
C.它的优先权变为最大 D.其PCB移至就绪队列的队首
【单选题】:      

5题:What our society suffers from most today is the absence of consensus about what it and life in it ought to be. Such consensus cannot be gained from society’’s present stage, or from fantasies about what it ought to be. For that the present is too close and too diversified, and the future too uncertain, to make believable claims about it.
A、consensus in the present hence can be achieved only through a shared understanding of the past, as Homer’’s epics (史诗) informed those who lived centuries later what it meant to be Greek, and by what images and ideals they were to live their lives and organize their societies.  Most societies derive consensus from a long history, a language all their own, a common religion, common ancestry. The myths by which they live are based on all of these.But the United States is a country of immigrants, coming from a great variety of nations. Lately, it has been emphasized that an asocial, narcissistic ( 自我陶醉的 ) personality has become characteristic ofAmericans, and that it is this type of personality that makes for the lack of well-being, because it prevents us from achieving consensus that would counteract a tendency to withdraw into private worlds. In his study of narcissism,Christopher Lasch says that modern man, "tortured by self- consciousness, turns to new therapies not to free himself of his personal worries but to find meaning and purpose in life, to find something to live for." There is widespread distress because national morale has declined, and we have lost an earlier sense of national vision and purpose.  Contrary to rigid religions or political beliefs, as are found in totalitarian ( 极权主义的 ) societies, our culture is one of great individual differences, at least in principle and in theory.But this leads to disunity, even chaos.Americans believe in the value of diversity, but just because ours is a society based on individual diversity, it needs consensus about some dominating ideas more than societies based on uniform origin of their citizens. Hence, if we are to have consensus, it must be based on a myth―a vision―about a common experience, a conquest that made usAmericans, as the myth about the conquest of Troy formed the Greeks. Only a common myth can offer relief from the fear that life is without meaning or purpose. Myths permit us to examine our place in the world by comparing it to a shared ide
A、Myths are shared fantasies that form the tie that binds the individual to other members of his group. Such myths help to ward off feelings of isolation, guilt, anxiety, and purposelessness―in short, they combat isolation and the breakdown of social standards and values."Homer’’s epics" mentioned in Paragraph 1 exemplifies the fact that
A、the present is varying too fast to be caught up easily.

B、the future may be so indefinite as to be unpredictable.

C、the past can help to shape a consensus in the present.
D.the past determines social moralities for later generations.
【单选题】:      

 

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