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GRE阅读模拟在线练习附答案二百七十八

2019-05-19 16:44:22来源：网络

　　对于GRE阅读部分，最好的练习资料就是模拟资料。通过模拟练习，可以让大家更好地发现自己在备考中的不足，重点攻克自己的短板内容，有效的提升阅读分数。下面新东方在线GRE频道为大家整理了详细的内容，供大家参考。

点击查看》》》【GRE阅读真题在线练习附答案汇总】

　　Quantum mechanics is a highly successful theory: itsupplies methods for accurately calculating theresults of diverse experiments, especially withminute particles. The predictions of quantummechanics, however, give only the probability ofan event, not a deterministic statement of whetheror not the event will occur. Because of thisprobabilism, Einstein remained strongly dissatisfiedwith the theory throughout his life, though he did not maintain that quantum mechanics iswrong. Rather, he held that it is incomplete: in quantum mechanics the motion of a particlemust be described in terms of probabilities, he argued, only because some parameters thatdetermine the motion have not been specified. If these hypothetical "hidden parameters" were known, a fully deterministic trajectory could be defined. Significantly, this hidden-parameter quantum theory leads to experimental predictions different from those oftraditional quantum mechanics. 　Einstein's ideas have been tested by experimentsperformed since his death, and as most of these experiments support traditional quantummechanics, Einstein's approach is almost certainly erroneous.

　　According to the passage, Einstein posed objections to the

　　A.existence of hidden parameters in quantum theory

　　B.probabilistic nature of quantum mechanics

　　C.idea that quantum mechanics is incomplete

　　D.results of experiments testing quantum theory

　　E.importance accorded quantum mechanics in physics

　　The passage suggests that which of the following would have resulted if theexperiments mentioned in lines 18-20 had not supported the predictions of traditionalquantum mechanics?

　　A.Einstein, had he been alive, would have revised his approach to quantum mechanics.

　　B.Hidden-parameter theories would have been considered inaccurate descriptions of real-worldphenomena.

　　C.A deterministic description of the motion of a particle might still be considered possible.

　　D.Quantum mechanics would have ceased to attract the attention of physicists.

　　E.Einstein, had he been alive, would have abandoned attempts to specify the hiddenparameters that describe motion.

　　正确答案:B C

　　以上就是关于“GRE阅读模拟在线练习附答案二百七十八”的内容，更多精彩内容，请关注GRE频道!

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