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  3. In 1915 Einstein made a trip to Gottingen to give some lectures at the invitation of the mathematical physicist David Hilbert. H

In 1915 Einstein made a trip to Gottingen to give some lectures at the invitation of the mathematical physicist David Hilbert. H

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问题     In 1915 Einstein made a trip to Gottingen to give some lectures at the invitation of the mathematical physicist David Hilbert. He was particularly eager—too eager, it would turn【C1】______to explain all the intricacies of relativity to him. The visit was a triumph, and he said to a friend excitedly: "I was able to【C2】______Hilbert of the general theory of relativity."
    【C3】______all of Einstein’ s personal turmoil at the time, a new scientific anxiety was about to 【C4】______. He was struggling to find the right equations that would【C5】______ his new concept of gravity, 【C6】______ that would define how objects move 【C7】______space and how space is curved by objects. By the end of the summer, he【C8】______ the mathematical approach he had been【C9】______for almost three years was flawed. And now there was a【C10】______pressure. Einstein discovered to his【C11】______ that Hilbert had taken what he had lectures and was racing to come up【C12】______ the correct equations first.
    It was an enormously complex task. Although Einstein was the better physicist. Hilbert was the better mathematician. So in October 1915 Einstein【C13】______himself into a month-long-frantic endeavor in【C14】______he returned to an earlier mathematical strategy and wrestled with equations, proofs, corrections and updates that he【C15】______to give as lectures to Berlin’ s Prussian Academy of Sciences on four【C16】______Thursdays.   
    His first lecture was delivered on Nov. 4,1915, and it explained his new approach, 【C17】______ he admitted he did not yet have the precise mathematical formulation of it. Einstein also took time off from【C18】______ revising his equations to engage in an awkward fandango with his competitor Hilbert. Worried【C19】______ being scooped, he sent Hilbert a copy of his Nov. 4 lecture. "I am 【C20】______to know whether you will take kindly to this new solution," Einstein noted with a touch of defensiveness.
【C14】
选项 A、how
B、that
C、what
D、which
答案D
解析 考查语法知识——定语从句的引导词。根据句子结构，可以推断出此处为定语从句，先行词为a month-long frantic endeavor，可以推断出此处表示时间阶段，故选D．which。
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考研英语一

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