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For what day did Mr. Nelson make a hotel reservation？
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听力原文： I found myself facing a dry-cleaning store which has once been one of the best restaurants in New York. On Sundays the old man would take my mother and me for dinner. There had been a balcony where a baker in a tall white hat baked fresh rolls and whenever a customer entered, the baker would look down and put in a fresh batch. I could smell the rolls through the odor of cleaning fluid on Lenox Avenue. I could see the manager who always sat down will4 us while we ate. He had some disease, I suppose, because the right side of his face was swollen out like a balloon, but he always wore a hard wing collar and a white tie, and never seemed sick. A Negro with a moustache was looking through the store window at me. For a moment I had the urge to go and tell him what I remembered, to describe this avenue when no garbage cans were on the street, when the Daimlers and Minervas and Fords had cruised by, and the cop on the corner threw back the ball when it got through the outfield on 114th street. I did not go into the store, nor even toward our house. Any claim I had to anything had lapsed. I went downtown instead and sat in my room, trying to read.
According to the speaker, the dry-cleaning store used to be a ______.
How does Mr. Nelson respond when the hotel clerk offers to provide him with a free room on
Why did the speaker once assume the manager was sick？
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【B1】-- 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【B2】Hilbert of the general theory of relativity."
【B3】all of Einstein's personal turmoil (焦躁) at the time, a new scientific anxiety was about to【B4】. He was struggling to find the right equations that would【B5】his new concept of gravity,【B6】that would define how objects move【B7】space and how space is curved by objects. By the end of the summer, he【B8】the mathematical approach he had been【B9】for almost three years was flawed. And now there was a【B10】pressure. Einstein discovered to his【B11】that Hilbert had taken what he had learned from Einstein's lectures and was racing to come up【B12】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【B13】himself into a month-long frantic endeavor in【B14】he returned to an earlier mathematical strategy and wrestled with equations, proofs, corrections and updates that he【B15】to give as lectures to Berlin's Prussian Academy of Sciences on four【B16】Thursdays.
His first lecture was delivered on Nov. 4, 1915, and it explained his new approach,【B17】he admitted he did not yet have the precise mathematical formulation of it. Einstein also took time off from【B18】revising his equations to engage in an awkward fandango (方丹戈双人舞) with his competitor Hilbert. Worried【B19】being scooped (抢先), he sent Hilbert a copy of his Nov. 4 lecture. "I am【B20】to know whether you will take kindly to this new solution," Einstein noted with a touch of defensiveness.
【B1】
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