大學(xué)英語四級(jí)試卷和答案-20xx年6月大學(xué)英語四級(jí)真題-資料下載頁
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【正文】 orking conditions. D)To protect themselves against the cold weather.Section C Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 36 to 43 with the exact words you have just heard. For blanks numbered from 44 to 46 you are required to fill in the missing information. For these blanks, you can either use the exact words you have just heard or write down the main points in your own words. Finally, when the passage is read for the third time, you should check what you have written.Contrary to the old warning that time waits for no one, time slows down when you are on the move. It also slows down more as you move faster, which means astronauts (宇航員) someday may (36) _____ so long in space that they would return to an Earth of the (37) _____ future. If you could move at the speed of light, your time would stand still. If you could move faster than light, your time would move (38) _____.Although no form of matter yet (39) _____ moves as fast as or faster than light, (40) _____ experiments have already confirmed that accelerated (41) _____ causes a traveler39。s time to be stretched. Albert Einstein (42) _____ this in 1905, when he (43) _____ the concept of relative time as part of his Special Theory of Relativity. A search is now under way to confirm the suspected existence of particles of matter (44) ____________________________________.An obsession (沉迷) with time – saving, gaining, wasting, losing, and mastering it – (45) ____________________________________. Humanity also has been obsessed with trying to capture the meaning of time. Einstein (46) ____________________________________. Thus, time and time39。s relativity are measurable by any hourglass, alarm clock, or an atomic clock that can measure a billionth of a second.
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