2011年6月大学英语四级真题及答案

　　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.

　　注意：此部分试题在答题卡2上;请在答题卡2上作答。

　　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(宇航员) 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 traveler’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 time’s relativity are measurable by any hourglass, alarm clock, or an atomic clock that can measure a billionth of a second.