时间:2011-09-20 17:28:48
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) _____________t