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　　　　4.课本原句:All the computers must be shut down when you leave. 离开时你必须把所有的计算机关掉。

　　　　真题:The whole company _____ for a three weeks’ summer holiday. A. shut down B. shut off C. shut up D. shut away要点点拨:shut down意为“关闭;停工;歇业”;shut off意为“关掉(煤气)”等;shut up意为“关闭;住嘴”等;shut away意为“隔离;隔绝”。答案:A

　　　　5. Our sports meeting has been ____ till next Monday because of the bad weather.

　　　　A. put on B. put up C. put off D. put down要点点拨: put on意为“穿上,上演”;put up意为“举起,挂起,张贴”;put off意为“推迟,延期”; put down意为“放下,写下,记下”。 答案:C

　　　　6. So it goes on, hour after hour. 就这样继续下去,一小时接一小时。解析: hour after hour意思为“一小时接一小时”。英语中,用after连接两个相同的单数名词(名词前不用冠词)表示“一个接一个”

　　　　7. 解析: during(in, for) the last(past) + 一段时间,表示“到现在为止多长时间以来(内)”,常与现在完成时态连用。例如:In the last twenty years China has changed a lot. 在最近二十年内中国发生了巨大的变化。

　　　　8. I’m afraid I won’t come ___B___ 7 and 9. I will be at work then. A. until B. between C. during D. for

　　　　9..Butter and cheese _C_____ in price. A. has gone up B. is gone up C. have gone up D. are gone up

　　　　10.Today some newly-produced mobile phones can take pictures __B____ a camera.

　　　　A. as B. for C. like D. of

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