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将所有3的幂，或者是若干个3的幂之和，由小到大依次排列成数列1，3，4，9，10，12，13，…，则此数列的第100项为 ____ 麻烦老师给解一下，分析一下~呵呵
2010-07-17 12:55 来自版块 -
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将所有3的幂，或者是若干个3的幂之和，由小到大依次排列成数列1，3，4，9，10，12，13，…，则此数列的第100项为 ____ 麻烦老师给解一下，分析一下~呵呵
2010-05-22 21:55 来自版块 -
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The earthquake and the heavy losses_____contributed to disabled this family to afford his education.A.that B.it C.what D.which看不懂~请老师给分... 全文
2010-05-21 18:35 来自版块 -
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So ,compared to ____used to be ,society is way ahead ;compared to ____it might be ,it is behind.A.what one B.what that C.one that ... 全文
2010-04-23 21:29 来自版块 -
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-----Do you know there is a saying that_____"Teach a man to fish but not give a man a fish "?------Yes, it means helping those in ... 全文
2010-04-06 18:13 来自版块 -
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Most people hold the belief that such an occasion does exist_______ a small error will lead to a disastrous consequence.A.as ...D.when选D，为什么... 全文
2010-03-29 11:54 来自版块 -
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____for the breakdown of the school computer network,Alice was in low spirits.A.Blaming B.Blamed C.To blame D.To be blamed请问老师为什么不选C啊... 全文
2010-03-16 17:56 来自版块 -
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2010-03-14 12:00 来自版块 -
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已知可导函数f（x），（x∈R）的导函数f'(x)满足f’（x）>f(x),则当a>0时，f（a）和e^af（0）（e是自然对数的底数）大小关系为______.不会做哎~~
2010-03-12 12:09 来自版块 -
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----Do you know my friend Harry?----You mean the guy who _____in America for four years.-----Yes,and later he went to Australia.A.has lived ... 全文
2010-02-26 20:45 来自版块 -
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2010-01-30 03:33 来自版块 -
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Your plan should be revised____the suggestions of other group members.A.based on B.basing on答案A。个人认为这里是做状语而不是定语。选A转化成从句，怎么转化啊?谢谢~
2010-01-26 18:11 来自版块 -
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----There's someone at the door,Mr. Bush.----Tell____I'm out.A.them B.him C.her D.it答案是A。麻烦老师给讲一下这种题该怎么做啊？什么时候用it啊？
2010-01-08 17:53 来自版块 -
2009-12-15 12:31 来自版块 -
2009-12-14 23:42 来自版块 -
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The ancient tower against the background of the setting sun presents______beautiful scenery.A./ B.a ....为什么不选B啊？不可数名词前有形容词修饰时不是要用不定冠词a吗？如a... 全文
2009-12-09 12:26 来自版块 -
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His children would be more sympathetic towards him after all he has_______.A.gone B.gone through C.looked through D.gone about为什么不选A？... 全文
2009-12-09 12:21 来自版块 -
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———Why are you crying?————I just can't help_________.A.so B.that C.it D.them选C。为什么不用A或B啊？
2009-12-07 11:53 来自版块 -
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A short,thin man,______past middle age,visited the manager and applied for the position.A.well B.much C.too D.high... 全文
2009-12-07 11:50 来自版块 -
