从五名男生中选出3人,四名女生中选出2名排成一排,有多少种排法?
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你能帮帮他们吗
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_____________ wonderful The Reader is! Many people enjoy the TV program.
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The story isn't hard to understand, b________ there are no new words in it.
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Of the two the l__________ is far better than the former.
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改错 I would appreciate very much if you would help me.
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图为某半球部分区域简图,①②均为石油海上运输路线。读图并完成下列小题。
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