Dr. Mann is now in Cambridge, writing a book on the ________

Dr. Mann is now in Cambridge, writing a book on the ________。

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Which of the following can be called as a “lame duck” ?

Which of the following can be called as a “lame duck” ?A.A disabled little chil

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·pollution control needs the support of technology and techn

·pollution control needs the support of technology and techniques?

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我国西部地区的优势条件不包括(  )

我国西部地区的优势条件不包括(  )A.矿产资源丰富 B.旅游资源丰富 C.人力资源丰富 D.土地资源丰富

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