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Hawking is known _________ the greatest scientist alive.

A. of B. for C. as D. to

C

【解析】

试题分析:考查介词辨析。句意:霍金被认为是在世的最伟大的科学家。A......的;B为,给;C作为;D到,向。be known as...作为......而出名,be known for...因为......而出名,故选C。

考点:考查介词辨析

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