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It is thought that meteories (陨星)may hol...

It is thought that meteories (陨星)may hold clues about the ________of life on Earth .

A.origin

B.reserve

C.basis

D.evidence

 

A 【解析】这题考查名词词义的辨析:origin起源,reserve 保留,basis基础,evidence证据,句意是:大家认为陨星会有些关于地球生命起源的证据。选A。
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