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(单选题)

Chondrites are stony meteorites ______ modified due to melting or differentiation of the parent body.

A.which is not

B.that have not been

C.that has not been

D.that has not

参考答案:B

参考解析:

考查关系代词that引导的定语从句。句意:球粒陨石是未因母体熔融或分化而改性的石质陨石。定语从句谓语要与先行词保持一致,先行词为meteorites,复数,从句谓语用复数,排除A、C和D,故选B。

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