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They form a polar molecule, is, with a slightly positive end and a slightly nega

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They form a polar molecule, is, with a slightly positive end and a slightly nega

They form a polar molecule, ____ is, ____with a slightly positive end and a slightly negative end.

A.which; that

B.it; one

C.that; one

D.one; that

 

试题答案

【答案】

C

【解析】略