18、Research indicates that lung cancer ___ smoking.

A.contributes to       B.results from           C.a(chǎn)ttends to           D.devotes to

18、B

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科目:高中英語 來源: 題型:

Research indicates that lung cancer ___ smoking.

 A.contributes to      B.results from       C.a(chǎn)ttends to        D.devotes to

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科目:高中英語 來源: 題型:

Research indicates that lung cancer ___ smoking.

A.contributes to       B.results from           C.a(chǎn)ttends to           D.devotes to

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