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12、Research indicates that lung cancer ___ smoking.

 A.contributes to      B.results from       C.attends to        D.devotes to

12、B

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科目:高中英语 来源: 题型:

Research indicates that lung cancer ___ smoking.

 A.contributes to      B.results from       C.attends to        D.devotes to

查看答案和解析>>

科目:高中英语 来源: 题型:

Research indicates that lung cancer ___ smoking.

A.contributes to       B.results from           C.attends to           D.devotes to

查看答案和解析>>


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