Scientists have discovered a close______between smoking and several serious diseases.

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问题 Scientists have discovered a close______between smoking and several serious diseases.

选项 A、action
B、connection
C、union
D、combination

答案B

解析 B项意为“联系”，符合上下文的意思。

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考博英语

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Scientists have discovered a close______between smoking and several serious diseases.

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Aroundtheworldmoreandmorepeoplearetakingpartindangeroussportsandactivities.Ofcourse,therehavealwaysbeenpeopl

Byeducation,Imeantheinfluenceoftheenvironmentupontheindividualtoproduceapermanentchangeinthehabitsofbehavio

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