What has recent research found about drinking?A.Alcohol helps develop people"s intelligenc

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What has recent research found about drinking?

A.Alcohol helps develop people"s intelligence.

B.Heavy drinking is not necessarily harmful to one"s health.

C.Controlled drinking helps people keep their wits as they age.

D.Drinking, even moderately, may harm one"s health.

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热搜:a是b的充分条件,b是a的必要条件吗