【題目】Sometimes opium(鴉片)can be used to __________ some diseases. But some people are __________ to it. TTien it becomes a drug.

A. cure ； addicted

B. curing ； crazy

C. cure ； addictive

D. curing ； lost

【答案】A

【解析】句意：有時(shí)鴉片能用來治病，但有些人上癮了，然后鴉片就成了毒品。be used to do sth. 被用來做某事。

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