[题目]The doctor thought the medicine was perfect.but it didn't the disease at all.A．work outB．solveC．do D．have an effect on 题目和参考答案——青夏教育精英家教网—

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【题目】The doctor thought the medicine was perfect，but it didn't ________the disease at all.

A．work out

B．solve

C．do

D．have an effect on

【答案】D

【解析】work out意为“解出；解决”；solve意为“解决”；do意为“做；可以；行”；have an effect on意为“对……有影响；对……起作用”。根据句意应选D项，表示“对这病根本不起作用”。

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