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【題目】This is a complex operation. A team of nurses _____ the doctor in performing the operation.

A. trained B. assisted C. interviewed D. added

【答案】B

【解析】考查動詞。assisted協(xié)助，句意：這是一個復雜的手術(shù)，一隊的護士在協(xié)助醫(yī)生進行手術(shù)。

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