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    精英家教网 > 高中英语 > 题目详情
    Scientists study ___________ human brains work to make computer.
    A．whenB．howC．thatD．whether
    B

    试题分析：连词辨析。A当…时；B如何；D是否；句意：为了生产计算机，科学家在研究人脑是如何工作的。故B正确。
    考点:考查连词辨析
    点评：不同的连词要放在上下文中进行辨析和理解，同时要注意同一个连词的一词多义现象。
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