Scientists study ___________ human brains work to make computer.A．whenB．howC．tha

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Scientists study ___________ human brains work to make computer.

A．when

B．how

C．that

D．whether

答案

解析

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。

举一反三

Today,_________ rapid transportation and communication , the whole world seems to be smaller.

A．regardless of

B．in spite of

C．instead of

D．because of

题型：不详难度：| 查看答案

I will not go to her birthday party ___________ I am invited.

A．as if

B．only if

C．even if

D．if only

题型：不详难度：| 查看答案

______ he has made up his mind, no one can make him change it.

A．Once

B．Unless

C．Until

D．As

题型：不详难度：| 查看答案

We were ______ surprised at the news that we couldn’t say anything.

A．so

B．much

C．very

D．quite

题型：不详难度：| 查看答案

I arrived half an hour earlier ______ I had time to talk with him before the meeting.

A．as soon as

B．as a result

C．in order to

D．so that

题型：不详难度：| 查看答案