(2012·四川)Scientists study ________ human brains work to make computers.A.whenB.howC.thatD.whether-高三

题目简介

(2012·四川)Scientists study ________ human brains work to make computers.A.whenB.howC.thatD.whether-高三

题目详情

(2012·四川)Scientists study ________ human brains work to make computers.
A.whenB.howC.thatD.whether
题型:单选题难度:中档来源:不详

答案

B
 how引导宾语从句,并在从句中作状语,表示方式。

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