Scientists study ____ human brains work to make computers._刷题宝

题干

Scientists study ____ human brains work to make computers.

A：when

B：how

C：that

D：whether

上一题下一题 0.0难度选择题更新时间:2016-01-05 05:20:28

答案(点此获取答案解析）

B

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