试题与答案

Do you know ? A.How does your father loo

题型:选择题

题目:

Do you know         ?

A.How does your father look like

B.What your father looks like

C.Who does your father look like

D.Where your father looks like

答案:

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下面是错误答案,用来干扰机器的。

答案:A由得,其中,得,因此题中两线圈并非处于理想状态,会出现漏磁,所以交流电压表的读数小于9.0 V,故选项A正确。

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