如图所示，闭合开关，先将导体 ab 水平向右移动，导体cd 也随之运动起来。下列说法错误的是( )_刷题宝

题干

如图所示，闭合开关，先将导体 ab 水平向右移动，导体cd 也随之运动起来。下列说法错误的是( )

A：实验装置中的甲装置产生的现象在生活中的应用是发电机

B：实验装置中的乙装置产生的现象在生活中的应用是电动机

C：假如与开关串联一个电流表，我们能看到开关闭合后，不管导体 ab 如何移动，电流表的示数将保持不变

D：如果回路均为超导材料制成，且导体 ab 与 cd 之间距离足够大，当回路中产生感应电流后，同时撤去两蹄形磁体，则回路中电流很长时间不消失

上一题下一题 0.0难度选择题更新时间:2018-11-30 11:20:08

答案(点此获取答案解析）

C

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下列生命活动中，植物和动物细胞都具有的是（）

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A man lived in a village. ____. The cat couldn't run fast, and she couldn't bite, because she was so old. One day, when she saw a mouse, she jumped and caught it. ____. The mouse got out of her mouth and ran away.

____ and began to beat the cat. The cat said, “____. I know I'm old and can't kill a mouse. But I have worked for you for many years, and I still want to work for you. ____, and remember what good work they did when they were young.”

When the man heard that, he realized that he was wrong.

A. Then the man became very angry

B. Be kind to the old

C. But she could not bite it

D. The man was very happy

E. Don't beat your old servant

F. He had an old cat at home

G. You're a bad man

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邓小平同志指出：“运用人民民主专政的力量，巩固人民的政权是正义的事情，没有什么输理的地方。”人民民主专政的本质是

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过去人们一直通过写信互相交流。

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