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【简答题】

毛线衫( )

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题目标签:线衫
参考答案:
参考解析:
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刷刷题刷刷变学霸
举一反三

【单选题】冬天当我们脱毛线衫时,静电经常会跟你开开小玩笑.下列一些相关的说法中正确的是( )

A.
在将外衣脱下的过程中,内外衣间摩擦起电,内衣和外衣所带的电荷是同种电荷
B.
如果内外两件衣服可看做电容器的两极,并且在将外衣脱下的某个过程中两衣间电量一定,随着两衣间距离的增大,两衣间电容变小,则两衣间的电势差也将变小
C.
在将外衣脱下的过程中,内外两衣间隔增大,衣物上电荷的电势能将增大(若不计放电中和)
D.
脱衣如果使人体带上了正电,当触摸金属门把时,人所带的正电荷会通过金属门把流入大地,从而造成对人体轻微的电击

【单选题】B Many people like to make a good impression on other people. This is true when they go to a meeting or go out with their friends. Dressing well is one of the ways of making a good impre...

A.
Ball-dresses arc suitable for class.
B.
American people like to wear sweaters and shirts.
C.
American school girls usually wear plain clothes.
D.
American people learn to dress as the Romans do.