题干

A、B是两个轻质泡沫小球,C是用毛皮摩擦过的橡胶棒,A、B、C三者之间相互作用时的场景分别如图甲、乙、丙所示,由此判断(  )

A:小球A可能不带电

B:小球B可能不带电

C:小球A一定带正电

D:小球B一定带正电

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B

同类题3

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    The English language has many ways to talk about something that is funny. ____ It is a basic human need. Physical humour, especially, can cross limits like nationality and language and bring people together from all different walks of life.

    Humour comes in many forms. The most obvious and traditional way we use humour is in jokes. ____ This is when a person changes a word or uses it in a different context(上下文) for comic effect.

    Another way people can use humour is through telling a funny story. Perhaps something bad happened to the person but they can laugh about it now. People also invent funny stories in order to make people laugh. The advantage of this is that the characters aren't real. ____ 

    Physical comedy usually divides opinions. For some, seeing someone fall down, whether it is planned or not, is one of the funniest things they can see. ____ Some types of humour can also be harmful if someone is not in the mood for being made fun of!People's senses of humour vary across the world, so what may be funny in your country might be incredibly harmful in another!

    ____ The British, for instance, are famous for their humour in English. However, people learning a foreign language face much difficulty when it comes to being funny in a second language.

A. Humour is just one of the ways.

B. Everyone needs to laugh once in a while.

C. Other forms of humour are word play and puns(双关语).

D. Therefore, you don't have to feel bad for laughing at them!

E. People of all ages and cultures have a strong sense of humour.

F. Most people know how to use some form of humour in their native languages.

G.For others, finding physical humour and non-serious accidents funny seems cruel.