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问题 问答题

为了防盗，居民在自家的大门上装上了“猫眼”，“猫眼”的作用是使室内的人能看清室外的人，而室外的人无法看清室内的人。“猫眼”是什么光学元件，它的原理是什么？

答案

“猫眼”是一内凹透镜，凹透镜能成正立、缩小的虚像。（答案合理即可）

阅读理解

Every year there is the Spring Festival in China. Usually it is in January(一月)or February（二月）. It is the most important festival in China. So before it comes, everyone has to prepare things. They buy pork, beef, chicken, fruit and many other things. And they often make a special(特别的) kind of food called “dumplings”. It means “come together” in Chinese. On the day before the festival, parents buy new clothes for their children and children also buy presents for their parents. On Spring Festival’s Eve, all the family members come back to their home. This is a happy moment. They sing, dance and play cards. Others get the dinner ready. When they enjoy the meal, they give each other the best wishes for the coming year. They all have a good time.

小题1:        is the most important festival in China?

A．Mid-autumn Day

B．The Spring Festival

C．Children’s Day

D．Teachers’ Day小题2:The Chinese usually have their Spring Festival in        .

A．January or February

B．January or March

C．summer

D．autumn小题3:What’s the special kind of food for the Spring Festival in China?

A．Cakes.

B．Pudding.

C．Hotdog

D．Dumplings.小题4: The food “dumplings” means “       ”.

A．be delicious

B．be hungry

C．come together

D．be happy小题5:When they are having dinner on Spring Festival’s Eve, the Chinese    .

A．eat Candy

B．eat moon cakes

C．never drink

D．give each other the best wishes
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单项选择题

集装箱基本运价指（）在等级公路上运输的千米运价。

A.集装箱空箱

B.集装箱重箱

C.标准集装箱拼箱

D.标准集装箱重箱
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