名著阅读。

In England ,people don't often talk to each other when they travel. If you get on a bus or a train. you can see people sitting and looking out of the window. Other people may read books or newspapers.
When you meet English people, they often start a conversation by talking about the weather . So when you meet somebody in England, you can say, "Nice weather for the time of the year!"
"But it was a little cold yesterday, "somebody may answer.
"But it will get a bit warmer later,"you can say.
Talking like this, they will think,"How friendly you are!"

在日常生活中，如果将深颜色的衣服和浅颜色的衣服浸泡在一起洗，可能会使浅色衣服染上深颜色，这其中的主要原因是深色染料中的

一个正点电荷的电场线分布如图所示，A、B是电场中的两点，A点距离正点电荷较近，用E_A和E_B分别表示A、B两点电场强度的大小，φ_A和φ_B分别表示A、B两点的电势，则E_A和E_B的大小关系是E_A____E_B，φ_A和φ_B的高低关系是φ_A____φ_B．