如图所示,某区域电场线左右对称分布,M、N为对称线上的两点. 下列说法正确的是( )

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A：M点电势一定低于N点电势

B：M点场强一定大于N点场强

C：正电荷在M点的电势能大于在N点的电势能

D：将电子从M点移动到N点,电场力做正功

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C

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阅读短文，完成表格。

Good morning. This is the world weather report. It's warm in Beijing today. Children can play football outside. It's cold in New York. And it's snowy. Children can make a snowman. It's cool in Toronto. Children can fly a kite. It's hot in Sydney. Children can swim in the sea.

City(城市)	Weather(天气)	What to do (做什么)
Beijing	____	____
New York	____	____
Toronto	____	____
Sydney	____	____

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