如图所示，空间有一水平匀强电场，在竖直平面内有一带电微粒以一定初速度沿图中虚直线由O运动至P，关于其能量变化情况的说法，正确的是(   )

如图①，△ABC与△CDE是等腰直角三角形，直角边AC、CD在同一条直线上，点M、N分别是斜边AB、DE的中点，点P为AD的中点，连接AE、BD．

函数$f\left(x\right)=e^x+x-2$($e$为自然对数的底数)的零点个数为（    ）

    This is not a diet. It's a simple way to lose weight. And you don't even have to give up the food you love or join a gym (健身房). You just follow some habits that thin people have. Keep them, and you'll become thin.
    A. Wake-up
    When you wake up in the morning, sit up slowly without using your hands. With legs straight out, bend(弯曲) forward until you feel sore（酸痛） in your back. It will bum about 10 calories.
    B. Start with soup
    When you have a meal, order a clear soup, and have it before having the main food. In this way, you'll feel fuller, so you'll eat less when the main food comes.
    C. An apple (or more) a day
    Apples are full of fiber and water, so your stomach will want less. The study shows that people who eat at least three apples a day lose weight.
    D. Stand up and walk around
    Every time you use the mobile phone, stand up and walk around. Heavy people sit on average (平均）two and a half hours more each day than thin people. This skill is very important as standing up and walking around will bum 50 0r more calories.
Use these skills, and you will have a big weight loss.