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( )
-2的相反数是（ ）
⑴After I get up, I brush my teeth.
⑵Before I have breakfast, I wash my face and hands.
⑶After I have breakfast, I walk to school.
⑷Before I have dinner, I do my homework.
⑸After dinner, I watch TV.
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