如图，在直角坐标系xOy中，矩形OABC的顶点A、C分别在x轴和y轴正半轴上，点B的坐标是（5，2），点P是CB边上一动点（不与点C、点B重合），连结OP、AP，过点O作射线OE交AP的延长线于点E，交CB边于点M，且∠AOP=∠COM，令CP=x，MP=y．

— Jack, what would you like to eat now?

— Oh, mom. I don't feel like ________ anything now. I'm so tired.

Xiaohong bought a digital camera online ______ she could save a lot of time.

我国的最高国家权力机关是（　）