A:cooking, cook
B:cook, cooking
C:cook, cook
D:cooks,cook
如图,OA=OB=6cm,线段OB从与OA重合的位置开始沿逆时针方向旋转120°,在旋转过程中,设AB的中点为P(当OA与OB重合时,记点P与点A重合),则点P运动的路径长为( )
补写句子
Someone thinks if they have much money, they will have happiness. However, other people's opinions are t____ different.