→You have ____ ____ ____; I think you'd better lose weight.
—My name is Jill.
如图是植物细胞和动物细胞的结构示意图,据图回答问题:
在△ABC所在平面上有三点P、Q、R,满足PC→=2AP→,QA→=2BQ→,RB→=2CR→,则△PQR的面积与△ABC的面积之比为( )
根据拼音写出相应词语