My mother told me ______my ideas _____ my classmates.
A:share, with
B:to share, with
C:sharing, to
D:share,to
如图为某花的结构示意图,对该图描述正确的是( )
已知两个共点力的合力为50N,分力F1的方向与合力F的方向成30°角,分力F2的大小为30N。则( )