A:with
B:of
C:about
如图所示,A、B为完全相同的两个容器,分别盛有7cm、5cm深的水,A、B之间用导管连接.若将阀门K打开,最后A、B两容器底部受到水的压强之比为( )
of the children likes the movie because it's too boring.
关于生物多样性的说法,错误的是( )