—__________.
A:Not mind
B:Certainly not
C:OK
D:I can't stand them
﹣3的绝对值是( )
如图所示,用一根结实的绳子在两根光滑木棒上绕几圈,一小朋友用力一拉,两位大力士竟撞在一起了.这幅漫画表明了____.