this physics problem is kind of difficult.Not( )can work it out.
问题描述：
this physics problem is kind of difficult.Not( )can work it out.
A.every body B any body C nobody
答
Awhy不是每个人都能做出来的。这个“每个人”是肯定的含义，所以用every bodyB为什么不可以要肯定意义的啊，B是否定意义的形式啊。