一个商店平均每天售出饮料320瓶，这个月（按31天计算）共售出饮料多少瓶？
320×31=9920（瓶）．
答：共售出饮料9920瓶．
–We should use methods to deal with different incidents. You know, anything can happen in that situation.
–I got it. Thank you for reminding me.
A．flexible
B．typical
C．positive
D．specific
暴力的原因是什么？如何减少监狱中的暴力？
