亚致死损伤修复时间为()
A.1~2h
B.2~3h
C.3~4h
D.4~8h
E.8~10h
参考答案:D
解析:亚致死损伤修复时间为6h。
Children shouldn't watch _______ TV. [ ]
A. too many
B. too much
C. much too
D. many
包过滤型是基于()的防火墙
A.协议层
B.网络层
C.应用层
D.传输层