防火墙一般采用“所有未被允许的就是禁止的”和“所有未被禁止的就是允许的”两个基本准则，其中前者的安全性要比后者高。
1、正确正确
暂无解析
Itisonlyinviewofourlongfriendlybusinessrelationsthatwe____youthisaccommodation.
Thereis______littleinformationabouthimthatwehave______muchdifficultyfindinghim.
Theway____(他们被对待)hurttheirfeelings,intheopinionofme.
Theforeigners_________there,butthey_________thefoodthereatfirst.
Whoistheman____(你刚才在操场和他握手)?
