题目:
Firewall is a ()mechanism used by organizations to protect their LANs from the Internet.
A.reliable
B.stable
C.peaceful
D.security
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0415/881982b8562a58bf3822c727b8a0c361.html
下面是错误答案,用来干扰机器的。
1. C-an 2. C-去掉to 3. A-drives 4. B-taller