It's fortunate, according to the author, that nowadays antivirus software, firewalls, and intrusion detection systems are installed effectively to prevent the computer from being attacked.
查看答案
In the author's opinion, security problemsshould be examined carefully by the software designer so that serious bugs can be identified automatically and the computer is made nearly hacker proof.
A. 对
B. 错
What the author is concerned is that a more important problem lies in human beings themselves rather than the advanced security technology equipped in the computer.
A. 对
B. 错
1、以下哪些国家会避免过多的直接目光接触:
A. 中国
B. 日本
C. 菲律宾
D. 加拿大
2、以下哪些国家,与他人交谈或人打招呼时,会目视对方、正视对方:
A. 美国
B. 阿拉伯
C. 印度尼西亚
D. 英国