题目内容

Data warehouse is a single source of information to understand different subjects.

A. 对
B. 错

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Data warehouse only contains current information.

A. 对
B. 错

New antivirus software is always more effective in defending virus attack.

A. 对
B. 错

Hackers sometimes can disguise themselves as internal users and attack your system undetected.

A. 对
B. 错

C语言中字符串常量尾部有()字符，代表串结束。

A. '\n'
B. '\a'
C. '\0'
D. '\t'