题目内容

There are many topics to consider and many steps to follow when wesecure our home computer.

A. 对
B. 错

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更多问题

A password givesauser access to a particular program or system.

A. 对
B. 错

Patches aresupposed to fix bugs.

A. 对
B. 错

Data encryption is the translation of data into a form that need to be decrypted when we use.

A. 对
B. 错

下列哪种纤维的耐日光性最好（）。

A. 锦纶
B. 棉
C. 羊毛
D. 腈纶