题目内容

A password givesauser access to a particular program or system.

A. 对
B. 错

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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

下列哪种纤维的强度最好( )。

A. 锦纶
B. 棉
C. 蚕丝
D. 氨纶

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