题目内容

假设有，如果浏览器不支持HTML5的

A. 页面上只会显示音频控件，不会显示

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在HTML5音频的应用中，autoplay属性可以为

A. 对
B. 错

14.Which of the following is a fundamental underlying infrastructure for any IT environment?

A.Metadata
B.Cache
C.Network
D.Primary key

15.Which of the following refers to two or more computers sharing information, software, peripheral devices, and processing power?

A.Cold site
B.Network
C.Rootkit
D.Cache