题目内容

In a pretest loop, the condition being tested is evaluated at the end of the repeating section of code.

A. 对
B. 错

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In the condition-controlled loops, the value of the test condition determines the execution of the repetition statements.

A. 对
B. 错

为了标记一个HTML文件,应该使用的HTML标签是()

A.


B.
C.
D.

下列选项中哪种图片格式不是网页中常用的()

A. .jpg
B. .png
C. .tif
D. .gif

网页文件的扩展名为

A. TXT
B. DOC
C. HTML
D. GIF

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