题目内容

Which statements does C provide to construct loops?

A. if statement
B. if-else statement
C. while statement
D. for statement
E. do-while statement

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更多问题

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

A. 对
B. 错

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

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