题目内容

在C语言中,显示器是()。

A. 标准输入文件
B. 标准输出文件
C. 标准错误文件
D. 标准空文件

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执行成功时返回值为0的函数是()。

A. fopen
B. fclose
C. fgets
D. fputs

Modern manufacture keeps advancing with the fast popularization of personal computers and the Internet .

CAD software should be certified to run on any graphics (驱动)of operating systems .

The former is used to carry the heavy computational load for solid modeling and storage

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