题目内容

螺栓连接分为普通螺栓连接和高强度螺栓连接

A. 对
B. 错

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Directions: You are going to read a passage with 10 statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph more than once. Each paragraph is marked with a letter.A woman's courage: Bringing yoga to men

查看文件的扩展名,可以选择鼠标右键?

A. 打开
B. 重命名
C. 复制
D. 属性

以下扩展名描述不正确的是:

A. .com:系统命令文件
B. .exe:可执行文件
C. .txt:系统文件
D. .bak:备份文件

文件名中可以包含的字符是:

A. 星号
B. 句号
C. 冒号
D. 大于符号