有以下函数定义：void fun(int n,double x) {…}若以下选项中的变量都已经正确定义且赋值，则对函数fun的正确调用语句是( )。
A. fun(int y,double m);
B. k=fun(10,12.5);
C. fun(x,n);
D. void fun(n,x);
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2019级《典型机械零件认识实验》实验报告，格式要求PDF版，文件名样式：“学号+姓名+班号+实验名称”。例如：14190101+王某某+141901+典型机械零件认识实验
1.在HTML文档头部标记中，使用标记的name和content属性可以为搜索引擎提供信息。设置网页关键字的name属性值应该为（ ）。
A. keywords
B. description
C. charset
D. expires
3.在HTML文档头部标记中，使用标记的name和content属性可以为搜索引擎提供信息。设置网页描述的name属性值应该为（ ）。
A. keywords
B. description
C. charset
D. expires
6.在HTML中，用于设置页面元信息的标示符是（ ）。
A.
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