题目内容

如题51图所示，写出"文件夹选项”对话框中做标记的元素名称。

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对Excel数据清单进行分类汇总之前，对分类汇总的______进行排序，然后数据汇总。

Task Sheet One
A WHAT IS IMPORTANTWHEN...？
Interviewing candidates for a job
- Personal qualities
- Qualifications
B WHAT IS IMPORTANT WHEN... ？
Conducting market research
- Competition
- Characteristics of sample
C WHAT IS IMPORTANTWHEN...？
Organising a training programme
- Availability
- Costs
Task Sheet Two
A WHAT IS IMPORTANTWHEN...？
Planning a career
- Qualifications
- Future trends
B WHAT IS IMPORTANT WHEN... ？
Choosing a new supplier
- Product quality
- Costs
C WHAT IS IMPORTANTWHEN...？
Delegating tasks
- Priorities
- Previous experience

在Excel工作表中，A1、A2、B1、B2单元格中内容分别为2、4、“李丽”和6，在C1单元格输入公式“=AVERAGE（A1:B2）”,则C1单元格显示________。

以太网帧的长度最小字节数为 64，最大字节数为 1518。