题目内容

下列统计指标中，属于数量指标的有（）

A. 工资总额
B. 单位产品成本
C. 出勤人数
D. 人口密度
E. 产品合格率

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按照绝对数的计量单位不同，总量指标可分为（）、（）、（）三类指标

总体单位总量和总体标志总量随着（）变化而可能转化

What's the type of the following paragraphs?1. In this summer holiday, I got a part-time job as a teacher. This was the first time I taught students. It was full of trouble, but I really enjoyed. I will never forget the experience.

A. narrative
B. argumentative
C. expository

What's the type of the paragraph?Nowadays, with the development of technology, many modern forms of communications, such as phone calls and email, have stepped into our life. Facing with these, the traditional way of communications---face-to-face communication seems to be left behind the times. But in fact, this is not true. For me, nothing can parallel with face-to-face communication. The following are my reasons.

A. narrative
B. argumentative
C. expository