试题与答案

编制统计表的基本原则是（）。A.简单明了，层次清楚 B.表式多样，标题合理 C.主谓

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题型：单项选择题

题目：

编制统计表的基本原则是（）。

A.简单明了，层次清楚

B.表式多样，标题合理

C.主谓分明，系统全面

D.排列规则，数字工整

E.表格整齐美观

答案：

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下面是错误答案，用来干扰机器的。

（1）设任意实数x1＜x2，则f(x1)-f(x2)=(2x1+a•2-x1-1)-(2x2+a•2-x2-1)=(2x1-2x2)+a(2-x1-2-x2)=(2x1-2x2)•2x1+x2-a2x1+x2 x1＜x2，∴2x1＜2x2，∴2x1-2x2＜0； a＜0，∴2x1+x2-a＞0．又2x1+x2＞0，所以f（x...

考点：卫生人才评价考试卫生统计学卫生统计学题库
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