搜题请搜索小程序“爱下问搜题”
问题 多项选择题

下列说法符合工作报告写作要求的是( )。

A．适宜采用概括叙述的表达方式，避免描述事情的细枝末节或罗列数字

B．中心明确，重点突出

C．报告内容应有新意

D．点面结合，实事求是

答案

参考答案：A,B,C,D

单项选择题 A3/A4型题

不同职业人群的表面抗原阳性率见下表：

3组人群阳性率比较的χ检验中，备择假设是（）

 

A.π1=π2=π3

B.P1=P2=P3

C.π1、π2、π3全不等

D.P1、P2、P3全不等

E.π1、π2、π3不全相等
查看答案
问答题

(A) 条件(1)充分，但条件(2)不充分．
(B) 条件(2)充分，但条件(1)不充分．
(C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
(D) 条件(1)充分，条件(2)也充分．
(E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

A certain car dealership has two locations. Last month, an average (arithmetic mean) of 11 cars per salesperson was sold at location A and an average of 16 cars per salesperson was sold at location B. What was the average number of cars sold per salesperson at this dealership last month
(1) Last month, the number of salespeople at location A was 3 times the number of salespeople at location B.
(2) Last month, the total number of cars sold at location A was 132, and the total number of cars sold at location B was 64.
查看答案