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【简答题】
什么是统计分组？统计分组的作用是什么？
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反馈参考答案：
举一反三
【单选题】All people in the working-age population can be divided into
A.
labor force participants.
B.
employed, unemployed, or not in the labor force.
C.
either over-employed or under-employed.
D.
potential employees.
【简答题】黄山南坡的森林中的植物构成了（ ）
【单选题】在VFP中,现对有10条记录的表进行操作,当前记录号为4,执行list Next 3(回车)后,所显示记录的序号是( )。
A.
4~7
B.
4~6
C.
5~7
D.
5~8
【单选题】The workers in the factoryhope that, at the meeting which is to be held next week, an agreement can bereached between their representatives and their boss over increasing wages andimproving working co...
A.
due
B.
near
C.
final
D.
close
【单选题】Over-working can be a _______ on both body and mind. (2015-27)
A.
task
B.
Burden
C.
bother
D.
weight
【单选题】Over-working can be __________ on both body and mind.
A.
task
B.
burden
C.
bother
D.
weight
【单选题】A new bridge over the river now ,You can see many railway workers and engineers working every day．
A.
is built
B.
is being built
C.
has been built
D.
should be built
【简答题】Summer vacation is over. How many of you have burned the midnight oil to finish your homework over the last few days? 1. _______________ Or do you start working on your homework right away when you ge...
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