【单选题】【消耗次数：1】
抽样应遵循的原则是?
①
随机原则
②
准确性原则
③
系统原则
④
及时性原则
参考答案：
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相关题目
【多选题】
控制的及时性原则是要求（ ）
①
及时准确的提供控制所需要的信息
②
控制纠偏工作的安排应有一定的预见性
③
控制工作必须围绕既定的目标展开
④
控制工作必须针对关键项目进行
⑤
控制工作必须具有一定的弹性
随机题目
【单选题】
The train ____by the time Mr. Black arrived.
①
leaving
②
had left
③
left
④
having left
【单选题】
3.—____ I put my coat here? —Sorry, you ____.
①
May--mustnt
②
Do--dont
③
Can--neednt
④
May--cant
【单选题】
15. She had ____ to do, so she was free.
①
something
②
anything
③
everything
④
nothing
【单选题】
The students were all entertained in a Mexican restaurant, at Professor Brians ____.
①
money
②
pay
③
expense
④
loss
【单选题】
17. A survey was carried out on the death rate of new-born babies in that region, ____were surprising.
①
as results
②
which results
③
the results of it
④
the results of which
【单选题】
Every morning Mr. Smith takes a ____walk to his office.
①
20 minute
②
20 minutes
③
20-minutes
④
20-minute
【单选题】
20. She never sang, ____ dance.
①
or she ever did
②
or did she ever
③
nor did she ever
④
nor she ever did
【单选题】
He was ____ in his work and didn’t hear me come in.
①
critical
②
logical
③
typical
④
absorbed