【单选题】【消耗次数：1】
项目的“一次性”的含义是指
①
项目持续的时间很短
②
项目有明确的开始和结束时间
③
项目在未来的一个不确定的时间结束
④
项目可以在任何一个时间被取消
参考答案：
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相关题目
【单选题】
测定某一定额项目的基本工作时问为6min，辅助工作时间是基本工作时间的12％，准备与结束时间、休息时间和不可避免的中断时间各占作业时间的15％、10％和5％，则该项目的定额时间是( )min。
①
8.736
②
8.52
③
8.425
④
8.353
随机题目
【单选题】
I haven’t seen her for years, but I could still ____ her voice on the phone.
①
recognize
②
realize
③
hear
④
know
【单选题】
As I knew him better, I discovered that my____ had been right.
①
enjoyment
②
improvement
③
impression
④
environment
【单选题】
His explanation is not at all clear. I find it ____.
①
essential
②
confusing
③
awful
④
puzzled
【单选题】
Things never went _____ as we had expected
①
so smoothly
②
smooth
③
so smooth
④
smoothly
【单选题】
Everyone of them _______ tired and wanted a good rest.
①
seems
②
is seemed
③
was seemed
④
seemed
【单选题】
Peter: How about going to the movies tonight then?Mary: ____
①
I don’t know.
②
The movie is very interesting.
③
That sounds good.
④
The movie is very boring.
【单选题】
John was going to _______ Mary by telling his friends how much weight she had gained.
①
essential
②
embarrass
③
elementary
④
consider
【单选题】
The classroom is quite clean ____ some waste paper on the floor.
①
without
②
besides
③
except
④
except for