【单选题】【消耗次数：1】
项目的“一次性”是指（ ）。
①
项目没有确定的开始和结束时间
②
项目有确定的开始和结束时间
③
项目在不确定的时间结束
④
项目可以在任何时候取消
参考答案：
复制
纠错
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】
When father was young, he ______from morning till night.
①
was made work
②
was made working
③
made to work
④
was made to work
【单选题】
Well go for a picnic if it ________tomorrow.
①
isnt going to rain
②
wont rain
③
doesnt rain
④
isnt raining
【单选题】
I forgot to return the book to you yesterday. So I _____________today.
①
might do it
②
must do it
③
had to do it
④
must have to do it
【单选题】
She wonders ____will happen to her private life in the future.
①
that
②
it
③
this
④
what
【单选题】
Tom is so talkative. Im sure youll soon get tired _______ him.
①
of
②
with
③
at
④
on
【单选题】
Its reported that a new hospital _____________here next year.
①
would be set up
②
was going to set up
③
will be set up
④
is going to set up
【单选题】
If the doctor had been available, the child ____________.
①
would not die
②
could not have died
③
might not die
④
should not have died