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You should _______________ to one or more weekly magazines such as Time or Newsweek.

— ___________________

— Once or twice a week.

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

Our success _______ whether everyone works hard or not.( )
压力容器的设计压力,是指在相应设计温度下用以确定容器壳体______的压力,亦即标注在铭牌上的容器设计压力,其值不得小于最大工作压力。
渐开线齿廓基圆上的压力角( )。
Morning or afternoon. It makes no _______ to me.
Whether we will go or not __________ the weather.
Which ________ do you prefer, coffee or orange juice?
形成齿轮渐开线的圆是________。
Tables______ of stones or wood.
Without water, _________ no plants or animals.
减小基圆半径,直动平底从动件盘形回转凸轮机构的压力角______。
渐开线齿廓在基圆上的压力角为______。
I am wondering if they are ____ or____.
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
__________ is the act performed by or resulting from saying something; it is the consequence of, or the change brought about by the utterance.
Many boys enjoy _______ football, basketball or baseball
Which do you think is ________, health or wealth?
_______________will not continue if an ongoing operation is changed or deletedA、
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