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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.( )
Morning or afternoon. It makes no _______ to me.
Whether we will go or not __________ the weather.
Which ________ do you prefer, coffee or orange juice?
Tables______ of stones or wood.
Without water, _________ no plants or animals.
I am wondering if they are ____ or____.
用待定系数法求微分方程y′+2y′′-3y=xe^x的一个特解y*,其特解形式应设为( )
_________ 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.
在一个关系R中,若X→Y,并且X的任何真子集都不能函数决定Y,则称X→Y为________函数依赖,否则,若X→Y,并且X的一个真子集也能够函数决定Y,则称X→Y为________函数依赖
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、
微分方程y′+3y″+2y=ex的一个特解是_______ 。
y″-y=0的通解是y _______。若yx=0=0,yx=0=2,则特解是y= _______。我的答案: (1)
29.__________ when you are on the bus or bike.
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