【判断题】若要使机构有急回特性,极位夹角大于0°。
【单选题】According to the author of the passage,_________
A.
life is really a long journey of joy for rich children.
B.
the rich children feel greatly satisfied with the property they inherit from their parents.
C.
it is most important for wealthy parents to make sure that their families are rich in love as well as in money.
D.
today all the wealthy parents are sure of the problems their money can bring about.
【单选题】制造商在某一地区通过最合适的几家中间商分销其产品。这种分销策略是(..)
【单选题】真核生物中编码哪种蛋白质的mRNA不具有poly(A) 尾
【单选题】Can you tell me ____? [ ]
A.
what life will be like in the future
B.
what will life be like in the future
C.
how life will be like in the future
D.
how will life be like in the future
【单选题】Can you imagine ________ in the future? [ ]
A.
how will our life like
B.
what will our life like
C.
what will our life be like
D.
what our life will be like
【判断题】标准化程度高的产品适合采用广泛的间接渠道开展分销;标准化程度低的、个性化产品只适合采用直接渠道分销。
【简答题】如图中,a图所示的是一个风扇固定在小车上,当风扇向左吹风时,小车会向右运动;b图所示的是福娃贝贝和妮妮正在运动会上参加赛艇比赛时向后划水,赛艇向前运动的情景。上述两个事例所运用的相同物理原理是_______。