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P246 第2题 若一棵度为4的树中度为2、3、4的结点个数分别为3、2、2,则该树的点的个数是多少?
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举一反三
【简答题】A.Someone who is just out of university with exaggerated ideas of his own importance. B.Someone who looks at the clock all the time. C.Someone who is single and has plenty of ambition. D.Someone who t...
【判断题】在电感电路中,提高用电器的效率应采用电容并联补偿法。
A.
正确
B.
错误
【单选题】Go and make someone laugh —______just might help them live longer.
A.
it
B.
which
C.
that
D.
they
【简答题】A.Someone who is just out of university with exaggerated ideas of his own importance. B.Someone who looks at the clock all the time. C.Someone who is single and has plenty of ambition. D.Someone who t...
【单选题】Yesterday I was just to go out _____ someone telephoned me.
A.
when
B.
while
C.
as
D.
that
【判断题】岩石在物理风化作用作用过程中,岩石的化学成分不会改变
A.
正确
B.
错误
【单选题】岩石或矿物在大气中受到温度的变化、大气和水溶液及生物作用,岩石或矿物在原地发生物理、化学变化的过程叫做 ( )
A.
剥蚀作用
B.
风蚀作用
C.
堆积作用
D.
风化作用
【判断题】在感性电路中,提高用电器的效率应采用电容并联补偿法。
A.
正确
B.
错误
【单选题】The author thought that the most important thing is the time when you are just someone's friend in life.
A.
Y
B.
N
C.
NG
【单选题】If someone just studies a few recent corporate recruitment advertisements, there will be at least one thing he or she will find common in almost all. of them. The recruiters are putting much emphasis ...
A.
team members' initiatives
B.
an individual's ability
C.
team members' relationship with leaders
D.
communication and interaction among team members
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