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【单选题】
以下关于需要层次理论的说法中正确的有( )。A.
人的需要有三个层次：即生理需要、安全需要、爱和归属的需要
B.
无论从进化的角度还是从个体发展的角度来看，层次越高的需要出现的越晚
C.
层次较低的需要直接关系到个体的生存，所以又叫生长的需要
D.
层次较高的需要有益于健康长寿和精力旺盛，所以又叫缺失的需要
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举一反三
【单选题】Revive Beverage Company (RBC) is considering buying new bottling equipment for its factories. It will take one year to order and install the equipment. The second year they will gain $2 million in r...
A.
4.85 million and 6%
B.
4.65 million and 7%
C.
4.35 million and 8%
D.
All of these combinations are profitable.
【单选题】For Ethiopia and Sudan, it is the second bad year _______ (and the third bad year in four).
A.
in turn
B.
in time
C.
in a row
D.
in the end
【单选题】It is his third ____ with the law in less than a year.
A.
meeting
B.
brush
C.
bush
D.
accident
【单选题】The first time I ________ here, it was the year of 1980; this is the third time that I _________ to Chongqing.
A.
came; had visited
B.
had come; visited
C.
came; have visited
D.
had come; have visited
【单选题】It is the third time that he ____ abroad on business this year.
A.
goes
B.
went
C.
has gone
D.
go
【简答题】为减少蒸汽中硅酸盐的含量，在运行中锅水应呈（），且其PH值最好维持在（）范围内。
【单选题】Consider the following situation. Mohammed is a third year undergraduate student studying epidemiology. His professor is highly regarded in the field and Mohammed is very excited to study under him. H...
A.
Go to the head of the school and tell her that his professor is has been falsifying his results.
B.
Do nothing. Maybe that is just how science is done in epidemiology.
C.
Go to the head of the school and ask for their opinion on the situation.
D.
Tell his friend who works at the university’s newspaper all about it, so they can write up an expose on his professor.
【单选题】An Office Upgrade project has an upfront cost of $5000 and net expenses of $1000, $2000 and $1000 at the end of the next three years. It has an estimated benefit of $12,000at the end of the third year...
A.
$653
B.
$702
C.
$866
D.
$812
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