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【单选题】
（ ）是指物体由于被举高而具有的能，其大小由地球和地面上物体的相对位置决定A.
重力势能
B.
动能
C.
密动能
D.
密势能
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【简答题】How many guests will pay a visit to Beijing and Shanghai?
【单选题】________ the present unemployment continue, the society would face a more troublesome situation.
A.
Would
B.
Should
C.
Might
D.
Could
【单选题】—Which city has _____ history in the world, Beijing, New York or Tokyo? —Beijing, of course. [ ]
A.
long
B.
longer
C.
longest
D.
the longest
【单选题】Why does Amy ask about the best places to eat in Beijing and Shanghai?
A.
Because she loves Beijing and Shanghai very much.
B.
Because it is the first time she has been in Beijing and Shanghai.
C.
Because she has enjoyed herself in Beijing and Shanghai last year.
【单选题】Workers want more money and shorter working hours to_____.
A.
enjoy themselves more after work
B.
produce greater work flow
C.
show their great abilities
D.
challenge the management
【单选题】I prefer a university in Beijing to ______ in Shanghai, because Beijing is the cultural center of China.
A.
one
B.
that
C.
it
D.
this
【简答题】A．Cash would be no longer in use. B．There would be more safety guards. C．More prisons would be set up. D．People would be better off.
【单选题】${2>1?"beijing":"shanghai"}的结果为
A.
2>1?"beijing":"shanghai"
B.
‘2>1?"beijing":"shanghai"’
C.
"beijing":"shanghai"
D.
"beijing"
【单选题】A dog is a more demanding pot than a cat because ______.
A.
it must be trained so that it won't bite
B.
it demands more food and space
C.
it needs more love and care
D.
it must be looked after carefully
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