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【判断题】
建设工程发包单位不得迫使承包方以低于成本价格竞标，但可以任意压缩合理工期。( )A.
正确
B.
错误
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举一反三
【单选题】Air pollution is the most serious problem caused by the exist of too many private automobiles.
A.
Y
B.
N
C.
NG
【简答题】A．It is a social fact. B．It doesn't exist. C．It is natural. D．It is a problem, especially to young people:
【简答题】When ______, the problem of unemployment will arise.
【简答题】When you eat out the language problem is ______ .
【单选题】Scarcity would cease to exist as an economic problem if:
A.
we learned to cooperate and not compete with each other.
B.
there were new discoveries of an abundance of natural resources.
C.
output per worker increased.
D.
none of the above.
【单选题】What problem does the author think exist within education?
A.
That disciplines are taught as separate subjects
B.
That it doesn’t prepare students for the jobs of today and the future
C.
That there exist ‘silos’ within education
D.
All of the above
【单选题】In determining if risk of collision exists， such risk may sometimes exist even when an appreciable bearing change is evident， particularly when approaching ________ ．
A.
very large vessel
B.
a long tow
C.
a vessel at close range
D.
all A，B and C
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