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【单选题】
规范确定砼立方体抗压强度标准值fcu,k所用试块的边长是________。
A.
150mm
B.
70.7mm
C.
100mm
D.
200mm
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参考答案：
举一反三
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【单选题】It seems that now a country/'s economy depends much on _______ .
A.
how welldeveloped it is electronically
B.
whether it is prejudiced against immigrants
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whether it adopts America's industrial pattern
D.
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B.
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【单选题】There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to give children something to do. In the ancient world, as is toda...
A.
their social roles are rigidly determined
B.
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C.
boys like to play with their fathers while girls with their mothers
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they like challenging activities
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【判断题】There are a total of 2 n -1 mutually exclusive alternatives that can be formulated from n independent projects, if there are no restrictions on the projects or the investment amount.
A.
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B.
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【单选题】Governments Are Trying A 1990 United Nations survey revealed that the more highly developed countries spend an average of 2 to 3 percent of their annual budgets on crime control, while developing coun...
A.
There are not enough policemen.
B.
They do not trust the rule of law.
C.
The police force is inefficient.
D.
Security devices do not work.
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【单选题】Mrs、Black became a(n) _______ at making desserts.
A.
expert
B.
worker
C.
host
D.
specialist
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【简答题】In the view of environmental economics, economically sound projects do not in themselves constitute practical decision-.
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【单选题】A(n) ______ is one who organizes a new business venture in the hopes of making a profit.
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【单选题】It seems that now a country/'s economy depends much on _______ .
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【单选题】There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to give children something to do. In the ancient world, as is toda...
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B.
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C.
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