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【单选题】
碳碳叁键由
A.
叁个σ键构成
B.
叁个π键构成
C.
两个σ键和一个π键构成
D.
一个σ键和两个π键构成
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【单选题】交流工频电压314V,其负载为 1H 的电感,则通过的电感的电流为 A。
A.
1
B.
2
C.
0
D.
3
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【单选题】A firm has $350 million in revenues and explicit costs of $150 million. If its owners have invested $150 million in the company at an opportunity cost of 10 percent a year, the firm's economic profit ...
A.
$50 million.
B.
$150 million.
C.
$185 million.
D.
$200 million.
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【单选题】It is not necessarily an ( ) contract in which the unavoidable costs of meeting the obligations under the contract exceed the economic benefits expected to be received under it.
A.
gratuitous
B.
onerous
C.
consensual
D.
real
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【判断题】Costs incurred subsequent to the acquisition of an asset are capitalized if it is probable that the company will obtain future economic benefits.
A.
正确
B.
错误
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【单选题】工频交流电压314V,其负载为1H的电感,则通过电感原件的电流为( )A,该电路的ω为( ) A、 1 B、 2 C、 3 D、 0
A.
1
B.
2
C.
3
D.
0
E.
0；100s
F.
1；100rad/s
G.
2；100t
H.
3；100rad
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【多选题】在中国封建社会的历史上出现过一些“盛世”,如()。
A.
文景之治
B.
贞观之治
C.
王莽新政
D.
康乾盛世
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【判断题】刚体做平动时，任意两点具有相等的速度和加速度。
A.
正确
B.
错误
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【单选题】工频交流电压314V,其负载为1H的电感,则通过电感原件的电流为()A
A.
1
B.
2
C.
3
D.
0
查看完整题目与答案
【判断题】刚体做平动时,任意两点具有相等的速度和加速度。
A.
正确
B.
错误
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【单选题】Which of the following statements is false? An economic analysis of carbon taxes can:
A.
calculate the increase in costs faced by coal-using industries.
B.
predict the effect on unemployment in West Virginia coal mining communities.
C.
compare the likely reductions in medical expenditures on diseases caused by smog.
D.
present a trade-off of the costs and benefits of different levels of carbon taxes.
E.
conclude that such taxes should be imposed to benefit future generations.
查看完整题目与答案
相关题目：
【单选题】交流工频电压314V,其负载为 1H 的电感,则通过的电感的电流为 A。
A.
1
B.
2
C.
0
D.
3
查看完整题目与答案
【单选题】A firm has $350 million in revenues and explicit costs of $150 million. If its owners have invested $150 million in the company at an opportunity cost of 10 percent a year, the firm's economic profit ...
A.
$50 million.
B.
$150 million.
C.
$185 million.
D.
$200 million.
查看完整题目与答案
【单选题】It is not necessarily an ( ) contract in which the unavoidable costs of meeting the obligations under the contract exceed the economic benefits expected to be received under it.
A.
gratuitous
B.
onerous
C.
consensual
D.
real
查看完整题目与答案
【判断题】Costs incurred subsequent to the acquisition of an asset are capitalized if it is probable that the company will obtain future economic benefits.
A.
正确
B.
错误
查看完整题目与答案
【单选题】工频交流电压314V,其负载为1H的电感,则通过电感原件的电流为( )A,该电路的ω为( ) A、 1 B、 2 C、 3 D、 0
A.
1
B.
2
C.
3
D.
0
E.
0；100s
F.
1；100rad/s
G.
2；100t
H.
3；100rad
查看完整题目与答案
【多选题】在中国封建社会的历史上出现过一些“盛世”,如()。
A.
文景之治
B.
贞观之治
C.
王莽新政
D.
康乾盛世
查看完整题目与答案
【判断题】刚体做平动时，任意两点具有相等的速度和加速度。
A.
正确
B.
错误
查看完整题目与答案
【单选题】工频交流电压314V,其负载为1H的电感,则通过电感原件的电流为()A
A.
1
B.
2
C.
3
D.
0
查看完整题目与答案
【判断题】刚体做平动时,任意两点具有相等的速度和加速度。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following statements is false? An economic analysis of carbon taxes can:
A.
calculate the increase in costs faced by coal-using industries.
B.
predict the effect on unemployment in West Virginia coal mining communities.
C.
compare the likely reductions in medical expenditures on diseases caused by smog.
D.
present a trade-off of the costs and benefits of different levels of carbon taxes.
E.
conclude that such taxes should be imposed to benefit future generations.
查看完整题目与答案