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消费者剩余是消费者的主观心理评价,是他购卖一定量的商品时实际支付的总价值减去愿意支付的总价值。
A.
正确
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错误
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举一反三
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
查看完整题目与答案
【单选题】用具有一定内阻的电压表测出实际电源的端电压为6V,则该电源的开路电压Uoc应为:
A.
Uoc>6V
B.
Uoc<6V< /div>
C.
Uoc=6V
D.
不能确定
查看完整题目与答案
【简答题】有一二端网络,用一内阻为10^5Ω的电压表测得其端电压为45V,若换用一内阻为5*10^4Ω的电压表来测,则测得的端电压为30V,则该网络端电压的真实数值为( )V。
查看完整题目与答案
【单选题】有一二端网络,用一内阻为【图片】的电压表测得其端电压为45V,若换用一内阻为【图片】的电压表来测,则测得的端电压为30V,则该网络端电压的真实数值为( )。
A.
45V
B.
30V
C.
90V
D.
60V
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【简答题】Why was the little girl not panicked?A. Because she was blind and deaf. B. Because she didn't hear the grave news. C. Because she was too small to know anything. D. Because she was fixed and intent on...
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【简答题】计算题:有一个直流有源二端网络,用内电阻 R′ b =50kΩ的电压表测得它两端的电压Uab=100V,用内电阻为R″ b =150kΩ的电压表测得它两端的电压U ab =150V,求这个网络的等效电压源E 0 和R 0 。
查看完整题目与答案
【单选题】Why was the little boy disappointed?
A.
He couldn’t get a football shirt from Messi.
B.
His family was too poor to buy him a football.
C.
He couldn’t get a football shirt to look like Messi.
D.
His family cannot afford to pay for football lessons.
查看完整题目与答案
【单选题】Why was the little boy disappointed?
A.
He couldn’t get a football shirt from Messi.
B.
He couldn’t get a football shirt to look like Messi.
C.
His family was too poor to buy him a football.
D.
His family cannot afford to pay for football lessons.
查看完整题目与答案
相关题目:
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
查看完整题目与答案
【单选题】用具有一定内阻的电压表测出实际电源的端电压为6V,则该电源的开路电压Uoc应为:
A.
Uoc>6V
B.
Uoc<6V< /div>
C.
Uoc=6V
D.
不能确定
查看完整题目与答案
【简答题】有一二端网络,用一内阻为10^5Ω的电压表测得其端电压为45V,若换用一内阻为5*10^4Ω的电压表来测,则测得的端电压为30V,则该网络端电压的真实数值为( )V。
查看完整题目与答案
【单选题】有一二端网络,用一内阻为【图片】的电压表测得其端电压为45V,若换用一内阻为【图片】的电压表来测,则测得的端电压为30V,则该网络端电压的真实数值为( )。
A.
45V
B.
30V
C.
90V
D.
60V
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【简答题】Why was the little girl not panicked?A. Because she was blind and deaf. B. Because she didn't hear the grave news. C. Because she was too small to know anything. D. Because she was fixed and intent on...
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【简答题】计算题:有一个直流有源二端网络,用内电阻 R′ b =50kΩ的电压表测得它两端的电压Uab=100V,用内电阻为R″ b =150kΩ的电压表测得它两端的电压U ab =150V,求这个网络的等效电压源E 0 和R 0 。
查看完整题目与答案
【单选题】Why was the little boy disappointed?
A.
He couldn’t get a football shirt from Messi.
B.
His family was too poor to buy him a football.
C.
He couldn’t get a football shirt to look like Messi.
D.
His family cannot afford to pay for football lessons.
查看完整题目与答案
【单选题】Why was the little boy disappointed?
A.
He couldn’t get a football shirt from Messi.
B.
He couldn’t get a football shirt to look like Messi.
C.
His family was too poor to buy him a football.
D.
His family cannot afford to pay for football lessons.
查看完整题目与答案