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【单选题】
下列关于乳酸脱氢酶的叙述，错误的是
A.
乳酸脱氢酶可用LDH表示
B.
它属于单体酶
C.
其辅酶是NAD+
D.
具有五种同工酶
E.
乳酸脱氢酶同工酶之间的电泳行为不同
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参考答案：
举一反三
【单选题】公司经理对董事会负责，是公司的代理人，也是公司的法定代表人。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The price elasticity of demand is the:
A.
change in total revenue divided by the change in price.
B.
change in price divided by the change in quantity demanded.
C.
percentage change in price divided by the percentage change in quantity demanded.
D.
quantity demanded divided by the change in price.
E.
percentage change in quantity demanded divided by the percentage change in price.
查看完整题目与答案
【单选题】The price elasticity of demand measures which of the following?
A.
the slope of the demand curve
B.
the rate at which demand changes when price changes
C.
how responsive the quantity demanded is to changes in price
D.
the percentage-slope of the demand curve
E.
None of these correctly defines what price elasticity of demand measures.
查看完整题目与答案
【判断题】公司经理是由公司的董事会聘任的，同时公司经理作为公司的代理人，必然是公司的法定代表人。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于绕击率，以下说法正确的是？
A.
绕击率与避雷线与导线间耦合系数、杆塔高度以及线路经过地区有关
B.
绕击率与避雷线与导线间耦合系数、线路电压等级以及线路经过地区有关
C.
绕击率与避雷线对边导线的保护角、杆塔高度以及线路经过地区有关
D.
绕击率与雷线对边导线的保护角、线路电压等级以及线路经过地区有关
查看完整题目与答案
【单选题】Price elasticity is computed as ____________.
A.
percentage change in demand/percentage change in price
B.
percentage change in supply/percentage change in price
C.
percentage change in demand/percentage change in supply
D.
percentage change in price/percentage change in supply
查看完整题目与答案
【简答题】Choose a proper phrase for the sentences from the box, changing the form if necessary. cut out; look into; hear from; look forward to; turn a deaf ear to; either...or; make a complaint; under warran...
查看完整题目与答案
【单选题】A key determinant of the price elasticity of supply is the _________.
A.
time horizon
B.
price elasticity of demand
C.
importance of the good in a consumer ’s budget
D.
income of consumers
查看完整题目与答案
【简答题】从下面的词中选择填空: Badminton. Message. Foreign. Place. Provide French. Information. Put up. Look forward to. Service. Hand out. Volunteer (填写时首字母要小写) I am glad to be a ____for the school sports meeting. They...
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【单选题】Which of the following statements about the price elasticity of demand is correct?
A.
The price elasticity of demand for a good measures the willingness of buyers of the good to move away from the good as its price increases.
B.
Price elasticity of demand reflects the many economic, psychological, and social forces that shape consumer tastes.
C.
Other things equal, if good x has close substitutes and good y does not have close substitutes, then the demand for good x will be more elastic than the demand for good y .
D.
All of the above are correct.
查看完整题目与答案
相关题目：
【单选题】公司经理对董事会负责，是公司的代理人，也是公司的法定代表人。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The price elasticity of demand is the:
A.
change in total revenue divided by the change in price.
B.
change in price divided by the change in quantity demanded.
C.
percentage change in price divided by the percentage change in quantity demanded.
D.
quantity demanded divided by the change in price.
E.
percentage change in quantity demanded divided by the percentage change in price.
查看完整题目与答案
【单选题】The price elasticity of demand measures which of the following?
A.
the slope of the demand curve
B.
the rate at which demand changes when price changes
C.
how responsive the quantity demanded is to changes in price
D.
the percentage-slope of the demand curve
E.
None of these correctly defines what price elasticity of demand measures.
查看完整题目与答案
【判断题】公司经理是由公司的董事会聘任的，同时公司经理作为公司的代理人，必然是公司的法定代表人。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于绕击率，以下说法正确的是？
A.
绕击率与避雷线与导线间耦合系数、杆塔高度以及线路经过地区有关
B.
绕击率与避雷线与导线间耦合系数、线路电压等级以及线路经过地区有关
C.
绕击率与避雷线对边导线的保护角、杆塔高度以及线路经过地区有关
D.
绕击率与雷线对边导线的保护角、线路电压等级以及线路经过地区有关
查看完整题目与答案
【单选题】Price elasticity is computed as ____________.
A.
percentage change in demand/percentage change in price
B.
percentage change in supply/percentage change in price
C.
percentage change in demand/percentage change in supply
D.
percentage change in price/percentage change in supply
查看完整题目与答案
【简答题】Choose a proper phrase for the sentences from the box, changing the form if necessary. cut out; look into; hear from; look forward to; turn a deaf ear to; either...or; make a complaint; under warran...
查看完整题目与答案
【单选题】A key determinant of the price elasticity of supply is the _________.
A.
time horizon
B.
price elasticity of demand
C.
importance of the good in a consumer ’s budget
D.
income of consumers
查看完整题目与答案
【简答题】从下面的词中选择填空: Badminton. Message. Foreign. Place. Provide French. Information. Put up. Look forward to. Service. Hand out. Volunteer (填写时首字母要小写) I am glad to be a ____for the school sports meeting. They...
查看完整题目与答案
【单选题】Which of the following statements about the price elasticity of demand is correct?
A.
The price elasticity of demand for a good measures the willingness of buyers of the good to move away from the good as its price increases.
B.
Price elasticity of demand reflects the many economic, psychological, and social forces that shape consumer tastes.
C.
Other things equal, if good x has close substitutes and good y does not have close substitutes, then the demand for good x will be more elastic than the demand for good y .
D.
All of the above are correct.
查看完整题目与答案
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