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【单选题】
一个空气介质的平行板电容器,充电后与电源保持连接,此时在极板中间放入相对介电常数为2的电介质,则电容器所带电量将( )
A.
增加一倍
B.
减小一半
C.
不变
D.
无规律
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举一反三
【单选题】If a monopoly market structure is transformed to a perfectly competitive one, price will _____ and output will _____.
A.
fall; fall
B.
fall; increase
C.
increase; increase
D.
increase; fall
查看完整题目与答案
【单选题】At present, the core of China's export market strategy is to achieve a ( ) export market structure.
A.
diversified
B.
centralized
C.
subdivided
D.
natural
查看完整题目与答案
【单选题】In which market structure is there clear interdependence between individual firms with regard to prices and sales?
A.
pure competition.
B.
monopolistic competition.
C.
oligopoly.
D.
monopoly.
查看完整题目与答案
【单选题】An oligopoly is a market structure in which there are
A.
only a few buyers but many sellers.
B.
only a few sellers selling either an identical or differentiated product.
C.
many sellers selling a differentiated product.
D.
a few products sold by many sellers.
查看完整题目与答案
【单选题】What is the major problem with using animals as body for growing human organs?
A.
Animals will no longer be savage.
B.
Humans will be as savage as animals.
C.
A clear line will be missing between humans and animals.
D.
Animals will have to be given rights of citizenship.
查看完整题目与答案
【单选题】What is the major problem with using animals as body for growing human organs?
A.
Animals will no longer be savage.
B.
Humans will be as savage as animals.
C.
A clear line will be missing between humans and animals.
D.
Animals will have to be given fights of citizenship.
查看完整题目与答案
【单选题】Human and Culture Human beings are animals. We breathe, eat and digest, and reproduce the same life processes common to all animals. In a biological laboratory, rats, monkeys, and humans seem very muc...
A.
On
B.
With
C.
For
D.
By
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【单选题】In which market structure is there the greatest degree of mutual dependence between firm in choosing their price and output policies?
A.
perfect competition.
B.
monopolistic competition.
C.
oligopoly.
D.
monopoly.
查看完整题目与答案
【单选题】Human beings and animals act very differently because______.
A.
human beings know how to use a stick while animals don't know
B.
human beings can think while animals can't
C.
human beings have a good memory while animals haven't
D.
human beings can speak while animals can't
查看完整题目与答案
【单选题】Monopolistic competition is defined as a type of market structure where
A.
many firms produce the good.
B.
firms produce a homogeneous good.
C.
there are barriers to entry.
D.
firms can earn positive profit in the long run.
查看完整题目与答案
相关题目：
【单选题】If a monopoly market structure is transformed to a perfectly competitive one, price will _____ and output will _____.
A.
fall; fall
B.
fall; increase
C.
increase; increase
D.
increase; fall
查看完整题目与答案
【单选题】At present, the core of China's export market strategy is to achieve a ( ) export market structure.
A.
diversified
B.
centralized
C.
subdivided
D.
natural
查看完整题目与答案
【单选题】In which market structure is there clear interdependence between individual firms with regard to prices and sales?
A.
pure competition.
B.
monopolistic competition.
C.
oligopoly.
D.
monopoly.
查看完整题目与答案
【单选题】An oligopoly is a market structure in which there are
A.
only a few buyers but many sellers.
B.
only a few sellers selling either an identical or differentiated product.
C.
many sellers selling a differentiated product.
D.
a few products sold by many sellers.
查看完整题目与答案
【单选题】What is the major problem with using animals as body for growing human organs?
A.
Animals will no longer be savage.
B.
Humans will be as savage as animals.
C.
A clear line will be missing between humans and animals.
D.
Animals will have to be given rights of citizenship.
查看完整题目与答案
【单选题】What is the major problem with using animals as body for growing human organs?
A.
Animals will no longer be savage.
B.
Humans will be as savage as animals.
C.
A clear line will be missing between humans and animals.
D.
Animals will have to be given fights of citizenship.
查看完整题目与答案
【单选题】Human and Culture Human beings are animals. We breathe, eat and digest, and reproduce the same life processes common to all animals. In a biological laboratory, rats, monkeys, and humans seem very muc...
A.
On
B.
With
C.
For
D.
By
查看完整题目与答案
【单选题】In which market structure is there the greatest degree of mutual dependence between firm in choosing their price and output policies?
A.
perfect competition.
B.
monopolistic competition.
C.
oligopoly.
D.
monopoly.
查看完整题目与答案
【单选题】Human beings and animals act very differently because______.
A.
human beings know how to use a stick while animals don't know
B.
human beings can think while animals can't
C.
human beings have a good memory while animals haven't
D.
human beings can speak while animals can't
查看完整题目与答案
【单选题】Monopolistic competition is defined as a type of market structure where
A.
many firms produce the good.
B.
firms produce a homogeneous good.
C.
there are barriers to entry.
D.
firms can earn positive profit in the long run.
查看完整题目与答案