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【单选题】
中华人民共和国的成立，标志着中国新民主主义革命已经取得基本胜利，中国人民当家作主的时代已经到来。中国历史揭开了新的篇章，进入了______的新时期。A.
建立和发展新民主主义
B.
建立和巩固社会主义社会
C.
由新民主主义向社会主义过渡
D.
社会主义初级阶段
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【简答题】复兴号列车简称 _______
【单选题】Which of the following statements is true about potential competitors in an industry?
A.
They threaten the profitability of established companies.
B.
They are usually encouraged by established companies.
C.
They find it easier to enter an industry when the entry barriers are high.
D.
They find it easier to enter an industry when established companies have economies of scale.
E.
They usually have an absolute cost advantage over established companies.
【简答题】An industry which is disappearing is said to be d___________.
【单选题】An industry in which a few firms cater to the entire market is called:
A.
a monopoly.
B.
an oligopoly.
C.
a perfect competition.
D.
a monopsony.
【单选题】Which of the following is NOT an entry barrier to an industry?
A.
expected competitor retaliation
B.
economies of scale
C.
customer product loyalty
D.
bargaining power of suppliers
【单选题】An transport industry is an area of commerce in which aircraft are employed to carry passengers, freight and mail.
A.
空中运输业是一种以雇佣飞机来输送乘客，货物和信件的一种商业贸易。
B.
空运业是商业的一个领域，它就是用飞机运送乘客，货物及邮件。
C.
空运业务是贸易领域的一项业务，它可以用飞机来载人，运货物和邮件。
D.
航空运输业是一个商业领域，在这个领域中用飞机运送旅客，货物和邮件。
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