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【多选题】
在平面布置图上表示各构件尺寸和配筋的方式，分（ ）、（ ）和（ ）三种A.
平面注写方式
B.
列表注写方式
C.
截面注写方式
D.
集中注写方式
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反馈参考答案：
举一反三
【单选题】Which of the following statements is true about government regulations in the context of entry barriers of an industry?
A.
Government deregulation in an industry results in significant reduction in competition.
B.
Government regulation is not a major entry barrier for any industries.
C.
Falling entry barriers due to government deregulation results in higher competition and lower industry profit rates.
D.
The threat of new entrants reduces when the government deregulates an industry.
E.
Companies that enjoy brand loyalty and have significant scale economies are the ones who face major threat of competition due to government deregulation.
【单选题】Barriers to entry can be the result of
A.
Positive network externalities
B.
High switching costs
C.
Economies of scale
D.
All of the above
【判断题】The risk of entry by potential competitors is a function of the height of the barriers to entry.
A.
正确
B.
错误
【单选题】社会主义基本经济制度在中国全面建立的标志是（）
A.
1949年新中国成立
B.
1952年国民经济基本恢复
C.
1956年社会主义改造基本完成
D.
1953年“一五”计划开始实施
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