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【单选题】
区分直营连锁店与其它经营形式的关键是A.
分店所有权
B.
总公司特许权的授予
C.
分店财务所有权
D.
投资大小
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反馈参考答案：
举一反三
【单选题】Why would policy makers need to regulate all firms that produce differentiated products?
A.
Because such products are so common in the economy.
B.
Because there is no easy way for policymakers to fix the problem.
C.
Because they want to enforce marginal-cost pricing.
D.
Because monopolistic competitors are zero profits.
【单选题】听力原文：We've been living through times of plenty in recent decades, but no more. World grain sup- plies are low, there's just forty days' worth in stock and the long-term future looks bleak. Our demand ...
A.
There is plenty of grain in the world and people need not to worry about it.
B.
The world's population is estimated to explode from over 6 billion now to 19 billion by 2050.
C.
The population increase is mainly in undeveloped countries.
D.
World demand for foods is predicted to rise 50% by 2030.
【单选题】盐酸氯丙嗪
A.
与吡啶-硫酸铜溶液作用生成紫红色
B.
与碘化铋钾试液作用生成橘红色沉淀
C.
与吡啶-硫酸铜溶液作用生成蓝色
D.
与三氯化铁试液作用显稳定的红色
E.
溶于甲醛后与硫酸反应，界面显玫瑰红色
【单选题】It has been challenging for most twentieth-century American policy-makers to recapture the memory of the early United States, Constitution and all, as a revolutionary force-to ascertain, in other word...
A.
Ⅰ only
B.
Ⅱ only
C.
Ⅰ and Ⅱ only
D.
Ⅱ and Ⅲ only
E.
Ⅰ,Ⅱ, and Ⅲ
【简答题】What is the hope of Chinese policy makers?
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