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问题 选择题

北京、上海、哈尔滨、广州四个城市，年平均气温由高到低排列正确的是[ ]

A、上海、北京、广州、哈尔滨 　

B、广州、上海、北京、哈尔滨　　　　　　

C、广州、北京、上海、哈尔滨　

D、哈尔滨、北京、上海、广州

答案

答案：B

单项选择题

Economist: Any country that is economically efficient will generate wealth. Such a country will remain politically stable only if that wealth is distributed equitably. The equitable distribution of wealth puts an end to risk taking, the indispensable precondition of economic efficiency.
Which of the following conclusions can be properly drawn on the basis of the statements above

A．No country can indefinitely remain both economically efficient and politically stable.

B．No country can indefinitely remain both politically unstable and wealthy.

C．Economic efficiency is the indispensable precondition for the generation of wealth in a country.

D．Any country in which wealth is distributed equitably will indefinitely remain politically stable.

E．(E) Growing economic efficiency encourages risk taking, which in turn leads to further growth in economic efficiency.
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单项选择题 A型题

布鲁斯菌引起的人类疾病是（）

A.波浪热

B.结核病

C.伤寒

D.破伤风

E.肉毒中毒
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