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单项选择题

A．The need to control population both in those underdeveloped countries and in developed countries.
B．How to control population in Europe.
C．Scarcity of food and other resources in the world.
D．Population and environment.
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热门试题

单项选择题The term isolation describes______.

A．American foreign policy during the 1970s and 1980s
B．a military theory best paraphrased as "divide and conquer"
C．an idea of economical balance between nations
D．a policy of nonintervention in other countries' affairs

单项选择题Who said The only thing we have to fear is fear itself

A．Abraham Lincoln.
B．Winston Churchill.
C．JohnF. Kennedy.
D．FranklinD. Roosevelt.