The economy of ______ is the world's largest single national economy.
The economy of ______ is the world's largest single national economy.
A、China
B、Russia
C、the United States
D、the UK
【正确答案】：C
【题目解析】：【考点点击】本题主要考查美国经济。
【要点透析】美国是世界上最大的单一国家经济体。P230
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