单项选择题

The U.S. has less than of the world’s population, but it produces about ______ of the total world output.

A. 6%, 25%
B. 6%, 23%
C. 7%, 25%
D. 7%, 23%
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单项选择题
It was the trend of New Right conservatism that brought ______ into the White House.
A. Kennedy
B. Johnson
C. Nixon
D. Reagan
单项选择题
From the mid-seventies onwards, the United States suffered from ______ , that is, the occurrence of stagnation and inflation at the same time.
A. stagflation
B. crisis
C. depression
D. crash
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