题目内容
The system of higher education in the U.S. has three principal functions except ______.
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The President ______ once admitted that one third of the people of U.S. went to bed hungry.
The Red Scare in 1919 and 1920 was a typical example of ______.
______ takes up four-fifths of Canada.
After the Civil War, monopoly by big business became a strong trend in the American economy. Among the following individuals, ______ was not a big business dominator.
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