单项选择题

These programs are of immense value to old people

A. natural
B. fatal
C. tiny
D. enormous
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Since the Great Depression, the United States government has protected farmers from damaging drops in grain prices.
A. slight
B. surprising
C. sudden
D. harmful
单项选择题
The government is debating the education laws.
A. discussing
B. defeating
C. delaying
D. declining
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