单项选择题

The emphasis on the importance of education has spurred scientific research.()

A. encouraged
B. fastened
C. raised
D. initiated

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单项选择题

The old man lodged an official complaint about his neighbours' behaviour.()

A. did
B. put
C. made
D. set up

单项选择题

These programmes are of immense value to old people().

A. natural
B. fatal
C. tiny
D. enormous

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