单项选择题

Revolutionary developments in China's astronomy took place in the 1960's.

A. commenced
B. occurred
C. were disputed
D. were exchanged
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He made a great show of reluctance, but finally accepted my offer.
A. emotion
B. unwillingness
C. anger
D. postpone
单项选择题
His success in work has tempted many to try this new method.
A. attracted
B. called
C. inspired
D. implied
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