1978年，我国开展的一场马克思主义思想解放运动是（）
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It is implied in the passage that__________
A. people will feel sympathetic for you if you suffer from certain disease
B. some people would rather just worry about their problems than take any actions
C. people should not regard the present moments as times to enjoy
D. people should establish right attitudes towards worry
从资本主义向社会主义过渡时期无产阶级专政的首要任务是（）
One of the reasons, why the inventions failed to deliver to investors the expected
A. the policies of the states
B. the lacked innovations
C. the commercialization of the invention
D. the competition, from other investors
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