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【判断题】
研究对象一定要在流行病学试验研究中获益。( )A.
正确
B.
错误
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【单选题】听力原文： Laughing at life is one of the best ways of guaranteeing it does not end prematurely, scientists said yesterday. Researchers found that people who often laugh out loud and see the funny side of ...
A.
150 healthy people.
B.
150 unhealthy people.
C.
300 patients.
D.
300 people.
【简答题】Audrey Hepburn（奥黛丽·赫本）won an Academy Award as Best Actress for her first major American movie, Roman Holiday, which was released in 1953,But she is remembered as much for her aid work as for her actin...
【简答题】It attacks the best minds, and gradually destroys the critical faculties, it impossible for the sufferer to detect gibberish in his own writing or in that of others.
【简答题】Some of the best-known names in the entertainment industry have taken part in an unprecedented telethon to help victims of the terrorist attacks in the United States. The benefit(义演), called “America:...
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