问题
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What is this passage mainly concerned with?A.The problems in U.S. hospitals and medical ce
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What is this passage mainly about?A.The development of examinations.B.The examination syst
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What is this passage mainly about?A.The liberation movement of British women.B.Rapid econo
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What is main idea of this passage?A.Advertisement.B.The benefits of advertisement.C.Advert
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What is this passage mainly about?A.Unhealthy food supply in high schools.B.Childhood obes
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What is the main idea of this passage?A.Fire-control is essential for human species to lea