问题
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What is the doctors‘ advice to those cigar-smokers? 查
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What is the key to controlling the disease?A.Providing them with qualified doctors.B.Keepi
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According to the researchers, what should doctors do to treat diseases like HIV?A.Develope
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What is the doctors’ advice to those cigar-smoker
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According to the last paragraph what is the ultim
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According to the passage what is one of the chie