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Whats the main idea of the news item?A.Japan"s .....
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发病率最高的是A.变形杆菌食物中毒B.沙门菌食物中毒C.金黄色.....
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According to the news item, the new resort villag.....
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疾病流行是指A、某病发病率虽低,但在某地区或人群中却是长年.....
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The German football authorities will use a new resort village in Brazil as their World Cup..
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女,30岁,G1P0。平素月经规律。月经增多、经期延长1年余。妇.....
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