赞题库-背景图
问答题

%E6%9F%90%E5%9C%B0%E5%8C%BA%E6%9C%8910%E4%B8%87%E4%BA%BA%E5%8F%A3,1960%E5%B9%B4%E6%80%BB%E6%AD%BB%E4%BA%A1%E4%BA%BA%E6%95%B0%E4%B8%BA100%20%E5%90%8D,%E5%B7%B2%E5%8F%91%E7%8E%B0%E7%9A%84%E7%BB%93%E6%A0%B8%E7%97%85%E6%82%A3%E8%80%85%E6%9C%89300%E5%90%8D,%E5%85%B6%E4%B8%AD%E7%94%B7%E6%80%A7200%20%E5%90%8D,%E5%A5%B3%E6%80%A7100%E5%90%8D%E3%80%821960%E5%B9%B4%E6%AD%BB%E4%BA%8E%E7%BB%93%E6%A0%B8%E7%97%85%E8%80%8560%E5%90%8D,%E5%85%B6%20%E4%B8%AD%E7%94%B7%E6%80%A750%E5%90%8D%E3%80%82%E8%AF%A5%E5%9C%B0%E5%8C%BA%E7%94%B7%E6%80%A7%E7%BB%93%E6%A0%B8%E7%97%85%E7%9A%84%E7%97%85%E6%AD%BB%E7%8E%87%E4%B8%BA()%20A%2020%%20B%20%E6%89%80%E7%BB%99%E8%B5%84%E6%96%99%E4%B8%8D%E8%83%BD%E8%AE%A1%E7%AE%97%20%E1%9F%97%2025%%20D%2050%%20326%204%20E%2030%

【参考答案】

答案:D

解析:题目中提到某地区有10万人口,1960年总死亡人数为100名,其中已发现的结核......

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