单选题:Fifty-three thousand shouting enthusiasts filled the stadium 题目分类:2级 题目类型:单选题 查看权限:VIP 题目内容: Fifty-three thousand shouting enthusiasts filled the stadium; they had come to watch the first game of the season and to cheer the home team. 参考答案: 答案解析:
某项危险因素与疾病关系的病例对照研究结果中,0R:3(P<0.05),对照组平均年龄高于病例组(P<0.05),下列结论 某项危险因素与疾病关系的病例对照研究结果中,0R:3(P<0.05),对照组平均年龄高于病例组(P<0.05),下列结论正确的是 分类:2级 题型:单选题 查看答案