问题 更新时间2023/4/3 12:59:00 Medical researchers reached the ____ long ago that smoking is a serious hazard to health.( )(本题2.0分) A、 decision B、 investigation C、 conclusion D、 explanation 答案 登录 注册 标准答案:C 出自:青书学堂 >> 河南科技大学-大学英语3