单选题:不属于恶性肿瘤的危险因素是 题目分类:临床执业医师 题目类型:单选题 查看权限:VIP 题目内容: 不属于恶性肿瘤的危险因素是 A.生物因素 B.物理因素 C.化学因素 D.体力活动 E.社会心理因素 参考答案: 答案解析:
What is the benefit student get from the new tech? What is the benefit student get from the new tech?A.It makes them more fluent in 分类:临床执业医师 题型:单选题 查看答案
What happens when solar wind comes to the Earth? What happens when solar wind comes to the Earth?A.A protective magnetic field is 分类:临床执业医师 题型:单选题 查看答案