引起人类疾病和死亡的危险因素种类很多，概括起来有（） A.环境危险因素 B.心理、行 发布时间：2018-01-30 18:39 │ 来源：www.tikuol.com 题型：单项选择题 问题： 引起人类疾病和死亡的危险因素种类很多，概括起来有（）A.环境危险因素B.心理、行为危险因素C.生物遗传危险因素D.医疗卫生服务中的危险因素E.以上都是
题型：单项选择题 阅读下面语言材料，回答下列问题。 A: 2576321 Guizhou Museum, this is Jenny speaking. How can I help you? B: Hi, I'd like to buy tickets for the Picasso Exhibition. I would like to know when I can go and how much the tickets are. A: Hum, let me see. The exhibition is open from 9:00 a.m. to 7:00 p.m.on weekdays, and from 3:00 p.m.to 9:00 p.m.on weekends. B: Weekdays, 9:00 a.m.to 7:00 p.m. on weekends, 3:00 p. m to 9:00 p.m, got it. Thank you. And what about the prices? A: It's$12 for adults, half for children, and one third for groups. B: I see. How many people do we need to have to make up a group? A: At least 6. B: I see. Do I have to order tickets now, or can I buy them when I get there? A: You can buy them here. The exhibition is on the second floor of the museum, Hall 3. B: Second floor, Hall 3. Thank you. Picasso Exhibition Place: Second floor, Hall 3, Capital Museum Time: 1.________ ～Friday: 9:00 a.m～7:00 p.m. 2.________ and Sunday: 3:00 p.m.～9:00 p.m. Prices: Adults: $12 Children: 3.________ Groups (at least 6 people): 4.________ Tel: 5.________ 查看答案
题型：单项选择题 乳癖预防护理应注意以下各项，除了（）A.保持心情舒畅，情绪稳定B.适当控制脂肪类食物的摄入C.应及时抗结核治疗D.对发病的高危人群要定期检查E.治疗月经失调等妇科疾病和其他内分泌疾病 查看答案
题型：单项选择题 已知某瞬时平面图形上O点的加速度为a0。图形的角速度ω=0，角加速度为α0。则图形上过O点并垂直于a0的直线mn上各点加速度的方向应是（）。A．指向O点B．垂直mn直线C．与mn直线成θ角D．沿mn直线背离O点 查看答案
