已知金属元素M（只有一种化合价）氧化物的化学式为M2O3，则它的氯化物的化学式为 发布时间：2017-05-24 20:56 │ 来源：www.tikuol.com 题型：选择题 问题： 已知金属元素M（只有一种化合价）氧化物的化学式为M2O3，则它的氯化物的化学式为 [ ]A. MCl2 B. MCl3 C. M2Cl3 D. MCl
题型：选择题 生物心理社会医学模式认为（）A.心身是统一的B.心理对健康和疾病有能动作用C.心理因素、社会因素和生物因素都影响人体健康和疾病的发生D.在健康和疾病问题上应将人视为一个整体E.以上都是 查看答案
题型：选择题 补全对话。A: Excuse me, (1) ________ B: Yes, and you are……? A: (2) ________ This is my membership card. Would you please show me your passport? B: OK. (3) ________ A: Welcome to Beijing, Miss White. I am so glad that you are the first guest I have received. B: Thank you, Miss Chen. (4) ________ A: Let me help you with your suitcase. Our car is waiting for us just at the entrance. (5) ________ B: Thank you very much for your good service. A: It's a pleasure. A. Who are you? B. I'm an English guide from Beijing China Travel Service. C. Here you are.D. Are you Miss White from New York?E. I'm so lucky that I could meet my guide as soon as I got off the plane. F. Can you help me? G. It will take us to the hotel. 查看答案