根尖周炎疼痛最剧烈的阶段是()A．浆液期 B．骨膜下脓肿 C．瘘管形成期 D．粘膜下 发布时间：2017-02-08 22:45 │ 来源：www.tikuol.com 题型：单项选择题 问题： 根尖周炎疼痛最剧烈的阶段是()A．浆液期B．骨膜下脓肿C．瘘管形成期D．粘膜下脓肿E．以上均不是
题型：单项选择题 情景交际。从方框中选择适当的选项补全对话。其中有一项是多余的。 A. I am making a model robot. B. Who are you? C. Yes, I do. D. What can robots do then? E. Do you think that robots can do better than humans? F. Who is this? A: Hello! May I speak to Maria, please? B: This is Maria speaking. 1. _____ A: This is Michael. Maria, could you practice the violin with me? B: Sorry, I can't. 2. _____A: Do you like robots? B: 3. _____ It's one of the most important inventions of the 20th century. A: They are great. 4. _____ B: They can do many things. They may take the place of humans in some work situations. A: That sounds good. 5. _____ B: Yes, I think so. A: Oh, I see. 查看答案