下列物质中既能与与酸反应又能与碱反应的是 A．Fe B．CO2 C．NaHCO3 发布时间：2017-07-04 09:23 │ 来源：www.tikuol.com 题型：选择题 问题： 下列物质中既能与与酸反应又能与碱反应的是A．FeB．CO2C．NaHCO3D．SiO2
题型：选择题 根据对话内容，从题后方框内所给的ABCDEFG七个选项中选出5个，使对话完整，符合逻辑，句意正确，将答案写在题号后的括号内。(A student meets his English teacher at the station after the summer holidays begin)S: Hello, Miss Li How are you? T: Oh, fine, thank you. 1.________. And how are you and your parents? S: We're all very well, too,Thanks. T: 2.________? S: My parents and I are going to see my grandparents in Shanghai. T: Are you? I'm going to Beidaihe. All the teachers are going. S: 3.________?T: For a week. S: We're coming back in a week, too. 4.________. T: Thank you. Have a good trip, There goes the bell. 5.________. Goodbye. S: Bye. A. Let's go to the classroom B. I hope you'll enjoy your holiday thereC. Where are you going now D. Will it take you some time E. I must get on the train now F. Glad to see you here G. How long are you staying there 查看答案