题目

下列物质在氧气中充分燃烧，有大量白烟产生的是 A．硫                    B．木炭               C．红磷            D．铁丝 答案：C根据对话内容, 选择恰当的句子补全对话. 每空1分. （有多余选项）. A. I think Sand Lake is the best. B. Oh, that's all right. C. We've been to many wonderful places. D. How do you like Yinchuan E. How did you go there F. But I think, sand sliding（滑沙）is the most exciting one. G. Oh. It was great. Bruce: Hi, Kate!How was your summer holidays Kate: _Bruce: Where did you go Kate: I went to Yinchuan with my parents. Bruce: _Kate: It's one of the most beautiful cities in the northwest of China. I like it very much. Bruce: How long did you stay there Kate: We stayed there for five days. _Bruce: Which is your favorite place Kate: _When I was there, I lost myself in the beautiful scenery. Bruce: What interesting things did you do there Kate: Lots of things, such as swimming, boating, fishing and riding camels. _Bruce: Oh, really, I can't wait to go there.