题目

下列有关碳和碳的化合物说法中，错误的是（） A . 古代的字画可以保存至今是因为常温下碳的化学性质稳定 B . CO具有还原性，可以用来冶炼金属 C . CH4和C2H5OH都有可燃性，都可以做燃料 D . 碳在氧气中燃烧一定生成二氧化碳 答案：D在空白处填入适当的句子补全对话。A: Hello, 88261210. B: Hello. ___1___A: Yes. This is Lingling speaking. B: Hi, Lingling. You like listening to the radio. ___2___A: The radio says it’s going to be sunny these days. B: Good! What are you going to do for the spring field trip?A: Nothing much. Why?B: Our classmates plan to go on a four-day visit to Beijing___3___ A: Sure! I'd love to. Will we go there by bus or by train?B: ___4___ I love to go by bus. What about you?A: I love to go by train. You see, going by bus doesn’t cost as much as by train, and going by bus isn’t as comfortable as by train. B: Yes. Most of the classmates love to go by train. Let's go there by train. ___5___. A: Yes, I am. And I can go to find out the information about the tickets at once. See you.B: Thank you. See you.