问题
选择题
根据化学方程式不能获得的信息是（ ）
A．化学反应的快慢
B．反应发生所需的条件
C．反应中的反应物和生成物
D．各反应物和生成物的质量比
答案
答案：A
搜题请搜索小程序“爱下问搜题”
根据化学方程式不能获得的信息是（ ）
A．化学反应的快慢
B．反应发生所需的条件
C．反应中的反应物和生成物
D．各反应物和生成物的质量比
答案：A
| 情景交际：根据对话内容，从方框中选出适当的句子完成对话。 | |
| A: Hello! This is John! Happy New Year! B: Hi, John!The same to you! How are you now? A: 1 . And today is also my sister's birthday. I'm very happy. B: Cool!Please say 2 . A: Thank you, Li Ming. And how is the weather in Beijing now? B: 3 . But I like it. A: Why?I think It's windy, right? B:Yeah! But you know 4 . A: Oh!That's really fine. B: And how is the weather in New York? A: It's always raining, and I don't like it. B: That's OK!I think It's going to be sunny soon. A: 5 .Well! I must go now. B: OK!John,thanks for calling, bye! | |
|