问题
选择题
－Could you please help me take the exercise books to your classroom?
－_______.
A．No problem.
B．I hope so.
C．That’s all right.
D．That’s a good idea.
答案
答案：A
习惯性答语
搜题请搜索小程序“爱下问搜题”
－Could you please help me take the exercise books to your classroom?
－_______.
A．No problem.
B．I hope so.
C．That’s all right.
D．That’s a good idea.
答案：A
习惯性答语
在下表空格内写出相应物质的化学式，并指出物质类别（单质、氧化物、酸、碱、盐）
| 体温计中的水银 | 用于人工降雨的干冰 | 配制生理盐水的食盐 | |
| 化学式 | ______ | ______ | ______ |
| 物质类别 | ______ | ______ | ______ |