问题
选择题
下列生活中常见物质的主要成分，属于盐的是[ ]
A．醋
B．生石灰
C．纯碱
D．烧碱
答案
答案：C
搜题请搜索小程序“爱下问搜题”
下列生活中常见物质的主要成分，属于盐的是[ ]
A．醋
B．生石灰
C．纯碱
D．烧碱
答案：C
| 根据表格内容完成句子。 | ||||||||||||||||
| ||||||||||||||||
| 1. Mary has classes on Monday and______ mornings. 2. She watches ______ on Monday afternoon. 3. She has a piano lesson on Wednesday ______. 4. On Wednesday evening she ______. 5. She ______ on Saturday evening. |