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
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。 | ||||||||||||||||
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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. |