题目内容：
题共用以下备选答案。
A．具有羰基 B．具有酚羟基
C．具有苯环
D．具有氧原子
E．以上均不对
蒽醌类化合物具有酸性是因为（ ）
参考答案：
答案解析：
单选题：题共用以下备选答案。
- 题目分类：中药学专业知识(二)
- 题目类型：单选题
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B．具有酚羟基
C．具有苯环
D．具有氧原子
E．以上均不对
蒽醌类化合物具有酸性是因为（ ）
B．具有酚羟基
C．具有苯环
D．具有氧原子
E．以上均不对
蒽醌类化合物具有酸性是因为（ ）
判定溶剂的极性大小是（ ）
判定溶剂的极性大小是（ ）
该部分作为估价技术报告的内容，还有哪些错误和不完善的地方?
该部分作为估价技术报告的内容，还有哪些错误和不完善的地方?
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