题干
Tell me and I'll forget. Show me and I not remember. Let me try and I'll understand.
A：can
B：may
C：must
答案(点此获取答案解析）
B
Tell me and I'll forget. Show me and I not remember. Let me try and I'll understand.
A：can
B：may
C：must
可表示为
，某有机物
的多种同分异构体中，属于芳香醇的一共有(不考虑立体异构)
