五脏与五窍的关系密切,其中肾开窍于()
A.鼻
B.耳
C.口
D.舌
E.目
参考答案:B
—Who is the boy over there?
—_____ is my brother. [ ]
A. He
B. His
C. Him
D. Himself
鉴别酚OH对位活泼H的反应是
A.K-K反应B.Ravmond反应C.Hcl-Mg粉反应D.Liebermann-Burchard反应E.Gibb反应