下列有机物不能通过加成反应制取的是[ ]
A．CH3CH2Cl
B．CH2ClCH2Cl
C．CH3CH2OH
D．CH3COOH
答案：D
中药材炮制加工的方法有哪些？
Koalas sleep the day and night they get up and eat leaves. [ ]
A in;in
B. at;in
C. at; at
D. during; at
