麻黄的粉末显微特征有嵌晶纤维,(),表皮及角质层,棕色块.
参考答案:哑铃状气孔
改错。
( ) 1. The small bag have got two wheels.
A B C _______
( ) 2. This red T-shirt is to big for me.
( ) 3. My mother will buys me a new bike.
属于医疗用毒性药品的是()
A.美沙酮
B.氯胺酮
C.司可巴比妥
D.雄黄
E.异戊巴比妥