冰片的用量是()
A.0.3~1.0g
B.0.1~0.2g
C.0.06~0.1g
D.0.03~0.1g
E.0.05~0.1g
参考答案:D
解析:[知识点] 开窍药——冰片
______ to sunlight for too much time will do harm to one's skin.[ ]
A. Exposed
B. having exposed
C. Being exposed
D. after being exposed
简述语音震颤