板蓝根长于治疗的病证是()
A.乳痈
B.疔毒
C.肺痈
D.肠痈
E.大头瘟毒
参考答案:E
If you ____________ Amy, ask her to come and see me as soon as possible!
A.catch sight of
B.lose sight of
C.are in the sight of
D.are at the sight of
简述腰椎穿刺术。