黄癣造成头发()
A.1~2mm处折断
B.2~4mm处折断
C.暂时性脱发
D.永久性脱发
E.对头发无影响
参考答案:D
I had a little for breakfast. Now I'm _____ hungry. [ ]
A. kind of
B. a kind of'
C. a few
D. a little of'
具有分离麻醉效果的麻醉药是
A.硫喷妥钠
B.乙醚
C.氟烷
D.氯胺酮
E.氧化亚氮