V-Y成形术适用于下列哪种情况()。
A、轻度的局限性下睑外翻
B、下唇唇缘外翻
C、鼻小柱延长术
D、颈部某些瘢痕
E、以上均是
参考答案:E
It shows that____ knowledge of first aid can make a real difference.
A.a
B.the
C.one
D./