1/4,2/9,3/16,4/25,( )
A.5/36
B.7/36
C.5/28
D.2/32
参考答案:A
腹股沟皮瓣的缺点是
A.皮肤粗糙
B.不易塑型
C.供区不够隐蔽
D.供皮面积较小
E.供区血管时有变异或缺如,且血管口径较小,多在1.0mm左右
People usually think lions are _____ scary.[ ]
A. kinds of
B. kind
C. kind of
D. some