The boy looks ________. [ ]
A. fool
B. food
C. foot
D. foolish
答案:D
角巩膜缘是角膜和下列哪项的移行区
A.结膜
B.巩膜
C.虹膜
D.脉络膜
屈膝时,防止胫骨向后移位的是()
A.内侧半月板
B.后交叉韧带
C.外侧半月板
D.前交叉韧带
E.关节软骨