最易并发颅脑损伤的颌骨骨折是
A．LeFortI型骨折
B．LeFortⅡ型骨折
C．LeFortⅢ型骨折
D．下颌骨正中骨折
E．髁状突骨折
参考答案：C
属于湿热类的温病有（）
A.暑温
B.伏暑
C.暑湿
D.湿温
E.烂喉痧
Today, we'll discuss a number of cases _____ beginners of English fail to use the language properly. [ ]
A. which
B. as
C. why
D. where
