扁于苔藓可引起（）性脱发，甲受累可出现进行性甲萎缩而导致（）。
参考答案：永久；脱甲
头颅外伤，CT扫描。
以下哪项是新鲜出血的CT值范围（）
A.60～80Hu
B.40～60Hu
C.30～50Hu
D.40～80Hu
E.20～40Hu
The new stadium beingbuilt for the next Asian Games will be _____ thepresent one.
A. as three times big as
B. three times as big as
C. as big as three times
D. as big three times as
