外阴瘙痒的临床表现下列哪项是错误的()
A.痒多位于阴蒂、大阴唇
B.阵发性痒,一般夜间加重
C.阴虱引起痒多局限阴毛部位
D.局部皮肤出现抓痕和血痂
E.皮肤厚和苔癣样变
参考答案:A
The Town Hall _____ in the 1800's was the most distinguished building at that time. [ ]
A. to be completed
B. having been completed
C. completed
D. being completed
网络综合布线的传输介质中,光纤一般分为( )。
A.单模光纤
B.基频光纤
C.多模光纤
D.宽频光纤