(如图)单纯疱疹性角膜炎在眼部的表现有()
A.树枝状和地图状角膜炎
B.角膜基质炎
C.角膜内皮炎
D.虹膜睫状体炎
E.滤泡性结膜炎
参考答案:A, B, C, D, E
将点B(5,-1)向上平移2个单位长度得到点A(a+b,a-b)则a=( ),b=( )。
When they went to the theatre, the play ______ for five minutes.
A.had begun
B.has begun
C.had been on
D.was on