急性闭角型青光眼(如图)慢性期特点是()
A.房角粘连达120°
B.眼压中度升高
C.有青光眼视盘改变
D.有视野缺损
E.以前没发作过
参考答案:B, C, D
A great number of reporters _________ to London to report the 30th Olympic Games.
A.is invited
B.are invited
C.will invite
D.will be invited
IgG为()
A.单体
B.二聚体
C.三聚体
D.四聚体
E.五聚体