红细胞渗透脆性试验脆性增加主要见于（）
A.PNH
B.海洋性贫血
C.遗传性球形红细胞增多症
D.再生障碍性贫血
E.自身免疫性溶血性贫血
参考答案：C
电光性眼炎的治疗原则为（）。
A.抗感染治疗
B.防止角膜上皮剥脱
C.防止睑球粘连
D.散瞳
E.止痛
I have been living in the town for nearly thirty years, but seldom _____as lonely as I do now.
A．have I felt
B．I had felt
C．I have felt
D．had I felt.
