细菌性角膜炎发病的危险因素有()
A.维生素缺乏
B.长期使用免疫抑制剂
C.干眼症
D.糖尿病
E.角膜接触镜
参考答案:A, B, C, D, E
What a pity! ________joined in the party, I would have met my old friend.
A.lf I have
B.Had I
C.I had
D.Have I
急性胃炎的确诊有赖于
A.上消化道钡餐
B.胃镜检查
C.临床症状
D.上腹部CT
E.消化系B超