视 * * 水肿眼底呈现()
A.继发性视神经萎缩
B.视神经 * * 充血
C.边界模糊
D.静脉充盈
E.出血渗出和灰白水肿条纹
参考答案:B, C, D, E
— Must I do it now?
— No, you____.[ ]
A. won't
B. needn't
C. can't
D. don't
输精管结扎术后感染最常见的是
A.阴囊切口感染B.输精管炎C.精索炎D.精囊炎E.前列腺炎