鼻中隔前下部反复出血可采用的止血方法是()
A.局部硬化注射法
B.鼻中隔粘膜划痕
C.鼻腔纱条填塞
D.鼻中隔粘膜下剥离术
E.中鼻甲粘膜下剥离术
参考答案:A, B, C, D
__ his telephone number or e-mail address, she had some difficulty getting in touch with John.
A.Not knowing
B.Not to know
C.Not known
D.Not having known
在眼底示意图中,不同的眼底表现用不同的颜色表示
视网膜皱褶( )
A.红色B.蓝色C.绿色D.黄色E.棕色