经口气管插管相对禁忌症()
A.口腔颌面部外伤
B.上呼吸道烧伤
C.喉及气管外伤
D.颈椎损伤
E.以上全部
参考答案:E
—Why do you like Yao Ming and Yi Jianlian?
—Because of them tells the world how great Chinese are! [ ]
A. neither
B. any
C. one
D. each
散光眼是否不如近视眼?能矫正吗?