下列哪种原因不使用吗啡镇痛
A.心肌梗塞引起的剧痛,血压正常者
B.癌症引起的剧痛
C.大面积烧伤引起的剧痛
D.严重创伤引起剧痛
E.颅脑外伤引起剧痛
参考答案:E
A large number of new schools __________ to help those left-behind children next year.
A.will build
B.will be built
C.were built
D.are built
根据前房角形态、病因机制及发病年龄,将青光眼分为()
A.原发性闭角型青光眼
B.继发性青光眼
C.新生血管性青光眼
D.原发性开角型青光眼
E.先天性青光眼