会阴侧切术后护理错误的是
A.嘱产妇向健侧卧位B.术后5天内擦洗外阴C.密切观察伤口情况D.伤口流脓应延期拆线E.伤口肿痛可湿热敷
参考答案:D
解析:伤口流脓应立即拆线引流。
科学家利用蚯蚓生物反应器处理有机物,生产营养价值较高的生物肥料等。下列与此有关的说法,不正确的是[ ]
A.可节省建设厂房和购买仪器设备的费用
B.减少环境的污染
C.生产成本低
D.不利于蚯蚓的正常生活
— John really said that. ____?
— I can't believe it.
A. Didn't he
B. Did he
C. Did it
D. Didn't it