新生儿肺透明膜病的原因是（）。
A.羊水吸入
B.胎粪吸入
C.窒息
D.出生前感染
E.肺泡表面活性物质生成不足
参考答案：E
---I’m sorry to hear that some villagers got disabled in the earthquake.
---That’s too bad, but ________. [ ]
A. all is well that ends well
B. the darkest hour is nearest the dawn
C. where there is life, there is hope
D. it is good to have friends in trouble
《安全生产法》规定，生产经营单位发生生产安全事故后，（）应当立即报告本单位负责人。
A、事故现场监管者
B、事故现场领导人
C、事故现场有关人员
