ARDS共同性病理变化有（）
A.气道阻塞
B.肺部感染
C.肺不张
D.急性心力衰竭
E.肺血管内皮和肺泡损害，肺间质水肿
参考答案：E
— Did you have any trouble finding your way in London?
— Yes, I tried to find my way to the museum but ____.[ ]
A. get lost
B. had been lost
C. lost
D. got lost
企业发生销售退回时，不论销售退回的商品是本年销售的，还是以前年度销售的，均应冲减本年度的销售收入与成本。 ( )
