下述哪些为急性肺损伤的危险因素()
A.心肺复苏时大量输液
B.胃食管反流、误吸
C.溺水
D.体外循环
E.肺挫伤
参考答案:A, B, C, D, E
--- Did you get a dictionary?
--- No, I _____, but there were not any _____.
A.tried; to be left
B.had tried to; leaving
C.tried to; left
D.had tried; have left
用一个平面截正方体,若所得的截面是一个三角形,则留下的较大的一块几何体一定有( )
A.7个面
B.15条棱
C.7个顶点
D.10个顶点