乙脑的主要死因是（）。
A.高热抽搐
B.意识障碍
C.循环衰竭
D.呼吸衰竭
E.脑水肿
参考答案：D
Do you eat lunch before or after breakfast ?[ ]
A. Yes, I do.
B. Before breakfast.
C. After breakfast.
南北榜案
