急性巴比妥类药中毒时最主要的并发症和致死原因是（）
A.呼吸和循环衰竭
B.中毒性休克
C.大出血
D.急性肾衰竭
E.急性肝衰竭
参考答案：A
九针
your papers and see how many mistakes you have made. [ ]
A. Look through
B. Look after
C. Look for
D. Look into
