截瘫的并发症是
A．压疮
B．排尿障碍和泌尿系感染
C．呼吸衰竭和肺部感染
D．高热
E．高血压
参考答案：A,B,C,D
______ their hats into the air, the fans of the winning team let out loud shouts of victory.
A．To throw
B．Thrown
C．Throwing
D．Being thrown
对呼吸系统有毒性的药物是（）
A.马钱子
B.蟾酥
C.关木通
D.枳实
E.苦杏仁
