给水泵冷油器出口油管最高点设有放气装置，并用分路管道与偶合器箱体相连接。
参考答案：对
对于FEV1小于多少的哮喘疑似患儿可选择支气管舒张试验（）
A.50%
B.65%
C.70%
D.75%
E.80%
Every time she was in trouble, she went to him for help, as he said he ___ do anything for her. [ ]
A. should
B. must
C. would
D. might
