调度绞车正常运行中，两手可以离开制动手把。
参考答案：错
As well as ________ all his homework, he helped his mother with a good cleaning around the house.
A. finishing B. finished C finishes D. to finish
内源性哮喘最常见的类型是（）
A.感染性哮喘
B.精神性哮喘
C.阿司匹林哮喘
D.运动性哮喘
E.过敏性哮喘
