我国常用的气管镜检查体位是()
A.仰卧位
B.侧卧位
C.坐位
D.膝肘位
E.仰卧垂头位
参考答案:E
行政机关是行使国家行 * * 的()。
A.主体
B.客体
C.对象
D.保障
The general manager demanded the job will be completed before the National Day.
A.would be completed
B.must be completed
C.had to be completed
D.be completed