【单选题】若爬升或巡航阶段在山区上空发生发动机故障,应该采用障碍物策略或飘降策略,剩余的发动机选择
【简答题】–Do you like swimming in a lake? –_____. I think swimming in big rivers is a lot more interesting. A.No problem B.Not so badly C.Probably not D.Not all that much
【判断题】C-C为单一柱面剖切用展开画法得到的全剖视图( )。
【单选题】— ____? — He is tall and thin. [ ]
A.
What does your brother do
B.
How old is your brother
C.
What does your brother look like