警报“WS WRNG MBST IN APCH RWY27”中微下击暴流所出现的位置是()
A.在27号跑道进近区
B.在机场跑道上空
C.在27号跑道上
参考答案:A
What a trouble I am in! If only I ______ my teacher suggestions.[ ]
A. followed
B. had followed
C. follow
D. am following
3,3,9,45,( )。
A.145
B.81
C.315
D.90