【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
Join right hand downwind at 3000ft
B.
Join right hand downwind at 2500ft
C.
Join left hand downwind at 3000ft
D.
Join left hand downwind at 2500ft
【单选题】L isten to the transmission or short exchange and choose the correct answer .
【单选题】L isten to the transmission or short exchange and choose the correct answer .
A.
Backtrack and vacate runway 04
B.
Turn left onto taxiway A4 proceed to C3
【简答题】L isten to the recording and choose the correct letter, A , B , or C .
【单选题】若 5 x + 2 与- 2 x + 7 的值互为相反数,则 x - 2 的值为( )
【单选题】L isten to the transmission or short exchange and choose the correct answer .
【简答题】若多项式2mx 2 -x 2 +5x+8-(7x 2 -3y+5x)的值与x无关,求m 2 -[2m 2 -(5m-4)+m]的值.