There is no point______ the piano, unless you practise every day.A.to learn to playB.by le
There is no point______ the piano, unless you practise every day.
A.to learn to play
B.by learning to play
C.in learning to play
D.having learned to play
There is no point______ the piano, unless you practise every day.
A.to learn to play
B.by learning to play
C.in learning to play
D.having learned to play
A.保持不变但真空速TAS增加
B. 增加且真空速TAS同百分比增加
C. 增加但TAS保持不变
A.增加且真空速TAS同百分比增加
B.保持不变但真空速TAS增加
C.增加但TAS保持不变
A、 顶飞机之前按下TAS PROBE HEATER跳开关
B、机轮离地后按下TAS PROBE HEATER跳开关
C、顶飞机之前断开TAS传感器和TAS计算机跳开关
D、机轮离地后断开TAS PROBE HEATER跳开关
A.PDTCH
B.PTCCH
C.PACCH
D.PBCCH
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