1) Where does a plane have to pass before taking off? a) By land b) By water c) Stopped 2) What helps the aeroplane to lift? a) The Engine b) The Gravity c) The Wind 3) How is speed called when the aeroplane takes off? a) Flying speed b) Aeroplane speed c) Air speed

Taking off

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？