【判断题】The whole instrument panels of cockpit are replaced, including hard-wired dedicated switches.
【单选题】玛雅 ·安吉罗在美国文学上最杰出的贡献在于她的( )。
【简答题】问题一:凹槽尺寸 4 ×2 表示什么? 问题二:凹槽结构有什么作用?
【多选题】领队在飞行途中为旅游者提供的服务主要有( )。
【单选题】Instrument panels are now almost wholly _______ by electronic displays which are often re-configurable to save space.