Questão 1 do Concurso Escola de Especialistas de Aeronáutica (EEAR) - Sargento da Aeronáutica - Controle de Tráfego Aéreo (Turma 2) (2017)

According to the text,

  • A neither native speakers nor non-native speakers must be concerned about aviaton safety.
  • B there has been a breakdown in communication mainly between non-native speakers.
  • C the efforts to improve communication safety should be taken by native and non-native speakers.
  • D only non-native speakers should have the common sense to be clear and concise while delivering messages.