题型:问答题 简答题 There is often one ________ English newspaper in countries ________ English is not the main language.[ ]A. everyday, whereB. every day, thatC. daily, where 查看答案
题型:问答题 简答题 飞机失速警告系统的作用是().A.当飞机接近机翼失速条件时,向机组人员发出警告信号B.当发动机转速过小时,向机组人员发出警告信号C.当飞机进入尾旋状态时,向机组人员发出警告信号D.当飞机失去飞行动力时,向地面和周围飞机发出迫降信息 查看答案