【单选题】The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 in...
【单选题】听力原文: The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over ...
【单选题】The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 in...
【简答题】The biggest safety threat(威胁)facing airlines today may not be a man with a gun ,but the man with portable(便携式)computer in business class .In the past 15 years ,pilots have reported about over 100 inci...