1第19课时九年级(全)Units7~8一、阅读理解AOnMay5,2017,China’shome-madepassengeraircraft(飞机)C919completedits90-minutefirstflightandlandedsafelybackatPudongAirportinShanghai.C919isdevelopedbyCOMAC,aChineseaircraftcompany.ItisdesignedtocompetewithBoeing737andAirbusA320.ThefirstC919aircraftcancarry168passengersandisabletoflyadistancebetween4,075and5,555kilometers.It’sreportedthataC919costsaround50milliondollars,lessthanhalfofaBoeing737oranAirbusA320.Uptonow,morethan570aircraftshavebeenorderedfrom23customers,mostlyChinese,butalsoAmericanandThaicompaniesorairlines.COMACaimstotakeonefifthoftheworld’snarrow-bodyaircraftmarketandonethirdoftheChinesemarketby2035...