最新精品汇编2012届高考各省市模拟试题分类汇编集阅读填空(二)11
1.Butstillthereisadangerthatgrowseveryyear.Airlinersgetlarger.Someairplanescanholdover300passengers.Andtheairitselfbecomesmoreandmorecrowded.Ifonegiantairlinercrashedintoanotherinmid-air,600livescouldbelost.2.Airtrafficcontrollerstellthepilotexactlywhentoturn,whentoclimb,andwhentocomedown.TheairtrafficcontrollersaroundabusyairportlikeLondon-Heathrowmayhandle2500planesaday.Notalofthemactuallylandattheairport.Anyplanethatfliesneartheairportcomesundertheordersofthecontrollersthere.__3__.Recentlysuchadisasteralmosthappened.__4__.One,with69passengers,hadcomefromToronto,andtheother,with176passengers,fromChicago,Anairtrafficcontrollernoticedonhisradarscreenthatthetwoplanesweretooclosetoeachother.Heorderedonetoturntotherightandtoclimb.Buthemadeamistake.Heorderedt