四六级阅读训练

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1、ReadingcomprehensionQuestions21to25arebasedonthefollowingpassage.Accordingtoairlineindustrystatistics,almost90%ofairlineaccidentsarenotsurvivableorpartiallysurvivable.Butpassengerscanincreasetheirchancesofsurvivalbylearningandfollowingcertaintips.Expertssayth

2、atyoushouldreadandlistentosafetyinstructionsbeforetakeoffandaskquestionifyouhaveuncertainties.Youshouldfastenyourseatbeltlowonyourhipsandaspossible.Ofcourse,youshouldalsoknowhowthereleasemechanismofyourbeltoperates.Duringtakeoffsandlandingsyouareadvisedtokeep

3、yourfeetflatonthefloor.Beforetakeoffyoushouldlocatethenearestexitandanalternativeexitandcounttherowsofseatsbetweenyouandtheexitssothatyoucanfindtheminthedarkifnecessary.Intheeventthatyouareforewarnedofapossibleaccident,youshouldputyourhandsonyouranklesandkeep

4、yourheaddownuntiltheplanecomestoacompletestop.Ifsmokeispresentinthecabin,youshouldkeepyourheadlowandcoveryourfacewithnapkins,towels,orclothing.Ifpossible,wettheseforaddedprotectionagainstsmokeinhalation.Toevacuateasquicklyaspossible,followcrewcommandsanddonot

5、takepersonalbelongingswithyou.Donotjumponescapeslidesbeforetheyarefullyinflated,andwhenyoujump,dosowithyourarmsandlegsextendedinfrontofyou.Whenyougettotheground,youshouldmoveawayfromtheplaneasquicklyaspossible,andneversmokenearthewreckage.21.Accordingtotheexp

6、erts,whenshouldtravelersreadandlistentosafetyinstructions?A．Duringlandings.B．Inanemergency.C．Throughouttheflight.D．Beforetakeoff.22.Whichexistssuggestedinthepassageshouldanairlinepassengerlocatebeforetakeoff?A.TheonesthatcanbefoundinthedarkB.Theonesatthebacko

7、ftheplaneC.Thetwoclosesttothepassenger’sseatD.Thenearestone23.Judgingfromthepassage,peoplehavemorechancetosurvivefiresinaircraftifthey_____.A.fastentheirseatbelttightlyB.keeptheirheadslowC.keeptheirfeetflatonthefloorD.readairlinesafetystatisticsbeforetakeoff2

8、4.AirlinepassengersarespecificallytoldNOTto_____.A.carrypersonalbelongingsinanemergencyB.jumpinanycircumstancesC.askquestionsaboutsafetyduringtheflightD.locatethenearestexit25.Whatisthema