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时间:2019-10-23
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1、时间:8~10分钟/篇 分值:2分/小题Passage1(2018天津)Manypeopletraveltodifferentplacesintheworldbyair.Usuallyittakesalongtime,perhapshalfaday,forpassengerstostayintheplane.Soairlines(航空公司)offerpassengersfood.Butitiscommonthattheyfeelbadaboutfoodtaste.Doyouagree?Tosolvethisproblem,airlinestryhardt
2、oimprovetheirfood.Theywouldliketodosobecausetheydon'twanttolosecustomers.However,accordingtoscientificresearch,partofthereasonwhyplanefoodtastesbadisthatathighaltitude(海拔)wecannottastethingsaswellaswedoontheground.Alsoscientistshavefoundthatournosesbecomeverydryevenbeforeaplanetak
3、esoff.Astheplanemovesup,thechangeinairpressure(气压)reducesonethirdofthesensibility(感觉)ofourtastebuds(味蕾).Soourtastebudsbecomesenseless.Thesadfact,however,isthatournosesdon'tknowit.Allofthesehelpexplainwhyfoodontheplanetastessobad.Theyalsohelpexplainwhyairlineschoosetoofferpassenger
4、ssaltyandspicy(辛辣的)food.Withoutdoingso,thefoodwouldbetasteless.Nowtherearemanyresearchesonthis.Accordingtooneofthem,somevolunteersareaskedtoliewiththeirfeethigherthantheirheadsforweeks.Andscientistswritedowntheirfeelingsaboutfoodtaste.Thoughscientiststrytheirbest,itisnotaseasyasth
5、eythought.Becausetheycan'tdealwiththespecialenvironmentsuccessfully,suchasthechangeinairpressure,makingfoodtastegoodisstillhardforthem.( )1.InParagraph2,“thisproblem”means________.A.passengersstaylongintheplaneB.foodontheplanetastesbadC.passengershavenofoodtoeatD.foodontheplaneis
6、expensive( )2.Whatdoairlinesdotosolvethisproblem?A.Getmorecustomers. B.Offermorefood.C.Improvetheirfood.D.Reducetheticketprice.( )3.Astheplanemovesup,thechangeinairpressurereduces________ofthesensibilityofourtastebuds.A.half B.onethird C.onefourth D.onefifth( )4.Whydoscien
7、tistsfeelithardtomakefoodontheplanetastegood?A.Thevolunteersdon'tknowaboutfoodtaste.B.Thevolunteersdon'tunderstandthem.C.Theycan'tfindenoughvolunteers.D.Theycan'tdealwiththespecialenvironmentsuccessfully.( )5.Whatisthebesttitleofthepassage?A.TasteofAirplaneFoodB.AirplaneTravelC.S
8、cientificResearchonNosesD.TheChan
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