中考专题复习分类汇编：题型3-阅读理解-专项训练08-饮食、卫生与健康

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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