2019-2020年高考英语二轮复习 阅读理解专练（2）

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1、2019-2020年高考英语二轮复习阅读理解专练（2）科普知识（阅读理解）由(xx安徽“江南十校”高三仿真卷一)改编Airtightplasticbagscanhelpfarmersprotecttheirharvestswithouttheuseofharmfulchemicals.Thesebagsaredesignedtokeepairoutofcropsinstorage.Theyareasimplewaytofightinsectsandkeepfoodfresh.TencountriesinWestandCentra

2、lAfricaareinvolvedinaprojecttoimprovethestorageofcowpeas,alsoknownasblack-eyedpeas.Farmerscanlosemuchoftheharvesttoinsectscalledbruchids.Thesegrowfromeggtoadultinafewweeksandthenlayfortytosixtymoreeggs.Theycandestroythewholeharvestwithinmonths.Farmerscanselltheircrop

3、immediately.Butsellingatharvesttimemeansmorepetitionandlowerprices.Ortheycanusepesticides(杀虫剂)tokillthebugs.ButcropscientistDieudonneBaributsasays,“Theyendupmisusingoroverusingthepesticide.InNigeria,theyhavereportedalotofcasesofdeath.TheyusuallycallitinNigeria‘killer

4、bean’.”Mr.BaributsaisaresearcheratPurdueUniversityintheAmericanstateofIndiana.TheprojectiscalledPICS,forPurdueImprovedCowpeaStorage.Hesaysthestoragebagsarethickenoughthatanyinsectsalreadyinthecowpeaswilldiefromlackofoxygen.Thelackofairwillalsohelppreventthegrowthofba

5、cteriathatcanruintheharvest.Thebagscostabouttwodollarseach.Mr.Baributsasaysthatisnotmuch,especiallyifitmeansfarmerscanwaitlongenoughtogetabetterpricefortheircrop.Thebagsareproducedlocally.Donorscurrentlysupporttheproject,butthegroupsinvolvedareworkingtobuildalastingm

6、arketforthebagsbecausedonorsupportfortheprojectwillnotlastforever.ApanybasedintheUnitedStatescalledGrainPromakesanotherkindofairtightbag.ThesearecalledSuperGrainbags.PhilVillers,thepany’spresident,sayssafelystoringaharvestnotonlyearnsmoremoneyforfarmers,italsoreduces

7、theamountoffoodlosttoinsects,spoilageandmishandling.“Whatdoesnotgetwastedandeatenmeansitisavailabletofeedahungryworld,”saidPhilVillers.1.What’sthebesttitleforthispassage?(　　)A.SimpleBagsSavetheHarvestB.PlasticBags:theEnemyofInsectsC.GoodNewsforHungryWorldD.Pesticides

8、ThreatenFoodSafety2.Itcanbeinferredthatbruchids　　　. A.stealthestoredcropforthefutureB.breedslowlyinthestoredharvestC.surviveinairti