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練習(xí)52語法填空+閱讀理解Ⅰ.語法填空2022·全國乙卷說明文210詞★★★☆☆May21stthisyearmarksthefirstInternationalTeaDay,whichwasnamedofficiallytheUnitedNationsonNovember27th,2019.Tocelebratefestival,anumberofeventstookplaceattheChineseBusinessmanMuseuminBeijingonThursday.ThechairmanoftheChinaCulturePromotionSociety(address)theopeningceremony.“AsamainpromoteroftheInternationalTeaDay,thebirthplaceofteaandthe(large)tea-producingcountry,Chinahasa(responsible)toworkwithothercountriestopromotethehealthydevelopmentoftheteaindustry.Itcanhelptobuildamunitywitha(share)futureformankind,”hesaid.The“FirstInternationalTeaDayTeaRoadCooperativeInitiative”issued(發(fā)布)attheceremonycallsforpeopleworkingintheteaindustrytoetogethertopromoteinternationalcooperationculturalexchanges.Afour-yearteapromotion—TeaRoadCooperativePlan—wasalsoissuedinaccordancewiththeinitiative.8.________(strengthen)theconnectionwithyoungpeople,theeventincludedanumberofpublicpromotionalactivitiesonsocialmedia,(invite)twenty-nineteaprofessionalsfromaroundtheworldtohavethirty-sixhoursofuninterruptedlivebroadcasts.TheChineseAncientTeaMuseumwasofficiallyunveiled(揭幕)attheceremony,opening(it)firstexhibition:TheAvenueofTruth—ASpecialExhibitionofPu'erTea.Ⅱ.閱讀理解A2023·石家莊質(zhì)檢Ⅱ說明文281詞★★★★☆Manyownersofelectriccarshavewishedforabatterypackthatcouldpowertheirvehicleformorethanathousandmilesonasinglecharge.Researchershavedevelopedalithium-airbatterythatcouldmakethatdreamareality.Thenewbatterydesigncouldalsoonedaypowerairplanesandtrucks.Themainnewponentinthislithium-airbatteryisasolidelectrolyte(電解質(zhì))insteadoftheusualliquidvariety.Batterieswithsolidelectrolytesarenotsubjecttosafetyproblemswiththeliquidelectrolytesusedinlithium-ionandotherbatterytypes,whichcanoverheatandcatchfire.Moreimportantly,thesolidelectrolytecanpotentiallyboosttheenergyfourtimes,whichtranslatesintolongerdrivingrange.Foroveradecade,scientistshavebeenworkingovertimetodevelopalithium(鋰)batterythatmakesuseoftheoxygeninair.Thelithium-airbatteryhasthehighestenergyofanybatterytechnologybeingconsideredforthenextgenerationofbatteriesbeyondlithium-ion.Thenewsolidelectrolyteisposedofamaterialmadefromrelativelyinexpensiveelements,paredwiththepastdesigns.Besides,thechemicalreactioninlithium-iononlyinvolvesoneortwoelectronsstoredperoxygenmolecule(分子),whilethatforthelithium-airbatteryinvolvesfourelectrons.Moreelectronsstoredmeanshigherenergy.Thenewdesignisthefirstlithium-airbatterythathasachievedafour-electronreactionatroomtemperature.Italsooperateswithoxygensuppliedbyairfromthesurroundingenvironment.Thecapabilitytorunwithairavoidstheneedforoxygentankstooperate,aproblemwithearlierdesigns.“Withfurtherdevelopment,weexpectournewdesignforthelithium-airbatterytoreacharecordof1,200watt-hoursperkilogram,”saidCurtiss,aresearcher.“Thatisnearlyfourtimesbetterthanlithium-ionbatteries.”1.Whatcontributesmosttothelithium-airbattery?A.Lithium-ion.B.Oxygenmolecules.C.Solidelectrolytes.D.Liquidponents.2.What'stheproblemwithlithium-ionbatteries?A.Theyburneasilyifoverheated.B.Theyareunsafeinproduction.C.Theydamagetheenvironment.D.Theyrequirelongerchargingtime.3.HowdoestheauthororganizeParagraph4?A.Bygivingexamples.B.Bymakingparisons.C.Bypresentingstatistics.D.Byanalyzingcauseandeffect.4.Whatisthebesttitleofthetext?A.HowLithium-airBatteriesWorkB.WhatWillBeUsedtoPowerAirplanesC.ElectricCarsAreBeingMorePopularD.NewBatteriesOfferLongerDrivingRangeB2023·全國甲卷說明文310詞★★★☆☆Grizzlybears,whichmaygrowtoaboutmlongandweighover400kg,occupyaconflictedcorneroftheAmericanpsyche—werevere(敬畏)themevenastheygiveusfrighteningdreams.AskthetouristsfromaroundtheworldthatfloodintoYellowstoneNationalParkwhattheymosthopetosee,andtheiranswerisoftenthesame:agrizzlybear.“Grizzlybearsarere-occupyinglargeareasoftheirformerrange,”saysbearbiologistChrisServheen.Asgrizzlybearsexpandtheirrangeintoplaceswheretheyhaven'tbeenseeninacenturyormore,they'reincreasinglybeingsightedbyhumans.ThewesternhalfoftheU.S.wasfullofgrizzlieswhenEuropeanscame,witharoughnumberof50,000ormorelivingalongsideNativeAmericans.Bytheearly1970s,aftercenturiesofcruelandcontinuoushuntingbysettlers,600to800grizzliesremainedonamere2percentoftheirformerrangeintheNorthernRockies.In1975,grizzlieswerelistedundertheEndangeredSpeciesAct.Today,thereareabout2,000ormoregrizzlybearsintheU.S.TheirrecoveryhasbeensosuccessfulthattheU.S.FishandWildlifeServicehastwiceattemptedtode-listgrizzlies,whichwouldloosenlegalprotectionsandallowthemtobehunted.Botheffortswereoverturnedduetolawsuitsfromconservationgroups.Fornow,grizzliesremainlisted.Obviously,ifprecautions(預(yù)防)aren'ttaken,grizzliescanbeetroublesome,sometimeskillingfarmanimalsorwalkingthroughyardsinsearchoffood.Ifpeopleremovefoodandattractantsfromtheiryardsandcampsites,grizzlieswilltypicallypassbywithouttrouble.Puttingelectricfencingaroundchickenhousesandotherfarmanimalquartersisalsohighlyeffectiveatgettinggrizzliesaway.“Ourhopeistohaveaclean,attractant-freeplacewherebearscanpassthroughwithoutlearningbadhabits,”saysJamesJonkel,longtimebiologistwhomanagesbearsinandaroundMissoula.5.HowdoAmericanslookatgrizzlies?A.Theycausemixedfeelingsinpeople.B.Theyshouldbekeptinnationalparks.C.Theyareofhighscientificvalue.D.TheyareasymbolofAmericanculture.6.Whathashelpedtheincreaseofthegrizzlypopulation?A.TheEuropeansettlers'behavior.B.Theexpansionofbears'range.C.The
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