練習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·石家莊質檢Ⅱ說明文281詞★★★★☆Manyownersofelectriccarshavewishedforabatterypackthatcouldpowertheirvehicleformorethanathousandmilesonasinglecharge.Researchershavedevelopedalithium-airbatterythatcouldmakethatdreamareality.Thenewbatterydesigncouldalsoonedaypowerairplanesandtrucks.Themainnewponentinthislithium-airbatteryisasolidelectrolyte(電解質)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