小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com练习52语法填空＋阅读理解Ⅰ.语法填空2022·全国乙卷说明文210词★★★☆☆May21stthisyearmarksthefirstInternationalTeaDay,whichwasnamedofficially1.________theUnitedNationsonNovember27th,2019.Tocelebrate2.________festival,anumberofeventstookplaceattheChineseBusinessmanMuseuminBeijingonThursday.ThechairmanoftheChinaCulturePromotionSociety3.________(address)theopeningceremony.“AsamainpromoteroftheInternationalTeaDay,thebirthplaceofteaandthe4.________(large)teaproducingcountry,Chinahasa5.________(responsible)toworkwithothercountriestopromotethehealthydevelopmentoftheteaindustry.Itcanhelptobuildacommunitywitha6.________(share)futureformankind，”hesaid.The“FirstInternationalTeaDayTeaRoadCooperativeInitiative”issued(发布)attheceremonycallsforpeopleworkingintheteaindustrytocometogethertopromoteinternationalcooperation7.________culturalexchanges.Afouryearteapromotion—TeaRoadCooperativePlan—wasalsoissuedinaccordancewiththeinitiative.8．________(strengthen)theconnectionwithyoungpeople,theeventincludedanumberofpublicpromotionalactivitiesonsocialmedia,9.________(invite)twentynineteaprofessionalsfromaroundtheworldtohavethirtysixhoursofuninterruptedlivebroadcasts.TheChineseAncientTeaMuseumwasofficiallyunveiled(揭幕)attheceremony,opening10.________(it)firstexhibition:TheAvenueofTruth—ASpecialExhibitionofPu'erTea.Ⅱ.阅读理解A2023·石家庄质检Ⅱ说明文281词★★★★☆Manyownersofelectriccarshavewishedforabatterypackthatcouldpowertheirvehicleformorethanathousandmilesonasinglecharge.Researchershavedevelopedalithiumairbatterythatcouldmakethatdreamareality.Thenewbatterydesigncouldalsoonedaypowerairplanesandtrucks.Themainnewcomponentinthislithiumairbatteryisasolidelectrolyte(电解质)insteadoftheusualliquidvariety.Batterieswithsolidelectrolytesarenotsubjecttosafetyproblemswiththeliquidelectrolytesusedinlithiumionandotherbatterytypes,whichcanoverheatandcatchfire.Moreimportantly,thesolidelectrolytecanpotentiallyboosttheenergyfourtimes,whichtranslatesintolongerdrivingrange.Foroveradecade,scientistshavebeenworkingovertimetodevelopalithium(锂)batterythatmakesuseoftheoxygeninair.Thelithiumairbatteryhasthehighestenergyofanybatterytechnologybeingconsideredforthenextgenerationofbatteriesbeyondlithiumion.Thenewsolidelectrolyteiscomposedofamaterialmadefromrelativelyinexpensiveelements,comparedwiththepastdesigns.Besides,thechemicalreactioninlithiumiononly小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.cominvolvesoneortwoelectronsstoredperoxygenmolecule(分子),whilethatforthelithiumairbatteryinvolvesfourelectrons.Moreelectronsstoredmeanshigherenergy.Thenewdesignisthefirstlithiumairbatterythathasachievedafourelectronreactionatroomtemperature.Italsooperateswithoxygensuppliedbyairfromthesurroundingenvironment.Thecapabilitytorunwithairavoidstheneedforoxygentankstooperate,aproblemwithearlierdesigns.“Withfurtherdevelopment,weexpectournewdesignforthelithiumairbatterytoreacharecordof1，200watthoursperkilogram，”saidCurtiss,aresearcher.“Thatisnearlyfourtimesbetterthanlithiumionbatteries.”1．Whatcontributesmosttothelithiumairbattery?A．Lithiumion.B．Oxygenmolecules.C．Solidelectrolytes.D．Liquidcomponents.2．What'stheproblemwithlithiumionbatteries?A．They...