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阅读理解+七选五阅读(原创题组练)第五组Ⅰ.阅读理解Aneeds.ThishoolPBCisanannualeventwhereparentscankickofftheschoolyearwitheverythingtheirPalmBeachCountystudentneeds.ThisamazingmunityeventispackedwithFREEschoolsupplies,valuableresources,andexcitingsurprisestogetchildrenreadyforsuccess.alone.Studentsentisexpectedtoserveover12,000studentscountywide,withabout6,000attendingattheConventionCenteralone.Studentswillbestaggered(错开minutes.Weuttheday,withroughly250studentsservedevery15minutes.Wehavemultiplevolunteeropportunitiesonboththesetupandeventdays,butslots(名额event.Pleaseneeded.Thankasetakealookatthespotsavailableandsignuptoday!Youmaybeaskedtoassistwithadditionaltasksasneededthroughouttheevent.Pleasebepreparedtoremainflexibleandhelpwheremostneeded.Thankyouforparticipatingandsharingyourhearttohelpthedisadvantagedfamilies.IfyouareinterestedinvolunteeringattheVillageAcademylocation,pleaseclickhere.Detailssupplies.Settingackingandorganizingbackpacksandschoolsupplies.Settingupthevendor(供应商hallway.Thishallway.Thisinvolvesbending,pickingupboxes,movingtables,andmore.·Whoshouldvolunteer:allagesarewele!Mustbeabletostandforextendedperiodsoftimeandunpackboxes.Schoolagedchildrenareweletovolunteerforthisshift.Wewillhavemunityservicelettersforthosewhoneedthem.Time:·August10,2027MorningShift|7:3011:30AMAfternoonShift|11:00AM3:00PM·August11,20271stShift|7:30AM12:00PM2ndShift|11:30AM3:303rdShift|3:005:00PM1.Whocanbenefitfromtheevent?A.Childrenwillingtoshare.B.Youngstudentvolunteers.C.Studentsfrompoorfamilies.D.Parentswithlittlechildren.2.Whatarevolunteersexpectedtodo?A.Seekforsponsors.B.Tidyupschoolsupplies.C.Helpschoolagedchildren.D.Donatetothestudents.3.Whichshiftlaststhelongest?A.ThefirstshiftonAugust11.B.MorningShiftonAugust10.C.AfternoonShiftonAugust10.D.ThethirdshiftonAugust11.BInrecentyears,akindofdigitalmoney,called“cryptocurrency(加密货币)”hasbeengettingmoreandmoreattention.Therearemanykindsofcryptocurrencies,butthemostfamousoneiscalledBitcoin.WhenBitcoin’selectronicmoneywasfirstdeveloped,itwasahugechangefromotherkindsofmoney.Tounderstandwhy,it’shelpfultothinkaboutthewaymoneynormallyworks.Moneyisbasedaroundanagreementtopaysomeonesomething.Usually,banksorgovernmentsareinthemiddleofthisagreement.Ifyouhavealotofmoney,youmightopenabankaccounttokeepyourmoneysafe.That’sreallyjustanagreementbetweenyouandthebank:thebankwillkeeptrackofhowmuchmoneyyouhave,andgiveitbacktoyouwhenyouaskforit.Bitcoinisaputerbasedcurrencythatdoesn’tinvolvebanksorgovernments.Instead,itusesahugenetworkofusersconnectedbytheInternettokeeptrackofalltheBitcoin.Insteadofstoringthisinformationinjustoneplacelikeabank’sputers,it’sstoredinahugeputerfilethat’susuallycalledthe“blockchain(区块链)”.Anyonecangetacopyoftheblockchain.Infact,thesystemcountsonlotsofpeopledoingjustthat.ThesoftwarethatdrivesBitcoinrunsontheputersofpeoplewhomakeBitcoin.Theseprogramsareconstantlycheckingandfixingtheblockchaintomakesureit’scorrectanduptodate.UsingBitcoin,anyonecanpayanyoneelse,anywhere,withnobanksorgovernmentsinvolved.Andbecauseeveryonehasthesameblockchainthat’sconstantlycheckedandfixed,it’salmostimpossibletotrickthesystem.Bitcoinuserskeeptheirdigitalmoneyinaspecial“wallet”appontheirsmartphones.ThesewalletsletthemquicklyandeasilyexchangemoneywithotherBitcoinusersaroundtheworld.Thiscanbedonewithoutgivingawayinformationaboutwhoissendingorgettingthemoney.ManymorepeoplearenowusingBitcointhanwhenitwasfirstdeveloped.ManybusinessesnowallowpeopletopaywithBitcoin.SomecountriesareevenconsideringusingBitcoinorothercryptocurrencies.4.HowdoestheauthorintroduceBitcoin?A.Byusingquotes.B.Bymakingparison.C.Byexposingstatisticdata.D.Byexploringitsorigin.5.Whatisthefunctionofthe“blockchain”?A.TostoreinformationofBitcoin.B.ToexchangeBitcoinformoney.C.Toensuretheupdateofaputer.D.Toissueorderstoglobalputers.6.WhatisafeatureofBitcoin?A.Itcanguaranteesecurity.B.Itcanbecashedinabank.C.Itisbasedaroundanagreement.D.ItcanbestoredinaWeChatwallet.7.Whatcanbeasuitabletitle?A.BitcoinWillReplaceCashOneDayB.DigitalMoney—TakingaLookatBitcoinC.DigitalMoney—AnInternationalCurrencyD.CryptocurrencyIsingintoPeople’sViewCParentsaren’tsosimpletothinkthattheirscreenaddictedteensaren’tglancingattheirphonesecretlythroughouttheschoolday.Butnowanewstudyhasrevealedjusthowmuchtimestudentsspendscrolling(刷屏),andthenumbersmightbelargelyunderestimated.Thestudy,publishedlastweekinJAMAPediatrics,foundthatteensspend1.5hoursofthe6.5hourschooldayontheirphones—and25%oftheteensstudiedloggedphoneusageof2hoursormore.Messagingandsocialmedia—inparticular,Instagram—werethegreatestdriversofphoneusage,followedbyvideostreaming,audio,andemail.TheresearchfirmIpsosrecruitedstudentsaged13to18fromacrosstheUnitedStatesforthisstudy.ThesestudentsdownloadedtheRealityMeterappontheirsmartphones,whichmeasuredandreportedtheirphoneandappusageover2ormoreweekdays.Theresearchershopedtogainamoreaccuratereadingofstudents’smartphonehabitsusingthistrackingmethod.Theresultsshowedthathalfofstudentsusedtheirphonesforatleast66minutesoverthecourseoftheschoolday,anincreasefromapreviousstudyofonlyAndroidusers,whichshowedamedianof43minutes.Therearecertainlysomebenefitstostudentshavingaccesstophones—theycanallowparentstomunicatewiththeirkidsifneeded,andevencanbeahelpfullearningtool.However,theresearcherspointedoutthathighlevelsofsocialmediause—theaveragestudentspent25minutesonInstagram—suggeststhatforthemostpart,smartphonesaren’texactlybeingusedwithnobleintentions.Theresearchersnotedthatthestudyonlytookpersonalsmartphoneuseintoaccount,anddidn’tconsideroverallscreentimesuchastimespentonschoollaptopsortablets.Astotheuseofsmartphones,itissaidthatNewYorkwillmakeaplan.GovernorHochulsaid,“Fromparentsandteachers,tosocialjusticeandlawenforcementleaders,NewYorkersagreethatouryoungpeoplesucceedwhenthey’relearningandgrowing,notclickingandscrolling.”8.Whichfeatureofasmartphoneintereststeensmost?A.Emailsending.B.Videochatting.C.Socialmediausing.D.Videostreaming.9.Whatdoestheresultshow?A.Smartphoneshaven’tbeenmadefulluseof.B.Smartphonesaren’talwaysusedforgoodpurpose.C.Themajorityofteensusesmartphoneover60minutes.D.Smartphoneusetakesupmostofstudents’screentime.10.WhatwillbethemostlikelycontentofNewYork’splan?A.Students’phoneusewillberestricted.B.Onlyteensareallowedtoownasmartphone.C.Theteenswillbeguidedwhenusingsmartphones.D.ThegovernmentwillequipeachstudentwithaniPad.11.Whatistheauthor’sattitudetowardstudents’smartphonehabits?A.Tolerant.B.Objective.C.Opposed.D.Unexpected.DInmanycases,wolveswilldriveawayunwelegrizzlybearswhentheygettooclosetotheirpack,orabearwillscareoffwolvesenteringtheirterritory.Butavideo,whichwasshotin2021,showsagrizzlybearandwolveswalkedtogetherforseveralminutes.Sowhat’sgoingonhere?Itmaybeheartwarmingtothinkthebearhasbeeanhonorarypackmember,butinreality,itisn’t.Bearswillsometimesstealawolfpack’skilliftheyarehungryenough,accordingtoDanielMacNulty,awildlifeecologistatUtahStateUniversity.InYellowstone,grizzliesareseenmoreofteninthefallastheyventureouttoconsumeasmuchfoodaspossiblebeforewinterhibernation.Duringthisperiod,knownas“hyperphagia”,bearstakeriskstoobtainmorecalories—likestealingwolves’food.“Therecouldbeacarcassaquartermileawaythatyoujustcan’tsee,”saysDanielMacNulty.“It’sallthispushandpullofriskversusreward—that’swhatitesdownto,includingthekindoftolerancethatyouseeinthatvideo.”Thewolvesarelikelyalsorunningthesamecalculationswhendecidingwhethertodriveoffagrizzlyandriskinjuringmembersofthepackiftheanimalfightsback,headds.It’snotunusualforahungrybeartostealfoodfromotheranimals,includingmountainlions.Danielleda2022studyinYellowstonethatfoundabear’spresencecandecreaseawolfpack’soverallkillrate,likelybecausethewolveswaitaroundtoseeifthegrizzlyleavesbehindsomeafterstealingtheirkill.Oftentimes,thisislessdangerousforthewolvesthanattemptinganotherhunt,astheycanbeinjuredbytheirprey(猎物).Agrizzlybeartravelingaroundawolfpackforweeksatatimehasrarelybeendocumentedoncamera.ButYellowstoneisdifferent.TheU.S.nationalpark’sopengrasslandsallowforprimewildlifeviewing.“Yellowstonehasverylargepacksofwolves,”Danielsays.“Andtheyhavegrizzlybearsthatoverlapwiththem,whichisnotunmon,buttheydosoinveryopenandeasilyviewablelandscapes.Itcanbefairlydifficulttoobservethosesortsofinterspeciesinteractionsinotherplaces.”12.Whatdoyouthinkofagrizzlybearhangingoutwithwolves?A.Hungry.B.Playful.C.Frightened.D.Lost.13.Whatdoestheunderlinedword“carcass”inparagraph4probablymean?A.Awildlifeecologist.B.Awolfpack.C.Agrizzlybear.D.Ananimalbody.14.Howdoesabear’spresenceaffectawolfpack’skillrate?A.Wolveshopeforfoodleftbyabear.B.Wolvesdon’twanttosharetheirkill.C.Thebearmightmakewolvesfrightened.D.Animalstendtobefrightenedawaybyabear.15.WhichstatementmightDanielagreewith?A.Yellowstoneisahotspotforseeingwildlife.B.Grizzlybearsarelosingtheirabilitytoattack.C.Awolfpackisoftenseenhuntingbearsforfood.D.YellowstonehasthelargestgrasslandsintheU.S.Ⅱ.七选五Storingtomatoescanbequitedifficultformanypeople,asthey’reoftenplacedinthechillofthefridgealongsideotherfruitsandvegetables.16CookandkitchenexpertEmma,hasspilledthebeansonkeepingthoseredbeautiestasty,insistingthatroomtemperatureiswhereit’satwhenitestostorage.
Sheexplained:“Thebestplacetostoretomatoesisonyourkitchenworktopatroomtemperature.Keepthemawayfromanyheatsource.”Toavoidbruises(擦伤)onthesedelicatefruitsandensuretheystayintiptopcondition,Emmaremendslayingthemoutinaflatdishratherthanpilingtheminabowl.17
Whenitestothebigchill,it’sadvisedthattomatoesonlymakethetriptothefridgeoncethey’vehitpeakripeness.18Thatisbecausedoingsocanpreservetheirdeliciousness.Emmawarned:“Youshouldn’trefrigeratetomatoesunlessthey’vebeencut.”
19“Ifthetomatoesareattheirperfectripeness,ortheweatherisparticularlyhot—IactuallyDOremendthatyoustoreyourtomatoesinthefridge,”saysEmma.
Keepingtomatoesfreshatroomtemperaturerequiressomesimplesteps,though.Firstly,removethestemsfromthetomatoesastheycandrawmoisture(水分)away.20Storingthetomatoesinthiswaynotonlyhelpskeepmoisturebutalsoprotectsthebruisesfrombacteriabyminimisingitsexposure.
A.However,sheadmitstherecanbeanexception.B.Theydon’tknowdoingsocanruintheirtaste.C.Second,washthembeforeweputtheminthefridge.D.Butifit’salreadyatitsbest,youdon’tneedtoworry!E.Thisstrategypromotesairflowandkeepsdamageatbay.F.Thenplacethetomatoesupsidedownwiththestemsideonaflatdish.G.Andeventhen,it’scrucialtobringthembacktoroomtemperaturebeforeyoucook.
答案:Ⅰ.【语篇导读】本文是一篇应用文。文章主要介绍了一年一度的BacktoSchoolPBC活动的内容以及招聘志愿者的相关信息。1.C细节理解题。根据第二段中“Thisyear’seventisexpectedtoserveover12,000students...Thankyouforparticipatingandsharingyourhearttohelpthedisadvantagedfamilies.”可知,这次活动的受益者是来自贫困家庭的学生们。2.B细节理解题。根据Details部分中“Youwillbeunpackingandorganizingbackpacksandschoolsupplies.”可知,志愿者需要帮助整理书包和学习用品。3.A细节理解题。比较文章末的时间可知,1stShift|7:30AM12:00PM时间最长,共计4个半小时。【语篇导读】本文是一篇说明文。文章用浅显的语言介绍了数字货币——比特币的工作原理、机制以及它的优势等。4.B推理判断题。作者在第二段详细解释了传统货币的运作方式,第三段转而介绍比特币的去中心化特点。因此判断作者使用了对比的方法行文。5.A细节理解题。根据第三段末句“it’sstoredinahugeputerfilethat’susuallycalledthe‘blockchain’”可知,区块链的作用是存储比特币的所有交易信息。6.A推理判断题。作者在第五段提到“it’salmostimpossibletotrickthesystem”,即比特币系统因区块链的分布式记账和实时校验机制而几乎无法被篡改,体现了安全性。7.B主旨大意题。文章围绕加密货币展开,但核心是介绍比特币的定义、运作机制、特点及应用现状。B选项“DigitalMoney—TakingaLookatBitcoin”既点明了“数字货币”的背景,又聚焦比特币的具体介绍,符合全文主旨。【语篇导读】本文是一篇说明文。文章主要介绍了一份调查报告显示,青少年在校使用手机的时长呈增长的趋势,同时
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