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英语学习讲义英语学习讲义B.Toinformandcallfor.D.Tointroduceandassess.B.Ahealthmagazine.D.Achemistrypaper.B.Toinformandcallfor.D.Tointroduceandassess.B.Ahealthmagazine.D.Achemistrypaper.Wheredoesthetextprobablycomefrom?A.Aguidebook.C.Anewsreport.Scientistssaytheyhavedevelopedasystemthatusesmachinelearningtopredictwhenandwherelightningwillstrike.Researchersreportthesystemisabletopredictlightningstrikesupto30minutesbeforetheyhappenwithina30-kilometerarea.Lightningisastrongburstofelectricityintheatmosphere.Sinceitcarriesanextremelypowerfulelectricalcharge,itcanbedestructiveanddeadly.Europeanresearchershaveestimatedthatbetween6,000and24,000peoplearekilledbylightningworldwideeachyear.Forthisreason,climatescientistshavelongsoughttodevelopmethodstopredictlightning.Thesystemtestedintheexperimentsusesacombinationofdatafromweatherstationsandmachinelearningmethods.Theresearchersdevelopedapredictionmodelthatwastrainedtorecognizeweatherconditionsthatwerelikelytocauselightning.Themodelwascreatedwithdatacollectedovera12-yearperiodfrom12Swissweatherstationsincitiesandmountainareas.Thedata,relatedtofourmainsurfaceconditions:airpressure,airtemperature,relativehumidityandwindspeed,wasplacedintoauniquemachinelearningalgorithm(算法),whichcomparedittorecordsoflightningstrikes.Researcherssaythealgorithmwasthenabletolearntheconditionsunderwhichlightninghappens.Theresearcherstest-ranthesystemseveraltimes.Theyfoundthatthesystemmadepredictionsthatprovedcorrectalmost80percentofthetime.“Itcannowbeusedanywhere,”theSwissFederalInstituteofTechnologysaidinastatement.TheresearchersplantokeepdevelopingthetechnologyinpartnershipwithaEuropeaneffortthataimstocreatealightningprotectionprogram.TheeffortiscalledtheEuropeanLaserLightningRodproject.Scientistsworkingontheprojectareexperimentingwithalasertechnologythatcouldsomedaycontrollightningactivity,transferringlightningchargesfromcloudstotheground.Theyhopethatsuchtechnologycanonedaybeusedasprotectionagainstlightningstrikes.Possibleusescouldbeatstations,airportsorplaceswherelargecrowdsgather.Whywasthesystemdeveloped?Tomeetkids'curiosityaboutlightning.Toshowthepoweroflightning.Tokeeptrackoflightningdeaths.Toprotectpeoplefromlightning.Whatisspecialaboutthesystem?A.Itwasbasedonanumberofsamplesworldwide.Itadoptedadifferentmachinelearningalgorithm.Itusedaneffectivemethodofcollectingdata.Itrequiredlowcostofpredictinglightning.Whatwilltheresearchersdonextwiththelasertechnology?A.Monitorlightningactivity.B.Preventtheoccurrenceoflightning.C.Directenergyfromlightning.D.Generateelectricitywithlightning.Whatcanbeasuitabletitleforthetext?A.ASystemofControllingLightningB.AMethodofForecastingLightningC.ATheoryofEmployingLightningD.AModelofCreatingLightning第二节(共5小题;每小题2.5分,满分12.5分)阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。IsSocietyTooDependentOnTechnology?Justthink,whatwouldhappenifyourcomputer,iPadorlaptopcrashedtoday?Whatifsomeonetookawayyourphoneforsomedaysorperhapsyoulostit?16Today,mostpeoplearebecomingdependentontechnology.Mostofuscannotgoforaminutewithoutlookingatourphonesandthefearofthebatterydyingisimmense.Ifyouhappentoworkinofficesyoumaybefamiliarwiththistrend._17Anyway,it'strue.Howcanworkcontinueifit'shardtosendanemailtoacolleagueorcustomer?Thisiscommoninalmostalloffices.Kidsusedtospendalotoftimewitheachotherorparentsplayingorjustsharingstories.Thoseeveninggamesafterschoolareover;watchingcartoonsonaSundayorplayingwithfriendsarenolongerthere.18Technologyhastakenalltheirtime.Societymayhavegonetoofarintechnologydependence.Ithasbecomesoimmensethatdoctorshaverecommendedfor“technologydetox".19Ifnot,accordingtoOxfordDictionary,TechnologyDetoxisaperiodduringwhichanindividualavoidsusinganyelectronicdevicesincludingcomputers,smartphones,etc.,asachancetoreducestressandfocusonsocialinteractionintheoutsideworld.Well,thechoiceremainsinourhands.Wemustagreethatsocietyisbeingcarriedawaybytheincreasedinventionsbeingintroducedinourlivestoday.20Meanwhile,weshouldhavethedisciplinetoturnitoffwhenwearesupposedtoexperiencelifeinreality.Perhapsyoumayhaveheardofit.Weappreciatetechnologysinceithasitsbenefits.IftheInternetisdown,allthetasksareoverfortheday.Technologyaddictionhasbecomeamajorproblemamongteenagers.Ifthinkingabouttheseincidencesmakesyoustressed,youarenotalone.Herearesomesignsthatourgenerationdependstoomuchontechnology.Today,mostkidsremainindoorsplayingcomputergamesorwithasmartphone.第二部分语言运用(共两节,满分30分)第一节(共15小题;每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。Yesterday,asalesmancalledmebyphone,onbehalfofatelecommunicationcompany,tosellhisphoneplans.IwasatworkandwhileIusuallydon't21tospendtimewiththoseconversations,I22myselfthatIcouldn'ttalkyetandproposedhimtocallmebackonehourlater,at6pm.That'swhathedid.Sowe2315minutes.Heexplainedtomehisdifferentphoneplans,whichhestatedtobebetterthanmy24one.Whilelisteningtohim,sometimesIwaslostinmythoughts.Igaveseveral“hmmhmm",asa25ofapprobation(赞同)andto26tohimthatIwasstillthere.Sometimes,Ifeltabit27,especiallyashehadabitofdifficultyincorrectlytalkinginFrench.ButIstayedcalmand28untiltheendofthediscussion.Attheendoftheconversation,he29thefollowingtome:“Thankyou,Olivier.Youarethefirstpersoninalongtime,withwhomIhada(n)30conversation.Usually,people31atus,insultus,andtreatusasthieves.Today,since10am,Ihadn'thada(n)_32withoutanoffense.Iknowyouhadalongdayatworkandyoucouldhave33infrontofyourTVordonesomethingelse.Instead,youlistenedcarefullytome.Iam34andIsincerelythankyou.Iwantedtotellittoyou”Ithankedhimforthisrevelation.Irealizedhowmuchhecouldhavebeenthesubjectofverbal35,allthroughhisworkingdays.Yet,hewasonlydoinghisjob.Ihopehewillhaveagoodweekend.21.A.forgetB.pretendC.likeD.dare22.A.comfortedB.excusedC.remindedD.convinced23.A.talkedB.arguedC.waitedD.rested24.A.previousB.uselessC.favoriteD.current25.A.signB.resultC.rewardD.rule26.A.whisperB.lieC.explainD.confirm27.A.guiltyB.impatientC.nervousD.moved28.A.silentB.patientC.politeD.concentrated29.A.revealedB.recommendedC.promisedD.introduced30.A.awkwardB.enjoyableC.usualD.brief31.A.waveB.signalC.pointD.shout32.A.interviewB.orderC.conversationD.quarrel33.A.workedB.relaxedC.complainedD.sleptA.disturbedB.embarrassedC.exhaustedD.touchedA.violenceB.communicationC.agreementD.explanation第二节(共10小题;每小题1.5分,满分15分)阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。PersonoftheYearintheCategoryofCulturalInfluencePictureayoungChinesewoman,36(dress)intraditionalclothing,pickingflowersinafieldtocreatemake-upforhercheeks,makingasofafrombambooandcookingupallsortsofdeliciousChinesefoodbyherself.Itmaysoundunreal,37suchapersondoesexistinreallife.LiZiqi,30,hasbecomeoneofChina'smostpopular38(celebrity)with9millionfollowersonYouTube,34milliononDouyinand22milliononWeibo.LiZiqi'svideos39(feature)hercookingandcreatingDIYproductsgreatlyattractpeoplelivinginbigcities.Toour40(amaze),shedoesitallwithoutusinganymoderntechnologyorelectricity.41dominatehervideosarescenesofpickingseasonalingredients(原料)fromherowngardenandsometimesinthemountainsandturningthemintotastydishesonherwood-firedpot.Listressestheseasonsinhercooking,42China'straditional24SolarTerms(节气)alsodo,andmakesfoodsuitablefortheparticularclimate.TherecameanintensedebateabouttheimageofChinaanditscultureshepresented.She43(accuse)ofpresenting44“outdated"imageofthecountrybysomecritics.Nevertheless,statebroadcasterCCTVandPeople'sDailypraisedherforherinitiative(首创)tohelpruralyouthbecomerich.Liziqi,bytellingan45(inspire)Chinastory,ispromotingtraditionalChineseculturetoaninternationalaudience.第三部分写作(共两节,满分40分)第一节(满分15分)假定你是李华,你的英国笔友John非常关心你,来信询问你在这个“史上最长”的寒假中,除了学习之外,还做了什么有意义的事情或学会了什么新技能,希望你能分享一下请你结合自己防疫期间的实际情况给他回信,内容包括:1.表示感谢;2.简单介绍这件事情或技能及其意义。1.词数80左右;2.可以适当增加细节,以使行文连贯。第二节(满分25分)阅读下面材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。续写的词数应为150左右。TheMake-upGuyDavewasamake-up(化妆)artistwhoregularlyheldmakeupartistryclassesatthelocalcommunitycollege.Hewaswellknownasanexcellenttrainerandenjoyedgreatpopularity.Usually,themajorityofhisstudentsweremiddle-agedhousewives,whowantedtofine-tunetheirmake-upskillssoastomakethemselvesmoreattractive.Butthistime,itwasbeyondhimthathisclasswasattendedbyamanaswell.Thenewstudentwasagentlemaninhisbestyearswithaseeminglyboundlessinterestinmake-upartistry.Hewaskeentolearnasmuchashepossiblycouldandaskedquestionswheneverandwhereverpossible.Hewassoabsorbedinlearningthathewouldn'tstopuntilhewassatisfiedwiththeresultofhiswork.Understandably,themanwasthenumberonesubjectofconversationwhentheotherwomenwerealone.Speculations(猜测)quicklystartedtospread.Whydidhelearnmake-up?Washetoseekforawomantobehislifepartner?Howab
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