2023学年河北省邢台市重点中学高考英语五模试卷（含答案解析）

2023高考英语模拟试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．Neverinmylife________suchabeautifulsunrise!A．haveIseenB．IhaveseenC．didIseeD．Isaw2．TheartistissaidduringtheproductionandthusapiratedvideowassoldineverypartofKenya.A．tobecheated B．beingcheatedC．tohavebeencheated D．havingbeencheated3．Ireallydon’tknow_________shegetsbyonsuchamodestsalary.A．whatB．whyC．howD．that4．—Bobsayshewilldrawlessonsfromhisfailureandcontinuetotry.—I’mdelightedthathe________takethatview.A．willB．mayC．shouldD．could5．—AreyoucomingtoJeff’sparty?—I’mnotsure.I______gototheconcertinstead.A．must B．wouldC．should D．might6．—Ineedtoadvertiseforaroommatefornextterm.—________？Maryisinterested.A．Whybother B．WhynotC．Sowhat D．Whatfor7．______,hisideaswasacceptedbyallthepeopleatthemeeting.A．Strangeasmightitsound B．AsitmightsoundstrangeC．Asstrangeitmightsound D．Strangeasitmightsound8．Thekitchenisoftenthebusiestroominahousehold,soit’simportanttomakesureitwell.A．smoothes B．functions C．pays D．measures9．–Whichdriverwastoblame?--Why,______!Itwasthechild’sfault,clearandsimple.Hesuddenlycameoutbetweentwoparkedcars.A．both B．eachC．either D．neither10．Theresearcherswhostudyjokeswanttofindout_______peoplefromdifferentnationsandculturesfindfunny.A．why B．thatC．what D．whether11．Thestudentshavedecidedonafinaldatebywhicheveryone________readingthebooksassignedbytheirprofessor.A．finishes B．finishedC．havefinished D．willhavefinished12．AlthoughshedidnotknowBostonwell,shemadeherway________totheHomeCircleBuilding.A．easyenough B．enougheasyC．easilyenough D．enougheasily13．Itwasadifficultjobforhim.Hehadtriedeverythingbutitmadelittle________.A．use B．goodC．difference D．result14．Themanwasina________conditionwithsevereinjuriestohislegsafterbeingattackedbyasharkinfarnorthQueensland.A．skepticalB．criticalC．practicalD．physical15．Itwasreportedthatasmanyas50%ofpatientsdonottakemedicine______directed,______hasdrawndoctor’sattention.A．when;it B．as;what C．as;which D．that;and16．It’salwaysdifficult______inaforeigncountry,especiallywhenyoudon’tspeakthelanguage.A．beingB．tobeC．havingbeenD．tohavebeen17．Theoldcouple,________countrylife,wereunwillingtomovetothecitytolivewithhisson.A．accustomedto B．buriedinC．addictedto D．exposedto18．IthinkTomwillmakeagoodmonitor,________I’dliketovoteforhim.A．butB．forC．orD．so19．––Aretherepairsfinishedyet?––Yes,they______whenIcamebackhome.A．wouldbecompletedB．wouldcompleteC．hadcompletedD．hadbeencompleted20．Backwardsomewhattechnologically________weareforthemoment,wehaveconfidenceinourabilitytocatchupintime.A．althoughB．ifC．asD．once第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）Doyouknowhowitiswhenyouseesomeoneyawnandyoustartyawningtoo?Orhowharditistobeamongpeoplelaughingandnotlaughyourself?Well,apparentlyit’sbecausewehavemirrorneurons(神经元)inourbrains.Putsimply,theexistenceofmirrorneuronssuggeststhateverytimeweseesomeoneelsedosomething,ourbrainsimitateit,whetherornotweactuallyperformthesameaction.Thisexplainsagreatdealabouthowwelearntosmile,talk,walk,danceorplaysports.Buttheideagoesfurther:mirrorneuronsnotonlyappeartoexplainphysicalactions,theyalsotellusthatthereisabiologicalbasisforthewayweunderstandotherpeople.Mirrorneuronscanundoubtedlybefoundalloverourbrains,butespeciallyintheareawhichrelatetoourabilitytouselanguages,andtounderstandhowotherpeoplefeel.Researchershavefoundthatmirrorneuronsrelatestronglytolanguage.Agroupofresearchersdiscoveredthatiftheygavepeoplesentencestolistento(forexample:“Thehandtookholdoftheball”),thesamemirrorneuronsweretriggeredaswhentheactionwasactuallyperformed(inthisexample,actuallytakingholdofaball).Anyproblemswithmirrorneuronsmaywellresultinproblemswithbehavior.Muchresearchsuggeststhatpeoplewithsocialandbehavioralproblemshavemirrorneuronswhicharenotfullyfunctioning.However,itisnotyetknownexactlyhowthesediscoveriesmighthelpfindtreatmentsforsocialdisorders.Researchintomirrorneuronsseemstoprovideuswithevermoreinformationconcerninghowhumansbehaveandinteract.Indeed,itmayturnouttobetheequivalentforneuroscienceofwhatEinstein’stheoryofrelativitywasforphysics.Andthenexttimeyoufeeltheurgetocoughinthecinemawhensomeoneelsedoes-well,perhapsyou’llunderstandwhy.1、Mirrorneuronscanexplain.A．whywecrywhenwearehurtB．whywecoughwhenwesufferfromacoldC．whywesmilewhenweseesomeoneelsesmileD．whyweyawnwhenweseesomeoneelsestayuplate2、Theunderlinedword“triggered”inthethirdparagraphprobablymeans“”.A．setoff B．cutoffC．builtup D．brokenup3、Wecanlearnfromthepassagethatmirrorneurons.A．relatetohumanbehaviorandinteractionB．controlhumanphysicalactionsandfeelingsC．resultinbadbehaviorandsocialdisordersD．determineourknowledgeandlanguageabilities4、Whatisthepassagemainlyabout?A．Waystofindmirrorneurons. B．Problemsofmirrorneurons.C．Existenceofmirrorneurons. D．Functionsofmirrorneurons.22．（8分）ZulemaMunozcollectsseaweedinasmallcoastaltown100milessouthofSantiago,Chile.Agoodweekmayseehercut1,100poundsofseaweedfromtherockswhereitgrows.Muftozisoneofthe30,000peopleforwhomChileanseaweedindustryprovidesalivelihood.ThroughoutLatinAmerica,thecultivation(种植)andcollectionofseaweedaregainingasupportbothasasourceoffoodandasameansofensuringfoodsecurityinaregionwhere34millionpeoplearefoodinsecureandpovertyaffects47percentoftheruralpopulation.CountriessuchasArgentina,Brazil,Colombia,Cuba,Ecuador,Mexico,Peru,andVenezuelahaveallexploredseaweedproductionforfood.Yetasdemandoutpacesproductionandwildstockshavedeclined，moreattentionisbeingpaidtosustainablecultivationandharvestingmethodsthatcankeeptheindustrysurviving.SeaweedhasalonghistoryinSouthAmericanstyleofcooking.ThenativecookingofChilemadefrequentuseofcochayuyo,themostabundantofthecountry750typesofseaweed.Today,cochayuyoiscommonlyfoundinplaceofmeatincharquican,atraditionaldishcookedslowlyinaclosedpan.Kelp,atypeoflargebrownseaweed,asthenewvegetableisaglobaltrendtoo,andforgoodreason.Nutritionally,seaweedispackedwithiodineandothernutrients,andappearsontrend-makingmenusinGoogle'sNewYorkcafeteria,thoughitusedtobethoughtdifficulttogetpeopletoeatit.While83percentofcultivatedseavegetablesareproducedforhumanconsumption,wearen’tjusteatingit.Seaweedisusedinfertilizersandanimalfeed,andseaweed-basedfoodadditivesarelikelyinmanyproductsinyourkitchenandbathroomrightnow.Carrageenan,madefromredseaweed,isineverythingfromshampooandtoothpastetoicecreamandsomehotdogs.Whileseaweedgrowsreadily—thereareconcernsthathumansaretakingtoomuchofthewildstuff.Itispossiblethatoverexploitationofnaturalseaweedresourcescouldleadtosignificantecological,economic,andsocialconsequencesatlocal,regional,andevenglobalscales.InLatinAmericancountrieslikeBrazilandPeru,wheretheseaweedindustryisbasedonharvestingwildseaweedratherthancultivated,theneedforenvironmentallyfriendlymodelsisurgent.1、Whatdoyouknowaboutseaweed?A．Itishardtogrow.B．Itisgoodtohealth.C．Ittastesdelicious.D．Itcostsagreatdeal.2、Whatcanwelearnfromthepassage?A．Howpeoplecollectweed.B．Whatpeopledowithseaweed.C．Howpeoplecookwithseaweed.D．Wherepeopletradeseaweed.3、Whyisseaweedcultivatedaccordingtothepassage?A．Tomakethebestoftheseasandtoincreasetheexportofseaweed.B．Tohelpmorepeopleoutofpovertyandtoopenupitsnewmarkets.C．Tomeettheneedsofthemarketandtopreservethewildresources.D．Tocutthecostsofseaweedindustryandtobenefitruralpopulation.23．（8分）VisitorstothegroundsofNewCollegeatEngland’sOxfordUniversitypassunderanirongatewiththeadvice:Mannersmaketheman.Evenafteranappropriateupdateto:Mannersmaketheperson,it’sthought-provoking(引人深思的)—especiallytotoday’sAmericans.Whenwethinkaboutwhatmakestheperson—it’smorelikelythedegree,thejob,thesalary.Sincewhendowecountmannersasameasureofsuccess?Wedoknowthatthesewouldmakelifenicer,ifmoretolerable.However,weforgetoroverlookourmanners.So,itseems,doeseveryoneelse—including,unluckily,ourchildren.Asauniversitypresident,oneofmygreatjoysistovisitourcampusesandseeourstudents,thoughwe’reseparatedbydifferentgenerations,interests,and,ofcoursedressing,eachstudenttellsmesomethingwithinthefirstfewminutesthatwemeet:whetherheorshehasbeentaughtmanners.Isensethisindifferentways:throughherwordsorhergestures,inthewayshelistensorhowhereferstofriendsandfaculty,howshegreetsandsaysgoodbye,howherespondswhenanelderlypersonenterstheroom.Intheabsenceofmanners,however,Imakesomeallowances.Forinstance,themanyethnic(种族的)groupsthatstudentsrepresentoftenhavedifferentexplanationsofwhatmakesupgoodmanners.Inothercases,somestudentsmayrejectwhatthey’velearnedtobreakfromtheirparentsandbeacceptedbyotherstudents.Whetherstudentsarebeingdifferentoropenlyopposing,arecentexperienceIhadwiththemtellsmethatthere’ssomehopeforrevivingandgoodmanners.Goodmannersdon’tjustguaranteeacceptance.Goodmannersopendoorstodeeperconnectionsandmoremeaningfulrolesinoursociety.Goodmannersaregentlesignalsthatshowwecareaboutoneanotherandallowustorelatetoanotherpersoninathoughtfulwaybutatarespectabledistance.1、Whichofthefollowingisseldomamarkofsuccesstopeopletoday?A．Handsomeincome.B．Anacademicdegree.C．HighranksintheofficeD．Politebehavior.2、Whatdoestheunderlinedpart“makesomeallowances”inParagraph4probablymean?A．treattheabsenceofmannersdifferentlyB．rejecttheabsenceofmannersC．opposebadmannerssomehowD．partlypermitbeingintheabsenceofmanners3、Whichofthefollowingisthebenefitbygoodmanners?A．GoodmannersmakespeoplethoughtfulB．GoodmannershelpdeeperconnectionswithothersC．GoodmannersguaranteeacceptanceofourselvesD．Goodmannersinspirepeopletocareaboutoneanother24．（8分）ChildreninruralareasofCambodiaoftensufferfromorevendieofpreventableillnessesbecausethereisnotanysoapavailable.In2014，SamirLakhani，anAmericancollegestudent，sawtheissuewhilevolunteeringinaCambodianvillage.“Irememberquitevividlyamotherbathinghernewbornbabywithlaundrypowder，whichissoharmfultotheskin，”saidLakhani.“It’sdifficultforruralCambodianstoaccesssoap.Firstisaffordability.Ifyouearnonly$1.50everyday，youwon’tspend$1onabarofsoap.Thencomesaccess.Thedemandissolowthatlocalshopsdon’tstocksoap.Thelastreason，becausemanyCambodiansdon’treallyunderstandwherediseasescomefrom，theydon’tknowhowtopreventthem，includingusingsoap.”Afterfiguringoutasolutiontotheproblem:thebarely-usedsoapinhotels，Lakhanistartedaskinghotelstodonateleftoversoap.“Theywerealleagertohelp，”heexplained.LakhaniregisteredEco-SoapBankshortlyafterwards.Soon，hereceivedenoughfundstohiredisadvantagedCambodianwomentocollectandreproducetheusedsoap.Today，theorganizationhasfourrecyclingcentersacrossthecountry，providingjobsto35localwomen.Andsofar，some174，000barsofsoaphavebeendonated，about24，000poundsofsoaphasbeenrecycled，andhygiene(卫生)hasbeenimprovedforabout661，000people.“Wearekillingthreebirdswithonestone，”Lakhanisaid.WhenitcomestothefutureofEco-SoapBank，Lakhanisaid，“We’vejustscratchedthesurface.LackofhygieneisnotsomethinguniquetoCambodia.Thedemandforimprovedhygieneinthedevelopingworldishuge，andmuchremainstobedone.We’relookingatsevencountriestoexpandtointhenearfuture.”1、WhichofthefollowingisnotmentionedasthereasonwhyruralCambodiansdon’tusesoap?A．Poverty. B．Inaccessibility. C．Unawareness. D．Tradition.2、Whatdoestheunderlinedpart“killingthreebirds”inParagraph5referto?A．Savingsoap，curingdiseasesandprovidingeducation.B．Stoppingpollution，provingjobsandinspiringdonation.C．Reducingwaste，providingemploymentandimprovinghealth.D．Recyclingwaste，helpingcharityandimprovingcommunityhygiene.3、WhatcanweinferaboutEco-SoapBank?A．Itwon’tbelongbeforeitexpandstothewholeworld.B．There’slittleitcandowithoutothercountries’assistance.C．Itwillmakegreatercontributionstothedevelopingworld.D．ItwillsoonsettletheproblemofpoorhygieneinCambodia.4、Whatdoesthetextmainlytalkabout?A．Eco-SoapBankhelpsimprovehygiene.B．Cambodianwomenhaveabrightfuture.C．AUSyoungmancallsforhelpingpoorcountries.D．Lackofhygieneremainsaseriousproblemintheworld.25．（10分）Itbeganasagame:Highschoolandcollegestudentsstudyingcomputertechnologyfiguredouttheycouldusepersonalcomputerstobreakintotelephonecompanycomputersandmakefree,long-distancetelephonecalls.Theseyoungcomputertalentssoongainedthename"hackers".Policearrestedafewhackers,butmanywentontoevenmorecomplexhacking.Oneofthemwasarrestedformakingillegaltelephonecallsandlaterheusedaphonetochangeapoliceofficer'screditrecordstogetbackattheofficerforarrestinghim.Healsousedacomputertochangehiscollegerecordstogivehimselfbettergrades.Ashackersgainedexperience,theybeganinvadingcomputersatbanks,airlinesandotherbusinesses.Inonecaseahackerinstructedanairline'scomputertogivehimfreeairplanetickets.TheU.S.governmentisworriedthathackersmaybreakintoitsnetworksofdefensecomputers.Thegovernment'ssecretsareeasilyattackedbecausethousandsofgovernmentcomputersareconnectedbytelephonelinesthathackerscangetinto.InNovember1988,acollegestudententeredaU.S.DefenseDepartmentcomputernetworkcalledArpanet.ThehackerinjectedacomputerprogramthatmadecopiesofitselfthroughoutArpanet.Somehackersusevirusestodestroyallthedatainacomputer.Butinthiscase,governmentofficialsshutdownthenetworkbeforetheprogramreachedeverycomputerinthesystem.Shuttingdownthesystemangeredmanyresearcherswhowereusingthecomputers.Thehackerturnedhimselfintothepoliceandhewaschargedwithacrime.TheincidentputthespotlightoncomputerhackingintheUnitedStates.Manycompanieshavehiredexpertstoprotecttheircomputersfromhackers,andmanycomputerexpertsnowadvisecompaniesonhowtoprotecttheircomputers.TheU.S.governmentbelievesforeigngovernmentshavehiredhackerstotrytobreakintotop-secretdefensecomputers.Expertsdisagreeoverwhetheracomputernetworkcaneverbesafefromhacking.Butinthefuture,someofthemostoutstandingmindsintheU.S.willbeworkingtofrustratetheattemptsofcomputerhackers.1、Whatdidthefirsthackersdo?A．Theybrokeintogovernmentcomputers. B．Theydestroyedairplaneticketsystems.C．Theyplayedcomputergames. D．Theymadefreephonecalls.2、WhycanU.S.governmentcomputersbeeasilyhackedinto?A．Theyhavenodefensesystems. B．Theyareconnectedbytelephonelines.C．Theyarepartlyaccessibletothepublic. D．Theylackcomplexprocessingprograms.3、WhathappenedtothegovernmentcomputersinNovember1988?A．Theylostalloftheimportantdata.B．Theywereshutdownbyresearchers.C．Theywereinvadedbyacollegestudent.D．Theygottotallyruinedbyacomputerprogram.4、Whatdidcompaniesdecidetodotoprotecttheircomputersystems?A．Employcomputertalents. B．Buildsecretdefensesystems.C．Askthegovernmentforhelp. D．Collectandanalyzethedataofhackers.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）Yesterdayafternoon,Iboughtafewthingsfromthesupermarket.Idecidedtobuyachocolatebarforthe1,andgiftitwithasmilecard.Thewomanatthecheck-out2wasanoldlady,andatfirst,sheseemedvery3.Afterpaying,Iwas4togivemygifttoher,5forthewholetimeweinteracted,shedidn’tsmileatall.Nevertheless,6thecourageandgaveittoher,explainingthatitwasforher.Sheseemed7atfirstbutthenahugesmilespreadacrossherface,andshewassohappyandthankful!Shetoldmethatno8hadeverdoneanythingniceforherbefore.IfeltsohappythatIwasableto9herday!ThenIwentoutto10forthebusatthebusstop.Aladycameovertome.Shewas11aboutwhatbussheshouldtaketogettoherneighborhood12whenherbuswascoming.I13ittoher,andshetoldmethatshewas78yearsoldandshewouldnotbeabletorememberthe14.SoIwroteitonherhand.Shewasso15andwestoodandchattedforawhile.IrememberedIhad16chocolatebarinmybagsoIgaveittoheralongwithasmilecard.Shewasreally17andthensaidthateverytimeshe18tothisexactbusstop,someonecomesandhelpsher.Shesaidshethinkseachofthemislikean19eachtime.Asmybusdroveup,Isaidgoodbyetoher,20herahug,andwepartedourownways.1、A．childB．cashierC．friendD．parent2、A．roomB．stationC．counterD．shop3、A．delightedB．terrifiedC．depressedD．scared4、A．anxiousB．nervousC．obviousD．dangerous5、A．whenB．althoughC．becauseD．unless6、A．pickedupB．clearedupC．gaveupD．brokeup7、A．embarrassedB．shockedC．pleasedD．exhausted8、A．customersB．familiesC．relativesD．officials9、A．causeB．stopC．makeD．involve10、A．longB．waitC．careD．seek11、A．convincedB．addictedC．worriedD．confused12、A．orB．butC．andD．then13、A．declaredB．explainedC．expectedD．connected14、A．shapeB．typeC．timeD．number15、A．sweetB．beautifulC．generousD．tough16、A．anotherB．oneC．otherD．that17、A．happyB．lovelyC．proudD．simple18、A．arrivesB．repliesC．comesD．refers19、A．eagleB．artistC．angelD．emperor20、A．sparedB．gaveC．fledD．refused第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）ThereisanEnglishsaying:“Laughterisbestmedicine.”Untilrecently,fewpeopletookthesayingseriously.Now,however,doctors1．(begin)tolookintolaughterandtheeffectsithasonthehumanbody.Theyhavefoundthatlaughterreally2．improvepeople’shealth.Testsweredonetostudytheeffectsoflaughteronthehumanbody.Peoplewatchedfunnyfilms3．doctorscheckedtheirheart,bloodpressure,breathingandmuscles.Thedoctorsfoundthatlaughterhassimilareffects4．physicalexercise.Itincreasesbloodpressure,heartbeatingandbreathing;italsoworksseveralgroupsofmusclesintheface,thestomach,andeventhefeet.5．laughterexercisesthebody,itmustbehelpful.Othertestshaveshownthatlaughterseemstobeabletoreducetheeffectsofpainonthebody.Inoneexperiment,doctorsproducedpainingroupsofstudentswholistenedtodifferentradioprogrammes.Thegroupthattoleratedthepainfor6．(long)timewasthegroupwhichlistenedtoafunnyprogramme.Thereasonwhylaughtercanreducepainseemstobe7．ithelpsproduceakindofchemicalinthebrainwhichcandiminishbothstressandpain.Asaresultofthesediscoveries,somedoctorsintheUnitedStateshavesetuplaughterclinics,8．theyhelpimprovetheirpatients’conditionby9．(encourage)themtolaugh.Theyhavefoundthat10．theirpatientsdonotreallyfeellikelaughing,makingthemsmileisenoughtoproducegoodeffectssimilartothosecausedbylaughter.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。删除：把多余的词用斜线（＼）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词。2.只允许修改10处，多者（从第11处起）不计分。LastSundaythestormstruckthevillagewheremygrandparentsusedtoliving.Thestormhaddestroyedtwentyhouses,thirteenofwhichwerebaddamaged.Theothershadeitherbrokenwindowsortornroof.Overtwohundredpersonswerekilled.Afewwereseriouslyinjuredandtaketohospital.Aboutsixhundredpeoplewerehomelessbecausethestorm.MrGreensaid“Thestormbeganataboutsevenintheevening.IwaswatchingTVwithmyfamilywhileweheardaloudnoise.Severalminuteslater,ourhousefelldownandcoveredus.Ittookusalongtimeafterwemanagedtoclimbout,butIfoundoneofhiskidswasmissing,soIwentbackinsideandfoundhersafeandsound.”第二节书面表达（满分25分）29．（25分）假定你是李华，曾在英国一所学校做过交换生。在端午节即将来临之际，请你给当时的同学Peter写封信。内容如下：1.感谢他的帮助；2.邀请他来中国过端午节；3.表达自己的愿望。注意：1.词数100左右；2.可以适当增加细节，以使行文连贯。___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2023学年模拟测试卷参考答案（含详细解析）第一部分（共20小题，每小题1.5分，满分30分）1、A2、C3、C4、C5、D6、A7、D8、B9、D10、C11、D12、C13、C14、B15、C16、B17、A18、D19、D20、C第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21、1、C2、A3、A4、D22、1、B2、B3、C23、Imaginethatyou’relookingatyourcompany-issuedsmartphoneandyounoticeane-mailfromLinkedln:“Thesecompaniesarelookingforcandidateslikeyou!”Youaren’tnecessarilysearchingforajob,butyou’realwaysopentoopportunities,sooutofcuriosity,youclickonthelink.Afewminuteslateryourbossappearsatyourdesk.“We’venoticedthatyou’respendingmoretimeonLinkedlnlately,soIwantedtotalkwithyouaboutyourcareerandwhetheryou’rehappyhere,”shesays.Uh-oh.It’sanawkwardscene.Attrition(损耗)hasalwaysbeenexpensiveforcompanies,butinmanyindustriesthecostoflosinggoodworkersisrising,owingtotightlabormarkets.Thuscompaniesaremakinggreatereffortstopredictwhichworkersareathighriskofleavingsothatmanagerscantrytostopthem.Methodsrangefromelectronicmonitortowell-designedanalysesofemployees’socialmedialives.Someofthisworkmaybeareasontoletemployeestoquit.Ingeneral,peopleleavetheirjobsbecausetheydon’tliketheirboss,don’tseeopportunitiesforpromotionorgrowth,orareofferedahigherpay;thesereasonshaveheldsteadyforyears.NewresearchconductedbyCEB,aWashington-basedtechnologycompany,looksnotjustatwhyworkersquitbutalsoatwhen.“We’velearnedthatwhatreallyaffectspeopleistheirsenseofhowthey’redoingcomparedwithotherpeopleintheirpeergroup,orwithwheretheythoughttheywouldbeatacertainpointinlife,saysBrianKropp,whoheadsCEB’sHRpractice.“We’velearnedtofocus