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已知函数f(x)=|2x-1|,x∈R. (Ⅰ)解不等式f(x)<|x|+1; (Ⅱ)若对x,y∈R,有|x-y-1|,|2y+1|,求证:f(x).
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高三下学期数学《》真题及答案
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(﹣∞,1)
(1,+∞)
(1,2)
(﹣∞,﹣1)∪(1,+∞)
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Chinahasbecomethefirstcountrytosuccessfullylandaspacecraftonthefarsideofthemoon.TheChang'e-4probe探测器hasalsomadethefirstlunarlandingsince1972.Ithasthetaskofexploringthesideofthemoonthatneverfacestheearth.Thedarksideofthemoonisolderandhasathickersurfacethanthevisibleside.Ittakesthemoonaslongtogoaroundonitsownaxis轴asitdoesforonecompleteorbitaroundtheEarth. TheChineseprobelandedinahugecrater2500kmindiameterand13kmdeep.Thecraterisoneoftheoldestpartsofthemoonandoursolarsystem. Scientistshopetolearnmoreaboutthegeologyofthefarsideofthemoon.Thecrafthastwocamerasonboardwhichwillsendimagesbacktoearth.Itwillalsoattempttosendsignalstodistantregionsofspacesomethingthatcannothappenonearthbecauseoftoomuchradionoise. Chang'e-4alsohasinstrumentsonboardtoexaminemineralsaswellasacontainerwithseedswhichwilltrytocreateaminiature微型的biosphere生物圈. Communicationwiththespacecraftisnoteasy.Imagesandotherdatamustbetransmittedtoaseparatesatellitebecausenodirectcommunicationwiththeearthispossible. ForChinatheChang'e-4missionisanimportantachievementbecausethecountryhassuccessfullydonesomethingnoothernationonearthhas.Itwantstobecomealeadingpowerinspaceexplorationandhasannouncedplanstosendastronautstothemoonandsetupitsownspacestation. 1WheredidtheChang'e4probeland? A.Onthelunarsidefacingtheearth B.Ontheinvisiblesideofthemoon C.Inayoungercrateronthemoon. D.Inapreviousspacestation. 2Whyisthecraftequippedwithacontainer? A.Toseewhatseedscancomeoutonthemoon. B.Tocollectsomeimportantmatteronthemoon. C.Tofindwhethertheseedscangrowonthemoon. D.Tocheckwhethersomemineralsexistonthemoon. 3Whatcanwelearnfromthetext? A.Thedarksideofthemoonisascoldastheotherside. B.Thebrightsideisyoungerandthinnerthantheotherside. C.Otherplacesinspacemayhardlyreceivesignalsfromthecraft. D.Thetwocamerasonthecraftcansendpicturestotheeartheasily. 4AccordingtothetextwhatwillChinadointhefuture? A.Chinawilllandmannedspacecraftonthemoon. B.Chinawillbuiltanotherspacestationonthemoon. C.Chinawilllaunchmorespaceprobestothemoon. D.Chinawillbecomethefirstcountryinexploringspace.
图甲为一列沿x轴传播的简谐横波在某时刻的波形图Q为平衡位置为x1=10cm的质点P为平衡位置为x2=17.5cm的质点.图乙为Q质点从该时刻起的振动图象.①判断波的传播方向②从该时刻起在哪些时刻质点Q会出现在波峰③从该时刻起P点第二次回到平衡位置通过的路程结果保留3位有效数字.
PeopleYou'veNeverHeardofWhoChangedtheWorld Itisafactthatmostpeoplelivetheirlivesunremarkedbyhistory.Whetherbydesignorbyaccidenttherearesomepioneerswhoseachievementschangedthecourseofhistorybutwhosenamesareunknowntous. JamesHarrison JamesHarrisonhassavedthelivesofovertwomillionpeoplebydonatinghisblood1173timesaGuinnessworldrecord.Hisbloodproducesarareantibody抗体whichcurestheotherwisedeadlyRhesusdiseaseinunbornchildren.Ithasalsobeenusedinthedevelopmentofamedicineanti-DwhichwillcuretheRhesusdiseaseinchildrenforever. LewisLatimer AfterhelpingAlexanderGrahamBellobtainhispatentforthetelephoneLewisLatimerpatentedacarbonfilament碳灯丝whichallowedlightbulbstoburnforhoursbeforeburningoutmuchmoreusefulthanthatinventedbyThomasEdison.Latimerwentontoinventmanyotherusefuldevicesincludingadevicewhichcooledandcleanedpatients'roomsinhospitals. MauriceHilleman Notallachievementsrequirebraveryandself-sacrifice.TakeMauriceHillemanforexample.Hefoundanotherwaytochangetheworld.Hedevelopedthemumpsvaccine疫苗afterhisdaughtergottheillness.Andhedidn'tstopthere.Intotalhehassingle-handedlydevelopedover40vaccinesincludingeightcommonlygiventochildren.Hisworkhassavedmillionsoflivesandpreventedseriousconsequencesduetothediseases. NilsBohlin In1959NilsBohlinpatentedarevolutionarydesignthathassavedmillionsoflives-thethree-pointsafetybelt.Aftertheinitialresistancefromdriverswhohatedbeingtoldwhattodoandevenfortheirowngoodthethree-pointbelthasbecomeastandardfeatureinnewcarsaroundtheworld. 1Whosepatentallowedlightbulbstoburnforhoursbeforeburningout? A.AlexanderGrahamBell. B.LewisLatimer. C.ThomasEdison. D.NilsBohlin. 2What'sthesimilaritybetweenJamesHarrisonandMauriceHilleman? A.Theybothhadspiritsofbraveryandself-sacrifice. B.Theircontributionssavedthelivesofmanychildren. C.Theydevotedthemselvestoworkbecauseoffamilymembers. D.TheybothsetaGuinnessworldrecord. 3Whatwasdrivers'initialattitudetothethree-pointseatbelt? A.Theyrefusedtouseit. B.Theyweresatisfiedwithit. C.Theyweresurprisedatit. D.Theygotexcitedaboutit.
Helicopterparentingdescribesastyleofraisingchildrenwhereparentsareoverprotectiveanddotoomuch.Itdescribesparentswhowatchovertheirkidsathomeandontheplaygroundlikeahelicopter.Todaymoderntechnologyallowsthesehelicopterparentstowatchoverfromevenfaraway.1 JulieLythcottwroteabooktitledBreakFreeoftheOverparentingTrapandPrepareYourKidsforSuccess.Inherbook.shegivesreadersacloserlookatthisparentingstyle.2 JulieLythcottsayssheexperiencedtheeffectsofhelicopterparentingfirsthandwhensheworkedasdeanoffirstyearstudents.3Butmanywereunabletotakecareofthemselves.Heywereturningtoparentsconstantlyforguidanceforproblemsolvingtohavethemmakethechoiceaboutsomething. Sowhatcanparentsdoiftheywanttobreaktheover-parentinghelicoptercycle?4 ◆Stopsayingwewhenyoumeanyoursonoryourdaughter.Alltoooftenaparentwouldsayweareonthetravelsoccerteam.Wellnoyoursonisoryourdaughteris. ◆Stoparguingwithalloftheadultsinourkids?lives.Youneedtoteachyourkidstoadvocateforthemselves. ◆Stopdoingyourkids'homework. ◆5Teachthemtocrossthestreetmakeamealandremembertoputtheirownitemsintheirbackpackswhichbecomesabriefcaseoneday. Whenkidshavealltheskillstotakecareofthemselvestheywillbepreparedforadulthood. A.Fourwaysareofferedtostopwatchingoveryourchildren. B.Shealsoexplainswhyparentsshouldstopit. C.It'sagoodideatoencourageyourkidtodothethingshecanbyhimself. D.Theycangivetheirchildrendirectionsatanymomentfromanywhere. E.Buildyourkids'skills. F.Thefreshmenwereverysmartandaccomplishedonpaper. G.Yourkidiseagerformorefreedombutshouldyougiveittohim?
Areyoutryingtofindwaystobemoreefficientatyourjob?Ifsopleasefollowthesehabitsofnaturallyproductivepeople. Theytakebreaks.1Studiesshowthatprolongedtasksthatrequirehighlevelsoffocusenergyandattentioncancauseyoutobecomelessproductiveandfocusedovertime.Takebriefmentalbreaks.Settingasidealittletimehereandtheretoreleaseyourfocuscansignificantlyhelpmaintainitforlongerperiodsoftime. 2Settledownsupermenandwomen.Whileit'sfinetoprideyourselfonyourabilitiestomultitaskit'sinyourbestinterestandyouremployer'sifyousticktooneto-doatatime.Somewherealongthelinesourculturehasembracedandpromotedthisideathatthemorewecandoatoncethebetter.3Infactthemorewemulti-taskthelessefficientandproductivewebecomeinallthetaskswearetryingtoaccomplish. Theyhaveafullnight'ssleep.Inschoolyoumayhavefoundthattoomanystudentsstayuplatetofinishapaperorstudyforanexambutdespiteyourbesteffortsresearchshowsthisisnotthewaytodobusiness.4Actuallystudieshavelinkedinsufficientsleeptodecreasedlevelsofproductivityunsatisfactoryworkperformanceandpoorersafetyoutcomes. 5Youknowthecountlessbenefitsofexercise.Italsoseriouslyimprovesyourmoodbyreleasingsomethingtorelievestressandincreaseyourbrainsproductivity.Even30-minuteburstsofmoderate-to-highphysicalactivityjustthreetofourtimesadaycangoalongwayinhelpingyouaccomplishyourpersonalandprofessionalgoals. A.Theyvaluefitness. B.PressingpauseIsImportant. C.Theyprefertodomoreeveryday. D.Howeverresearchshowstheopposite. E.Theydon'ttrytodoeverythingatonce. F.Enoughsleepmakesgreatcontributiontoefficientwork. G.Poorsleeporlackofsleepcarriessomeprettynegativerewards.
OKsoit'snotarealwar-buttheU.S.andChinaareatthebeginningofatradewarthankstoPresidentTrump'spolicy.TheChinesegovernmentraised34billiondollarsinnewdutiesongoodsexportedfromtheU.S.lastweekinreplytoPresidentTrump'sunwisetariffs关税of34billiondollarsonChinesegoods. Farmandseafood-producingstatesaregoingtobehithardestbyChina'snewtariffsonU.S.goods.StateswherecarsaremadeandshippedtoChinaareonthehookaswell. Intermsofvaluesome38percentofproductsonthetarifflistarerelatedtoagricultureincludingsoybeanssorghumtobaccoandmeat.That'snothinglikegoodnewsforfarm-beltstatesprimarilyintheMidwestlikeIowa. AwiderangeofseafoodisonChina'starifflist.ThatcouldhurtfisheryworkersinAlaskaandlobsterharvestersinMaine.AlaskaforexampleexportednearlyIbilliondollarsworthofseafoodtoChina.ChinaisamajormarketforAlaskaseafoodsaidAlexaTonkovichExecutiveDirectoroftheAlaskaSeafoodMarketingInstitute.Theseafoodindustrydirectlyemploysnearly60000workersinAlaskaeachyearanddirectlyemploysmoreworkersthananyotherprivateindustry. AndautomakingstatesparticularlyintheSoutharealsoatrisk.Some24percentofproductsonthelist-intermsofvalue-arecarstrucksandothervehicles.Michiganaloneexported$1.7billionworthofmotorvehiclesandvehiclepartstoChinain2017.OtherstatesbeingaffectedincludeSouthCarolinawhereBMWmakesSUVsforboththeU.S.andexportersandAlabamahometoMercedes-BenzToyotaHondaandHyundaifactories. Thisroundoftariffssparessomeindustrieslikecommercialaircraft.WashingtonStatewhichishometoBoeingcouldbreatheasighofrelief.Italsoforthemomentskipstariffsonchemicalproducts. AlexaTonkovichhaswarnedtheU.S.governmentthatthetradewarcouldriskemploymentreduce industryprofitsandcausethehigherpricesforconsumersintheU.S.! 1Whatdoestheunderlinedphraseonthehookmean? A.Delightedintheirluck. B.Lostindeepthought. C.Caughtinadifficultsituation. D.Stuckintrafficjams. 2Whichstatewillbehurttheleastonthisroundoftariffs? A.Washington. B.Iowa. C.Maine. D.Michigan. 3WhatisAlexaTonkovich'sattitudetowardsthetradewar? A.Approving. B.Sympathetic. C.Objective. D.Opposed. 4Whichofthefollowingshowsthedevelopmentofideasinthetext? A.I-P1-Spl-Sp2-P2-Sp-C B.I-PI-Sp-P2-Spl-Sp2-C C.I-P1-P2-Spl-Sp2-Sp3-C D.I-PI-Spl-Sp2-Sp3-P2-C IintroductionPPointSpSub-point次要点CConclusion
由常见的有机化工原料芳香烃A制备医药中间体K和高分子E的合成路线如图所示部分反应条件已省略 已知① ②有机物分子中同一个碳原子上连接有两个羟基时不稳定会自动脱水. 请回答下列问题 1G的名称是J含有的官能团的名称是. 2反应⑤的反应类型是反应⑦的作用是. 3写出反应②的化学方程式. 4D的同分异构体中能同时满足下列条件的有种其中核磁共振氢谱为5组峰峰面积之比为12223的结构简式为. ①苯环上有两个取代基 ②能发生银镜反应 ③能与溴的四氯化碳溶液发生加成反应. 5小文同学想用起始原料D制备请帮助他将合成路线补充完整无机试剂及溶剂任选.
假定你是李华你的英国朋友Peter听说现在在中国人工智能已经进入人们的日常生活包括旅游业.他来信询问你十一假期是否有这方面的体验请给他回信内容包括 1.门票无现金手机支付 2.脸部识别人景区 3.邀请他来体验. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯 3.开头和结尾已给出不计入总词数. 参考词汇人工智能artificialintelligence脸部识别facerecognition DearPeter. I'mhappytohearfromyou. Yourstruly LiHua
某物理课外活动小组学习了测量电源的电动势和内阻后自制了一个橙子电池组将该电池组接在铭牌为1.5V0.3A的小灯泡上发现小灯泡不亮用多用电表粗测该电池组电动势约为1.5V流过灯泡的电流约为2mA.为了进一步研究小灯泡不亮的原因该活动小组设计了如图所示的实验电路并用多种方法测量该电池组的电动势与内阻请协助完成实验.1除了开关和导线等基本器材外同学们还准备了以下器材A.电压表0~3VB.电压表0~15VC.电流表0~3.0mAD.电流表0~0.6AE.电阻箱0~99.9ΩF.电阻箱0~9999.9Ω实验中电压表应选用电流表应选用电阻箱应选用.均填选项字母2闭合开关S1和S2调节电阻箱并记录电阻箱的示数R0电流表的示数I0和电压表的示数U0由此可知电流表的电阻RA为用上述量表示.3闭合开关S1和S2调节R仅读出电流I和电压U并测出多组数据作出U﹣I图线可得出电池组的电动势和内阻此种办法测量的电动势与真实值相比填‘偏小相等或偏大测量的内阻值与真实值相比填偏小相等或偏大.4断开S1闭合S2仅由多组电流表的示数和电阻箱的示数R运用实验数据作出﹣R图线为一条倾斜的直线且该直线的斜率为k纵截距为b则该电池组的电动势为内阻为用kbRA表示.5针对34中所述两种方法小组交流讨论后发现所述方法内阻的测量值更精确.填3或4
“嫦娥四号”月球探测器已于2018年12月8日在西昌卫星发射中心由长征三号乙运载火箭发射成功.“嫦娥四号”将经历地月转移近月制动环月飞行最终实现人类首次月球背面软着陆和巡视勘察.已知地球质量为M1半径为R1表面的重力加速度为g月球质量为M2半径为R2.两者均可视为质量分布均匀的球体.则下列说法正确的是
Classifyingthingsiscriticalforourdailylives.Forexamplewehavetodetectspammail垃圾邮件falsepoliticalnews.WhenweuseAIsuchtasksarebasedonclassificationtechnologyinmachineearning-havingthecomputerlearnusingtheboundaryseparatingpositiveandnegativedata.Forexamplepositivedatawouldbephotosincludingahappyfaceandnegativedataphotosthatincludeasadface.Onceaclassificationboundaryislearnedthecomputercandeterminewhetheracertaindataispositiveornegative. Howeverthedifficultywithhistechnologyisthatitrequiresbothpositiveandnegativedataforthelearningprocessandnegativedataarenotavailableinmanycases.Forinstancewhenaretailer零售商istryingtopredictwhowillmakeapurchasetheycaneasilyfinddataoncustomerswhohavepurchasedfromthempositivedatabutitisbasicallyimpossibletoobtaindataoncustomerswhohaveneverpurchasedfromthemnegativedatasincetheydonothaveaccesstotheircompetitors'data. AccordingtolendauthorTakashiIshidafromRIKENAIPPreviousclassificationmethodscouldnotcopewiththesituationwherenegativedatawerenotavailablebutwehavemadeitpossibleforcomputerstolearnwithonlypositivedataaslongaswehaveaconfidencescoreforourpositivedataconstructedfrominformationsuchasbuyingintentionortheactiverateofappusers.Usingournewmethodwecanletcomputerslearnaclassifieronlyfrompositivedataequippedwithconfidence. AccordingtoIshida.Thisdiscoverycouldexpandtherangeofapplicationswhereclassificationtechnologycanbeused.Eveninfieldswheremachinelearninghasbeenactivelyusedourclassificationtechnologycouldbeusedinnewsituationswhereonlypositivedatacanbegatheredduetodataregulationorbusinessconstraints限制.Inthenearfuturewehopetoputourtechnologytouseinvariousresearchfieldssuchasnaturallanguageprocessingcomputervisionroboticsandbioinformatics. 1Howcanthecomputerdistinguishthepositivedatafromthenegativedata? A.Bylearningtheclassificationboundary. B.Byupdatingthedatacollectedregularly. C.Byseparatinghappyfacesandsadones. D.Byintroducingclassificationtechnology. 2WhyistheexamplementionedinParagraph2? A.Toprovehowimportantthepositivedataare B.Toconfirmthatdataoncustomersarecomplete C.Toarguethatretailersgettheircompetitors'data D.Toexplainwhynegativedataarehardtoacquire. 3WhatdotheunderlinedwordsnewmethodinParagraph3referto? A.Analyzingbuyingintention B.Buildingaconfidencescore C.Assessingtheactiverateofappusers D.Equippingthecomputerwithconfidence. 4Whatcanbeasuitabletitleforthetext? A.TheHistoryofClassificationTechnology B.SmarterAlMachineLearningwithoutNegativeData C.BiggerDataComputersAssistingLanguageProcessing D.TheComparisonbetweenPositiveDataandNegativeData
DuringmysecondyearinhighschoolIgotsickandmissedafewdays.WhenI1Iwasgreetedwithtwoessaysduethreedaysofmathandhistoryhomeworkplusseveraltests.2IwenthomefromschoolthatdayexhaustedIhadtostayupreallylatetofinishthemall. ThenextdayatschoolIgotarudeawakeningI'dtotallyforgottentoprepareforthe3onRomeoandJulietwhichI'dtake4mylunchhour!WorsestillIhad5thein-classdiscussionandallthenotes.WhenlunchcameIwenttotheEnglishroomtofacemycertaindoom厄运.AllIcoulddowastryto6onthequestionsIdidn'tknow. AsitturnedoutIdidn'tknowthemajorityofthequestions.Iwasjustabouttogive7whenmypencilaccidentallyfellandbroke.StandingbytheblackboardsharpeningmypencilI8downandthereinfullviewlaytheanswersheetforthetest!Whatgoodfortune!Icankissgood-byetoallmy9offailingthetest!Myheartstartedbeatingandmybrain10Yes!Readovertheanswers-quickly!ThiswasquicklyfollowedbyanothervoiceNo!You'llgetcaught!MymindturningbackandforthYes!No!Yes!No!…Thiswentonfortenofthe11secondsinmyentirelife. FinallyIdecidedtofinishthetestonmyownwithout12!Iwassatisfiedwithmydecisionbutpretty13Ihadfailedthetest. ThenextdaywhenIwalkedintotheEnglishroommygreatjoyofhavingbeenan14soulchangedintoawaveofdoomasIsawmytestpaperlyingfacedownonmydesk.Iknewwhatawaitedme.IstaredatitafewsecondsbeforeIgotupthe15toturnitover. Youcanonlyimaginemy16whenIlearnedthatIhadpassedthetest!Ihaveneverinmywholelifebeensohappytoseemy17aC-. Mymomsaysthevictoriesthat18themostcouragearewonwithin.NowIknow19whatshemeans.Nownotonlycanmyconscience良心resteasybutIdon'thavetoworryaboutgettingcaughtandmeetingasad20likeRomeoandJuliet. 1A.arrived B.returned C.appeared D.finished 2A.If B.Because C.Until D.Although 3A.lecture B.essay C.play D.test 4A.by B.upon C.over D.toward 5A.missed B.carried C.lost D.dropped 6A.depend B.agree C.guess D.improve 7A.in B.off C.out D.away 8A.wrote B.settled C.calmed D.looked 9A.boredom B.worries C.loneliness D.tiredness 10A.whispered B.warned C.persuaded D.chanted 11A.coldest B.saddest C.longest D.fastest 12A.suffering B.checking C.cheating D.thinking 13A.certain B.regretful C.annoyed D.relieved 14A.open B.honest C.optimistic D.energetic 15A.wisdom B.encouragement C.intention D.nerve 16A.anxiety B.shock C.fear D.appreciation 17A.paper B.credit C.rate D.grade 18A.take B.put C.find D.gain 19A.gradually B.exactly C.willingly D.seemingly 20A.film B.fact C.ending D.love
如图所示足够长的光滑水平台面M距地面高h=0.80m平台右端紧接长度L=5.4m的水平传送带NPAB两滑块的质量分别为mA=4kgmB=2kg滑块之间压着一条轻弹簧不与两滑块栓接并用一根细线锁定两者一起在平台上以速度v=1m/s向右匀速运动突然滑块间的细线瞬间断裂两滑块与弹簧脱离之后A继续向右运动并在静止的传送带上滑行了1.8m已知物块与传送带间的动摩擦因数μ=0.25g=10m/s2求1细线断裂瞬间弹簧释放的弹性势能EP2若在滑块A冲到传送带时传送带立即以速度v1=1m/s逆时针匀速运动求滑块A与传送带系统因摩擦产生的热量Q3若在滑块A冲到传送带时传送带立即以速度v2顺时针匀速运动试讨论滑块A运动至P点时做平抛运动的水平位移x与v2的关系传送带两端的轮子半径足够小
AsimpleprojecttohelpafamilyinneedstoppedLukeMickelsoninhistracks.In2012heandhisfamilywereinspiredtobuildanddonateabunkbedonebedontopoftheotherafterlearningtherewerelocalchildrenwhosleptonthefloor.ShockedtodiscoverhowwidespreadthisneedwasinhiscommunityMickelsonfoundedSleepinHeavenlyPeaceanonprofitthatbuildsanddeliversbedstochildreninneed. BomandraisedinIdahoMickelsonnow41hadathrivingcareer.Hecoachedhiskids'sportsteamsandfishedinthenearbyriver.Butwhenhemetchildrenwhoweresleepingonthefloorhispeacefullifechangedcourse. Usingsafetyguidelinesandhisdaughter'sbunkbedasamodelMickelsonstartedbuyingwoodandsuppliestobuildbedswithhisownmoney.Herecruitedfriendsandfamilymemberstohelparoundtheholidays.Aswordspreadinterestandinvolvementfromhisandothercommunitiesflooded-alongwithMickelson'sbunkbedoutput.Thatfirstprojectwebuilt11bunkbedsinmygaragehesaid.Thenextyearwedid15.Thenitdoubledeveryyear.In2017webuilt612bunkbeds. WiththemottoNokidsleepsonthefloorinourtownthenonprofitanditsmorethan65brancheshavebuiltanddeliveredmorethan1500freebedstochildrenacrossAmerica.ButalongwiththerapidgrowthMickelsonwasfacedwithatoughchoiceadvancinghiscareerorhisnonprofit.Hechosethelatterandwentfrommakinggreatmoneytozeromoney.He'sneverlookedback.IfoundthattheneedIhaveisn'tfinancialhesaid.TheneedIhaveisseeingthejoyonkid'sfacesknowingthatIcanmakeadifference. 1WhydidMickelsonsetupSleepinHeavenlyPeace? A.Tohelpthepoorchildren B.Tomakeabigfortune C.Toinspirehiscommunity D.Togetmoredonations 2WhatdoweknowaboutLukeMickelson? A.Hehadhisownfishfarm. B.Hechangedhiscareerfromtimetotime C.Heusedtosleeponthefloorwhenhewasakid. D.Heoriginallyhadarelaxingandpleasantlife 3HowdidotherpeoplereacttoMickelson'sproject? A.Theyshowedlittleinterestinit B.Theyweresupportiveandinvolvedinit. C.Theyweredoubtfulaboutthesafetyofthebunkbed. D.Theyvolunteeredtobuybedswiththeirownmoney 4WhatisMickelson'sattitudetothenonprofit? A.Ambiguous. B.Defensive. C.Cautious. D.Positive
LastfallIhappenedtooverhearastudenttellingtheothershehaddecidednottosignupforanintroductoryphilosophycourse.Thedemandsofhismajorhesaidseriouslymeantheneededtotakepracticalcoursesandenlightenmentwouldsimplyhavetowait.Fornowemployabilitywasthemostimportant. Thestudents'conversationfitsintoalargeralarmingnarrativeabouttheroleofthehumanitiesinhighereducation.InatimeofdizzyingtechnologicalachievementandofrapidscientificinnovationscepticsofthehumanitiesmayquestiontheusefulnessofstudyingAristotletheItalianRenaissanceorChinesefiction. ActuallyIregretnotinterruptingthatstudenttoarguefortakingthatintroductoryphilosophycourse.IwouldhavestartedbyremindinghimthatformuchofAmerica'shistorycollegegraduateswerenotconsideredtrulyeducatedunlesstheyhadmasteredphilosophyliteraturepoliticaltheoryandhistory.Thekeyroleofhighereducationwastoinvitestudentsintotheconversationsaboutmatterslikewhatitmeanstobealiveandthedefinitionofjustice.Fosteringengagementwiththesesubjectsisstillanessentialpartoftheuniversity'sfunctioninsociety. Iwouldhavealsomentionedtothestudentthathewasmisinformedaboutthejobmarket.Itistruethatmanyemployersarelookingforgraduateswithspecializedtechnicalskillsbuttheyalsolookforothercapabilities.Astheworldistransformedbyartificialintelligencemachinelearningandautomationtheuniquehumanqualitiesofcreativityimaginationandmoralreasoningwillbetheultimatecoinoftherealm.Alltheseskillsaredevelopedinhumanitiescourses. FurtherIwouldhavearguedthatwhileadegreeanchoredinthesciencesisanimportantpreconditionformanyjobsitisnottheonlyroute.LooknofurtherthanthefoundersofcompaniessuchasLinkedInSlackandFlickrwhoareamongthemanytechbusinesspersonswithdegreesinthehumanitiesandwhocreditthattrainingfortheirsuccess. Contrarytothewidelyheldbeliefthathumanitiesmajorshaveahardtimegettingjobsrecentstudiesshowthatthosewithhumanitiesdegreesaresuccessfulintheworkplaceexperiencinglowratesofunemploymentandreportinghighlevelsofjobsatisfaction.Theratiobetweenaveragemedian中位数incomesforhumanitiesdegreeholdersandthosewithbusinessengineeringandhealthandmedicalsciencesdegreeshasbeenshowntonarrowoverthecourseofacareer. Thecaseforthehumanitiescanalsobeunderstoodinlesstransactionaltermsandmoreasafoundationalpreparationforalifewelllived.Ahumanitieseducationplaysavitalroleinencouragingcitizenstoleadanexaminedlife.Itfosterscriticalthinkingself-reflectionempathyandtolerancetheusefulnessofwhichonlybecomesmoreapparentasonenavigateslife'schallenges. ByallmeansstudentsshouldtakecoursestheythinkpracticalandfollowtheirinterestsbutiftheyalsomakeapointofstudyingtheliteratureoftheRenaissanceorresearchingintomodernpoetryoreventakingintroductoryphilosophywewillallbenefit. 1Whatdothestudents'conversationshow? A.Studentsfeelemploymentdifficult. B.Studentsthinkphilosophylessimportant. C.Studentsfindscientificinnovationamazing. D.Studentsconsideruniversitycoursesunsatisfying. 2WhatdoestheunderlinedpartinParagraph4probablymean? A.Highlyvalued. B.Equallyapplied. C.Strictlyassessed. D.Greatlyimproved. 3Theauthormayagreethathumanities. A.discoverstudents'artisticability B.preparestudentsforgraduation C.raiseawarenessofsocialstatus D.providegreatinsightsintolife 4Whichofthefollowingshowsthedevelopmentofideasinthepassage? A. B. C. D. IIntroductionPPointSpSub-point次要点CConclusion
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