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怎样促进迁移的教学?

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学校德育工作中经常采用的表扬与批评,奖励与处分的德育方法属于()。

案例分析题:

张老师在生物课上讲解植物吸水的知识时,首先要求同学动手做个实验:讲两块萝卜分别浸泡在两个装有浓盐水和清水的烧杯里,浸泡后取出并观察萝卜的变化。结果发现泡过浓盐水的萝卜变蔫了,而泡过青水的萝卜变水灵了。张老师用右方示意图显示实验结果:泡过浓盐水的萝卜失去水分,泡过清水的萝卜吸收水分。

张老师接着进—步提问:谁能概括出萝卜什么状态下失水?什么状态下吸水?

根据同学们的回答,张老师总结说明植物吸水的原理:当植物细胞液浓度小于外界溶液浓度时,细胞就失水;反之,细胞则吸水。接着,张老师布置小组讨论:为什么盐碱地—般种不好庄稼?

如果你种的植物出现“烧根”现象,你需要追肥还是浇水,为什么?

最后张老师请各小组汇报讨论结果。

问题:

(1)张老师采用哪些教学方法?请结合材料加以分析。

(2)张老师贯彻了哪些教学原则?请结合材料加以分析。

最早提出“什么知识最有价值”这一经典课程论命题的学者是()。

大学毕业的陈某曾因故意犯罪被判处有期徒刑 1 年,刑满释放后,他前往某初级中学应聘学校( )。

简述维果斯基的心理发展理论。

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SellingDigitalMusicwithoutCopy-protectionMakesSense A. Itwasuncharacteristicallylow-keyfortheindustry’sgreatestshowman.ButtheessaypublishedthisweekbySteveJobs,thebossofApple,onhisfirm’swebsiteundertheunassumingtitle“ThoughtsonMusic”hasnonethelessprovokedavigorousdebateaboutthefutureofdigitalmusic,whichAppledominateswithitsiPodmusic-playerandiTunesmusic-store.Atissueis“digitalrightsmanagement”(DRM)—thetechnologyguardingdownloadedmusicagainsttheft.SincethereisnocommonstandardforDRM,italsohastheside-effectthatsongspurchasedforonetypeofmusic-playermaynotworkonanother.Apple’sDRMsystem,calledFairPlay,isthemostwidespread.SoitcameasasurprisewhenMr.JobscalledforDRMfordigitalmusictobeabolished. B. ThisisachangeoftackforApple.IthascomeunderfirefromEuropeanregulatorswhoclaimthatitsrefusaltolicenseFairPlaytootherfirmshas“lockedin”customers.SincemusicfromtheiTunesstorecannotbeplayedonnon-iPodmusic-players(atleastnotwithoutalotoffiddling),anyiTunesbuyerwillbedeterredfromswitchingtoadevicemadebyarivalfirm,suchasSonyorMicrosoft.WhenFrenchlawmakersdraftedabilllastyearcompellingAppletoopenupFairPlaytorivals,thecompanywarnedof“state-sponsoredpiracy”.OnlyDRM,itimplied,couldkeepthepiratesatbay. C. ThisweekMr.JobsgaveanotherexplanationforhisformerdefenceofDRM:therecordcompaniesmadehimdoit.TheywouldmaketheirmusicavailabletotheiTunesstoreonlyifAppleagreedtoprotectitusingDRM.TheycanstillwithdrawtheircataloguesiftheDRMsystemiscompromised.ApplecannotlicenseFairPlaytoothers,saysMrJobs,becauseitwoulddependonthemtoproducesecurityfixespromptly.AllDRMdoesisrestrictconsumerchoiceandprovideabarriertoentry,saysMrJobs;withoutittherewouldbefarmorestoresandplayers,andfarmoreinnovation.So,hesuggests,whynotdoawaywithDRMandsellmusicunprotected?“Thisisclearlythebestalternativeforconsumers,”hedeclares,“andApplewouldembraceitinaheartbeat.” D. Whythesuddenchangeofheart?MrJobsseemschieflyconcernedwithgettingEurope’sregulatorsoffhisback.RatherthancomplainingtoAppleaboutitsuseofDRM,hesuggests,“thoseunhappywiththecurrentsituationshouldredirecttheirenergiestowardspersuadingthemusiccompaniestoselltheirmusicDRM-free.”Twoandahalfofthefourbigrecordcompanies,hehelpfullypointsout,areEuropean-owned.MrJobsalsohopestopainthimselfasaconsumerchampion.AppleresentsaccusationsthatithasbecometheMicrosoftofdigitalmusic. E. Applecanaffordtoembraceopencompetitioninmusicplayersandonlinestores.Consumerswouldgravitatetothebestplayerandthebeststore,andatthemomentthatstillmeansApple’s.MrJobsisevidentlyunfazedbyrivalstotheiPod.Sinceonly3%ofthemusicinatypicaliTuneslibraryisprotected,mostofitcanalreadybeusedonotherplayerstoday,henotes.(AndeventheprotectedtrackscanbeburnedontoaCDandthenre-ripped.)SoApple’sdominanceevidentlydependsfarmoreonbrandingandeaseofusethanDRM-related“lockin”. F. ThemusicgiantsaretryingDRM-freedownloads.Lotsofsmallerlabelsalreadysellmusicthatway.Havingseenwhichwaythewindisblowing,MrJobsnowwantstobeseennotasDRM’sdefender,butasaconsumerchampionwhohelpedinitsdownfall.Wouldn’titleadtoasurgeinpiracy?No,becausemostmusicisstillsoldunprotectedonCDs,peoplewishingtostealmusicalreadycandoso.Indeed,scrappingDRMwouldprobablyincreaseonline-musicsalesbyreducingconfusionandincompatibility.Withtheleadingonlinestore,Applewouldbenefitmost.MrJobs’sargument,inshort,istransparentlyself-serving.Italsohappenstoberight. NotestoReadingPassage1 1.low-key: 抑制的,受约束的,屈服的 2.showman: 开展览会的人,出风头的人物 3.unassuming: 谦逊的,不夸耀的,不装腔作势的 4.iPod: (苹果公司出产的)音乐播放器 5.iTunesstore: (苹果公司出产的)在线音乐商店 6.getoffperson’sback: 不再找某人的麻烦,摆脱某人的纠缠 7.gravitate: 受吸引,倾向于 8.unfazed: 不再担忧,不被打扰 Questions1-7 DothefollowingstatemetsreflecttheclaimsofthewriterinReadingPassage1? WriteyouranswerinBoxes1-7onyouranswersheet. TRUEifthestatementrefletstheclaimsofthewriter FALSEifthestatementcontradictstheclaimsofthewriter NOTGIVENifitisimpossbiletosaywhatthewriterthinksaboutthis 1.AppleenjoysacontrollingpositionindigitalmusicmarketwithitsiPodmusic-playerandiTunesmusic-store. 2.DRMisagovernmentdecreeissuedwithapurposetoprotectdownloadedmusicfromtheftbyconsumers. 3.LackofstandardizationinDRMmakessongsboughtforonekindofmusicplayermaynotfunctiononanother. 4.ApplehasbeencriticizedbyEuropeanregulatorssinceithasrefusedtograntalicenseFairPlaytootherfirms. 5.Allmusiccanbeeasilyplayedonnon-iPodmusicdevicesfromSonyorMicrosoftwithouttoomuchfiddling. 6.AppledependsfarmoreonDRMratherthanbrandingforitsdominanceofthedigitalmusicdevices. 7.IfDRMwascancelled,Sonywouldcertainlydominatetheinternationaldigitalmusicmarket. Questions8-10 ChoosetheappropriatelettersA-Dandwritetheminboxes8-10onyouranswesheet. 8.WhichofthefollowingstatementsaboutMr.Jobs’ideaofDRMisNOTTRUE? A.DRMplacesrestrictionsonconsumer’choiceofdigitalmusicproductsavailable. B.DRMcomplesiTunesbuyerstoswitchtoadevicemadebySonyorMicrosoft. C.DRMconstitutesabarrierforpotentialconsumerstoenterdigitalmusicmarkets. D.DRMhindersdevelopmentofmorestoresandplayersandtechnicalinnovation. 9.Theword“unfazed”inline3ofparagraphE,means___________. A.refused B.welcomed C.notbothered D.notwellreceived 10.WhichofthefollowingstatementsisTRUEifDRMwasscapped? A.Sonywouldgainthemostprofit. B.Morecustomerswouldbe“lockedin”. C.Asuddenincreaseinpiracywouldoccur. D.Online-musicsaleswouldprobablydecrease. Questions11-14 Completethenotesbelow. ChooseNOMORETHANTHREEWORDSfromReadingPassage1foreachanswer. Writeyouranswersinboxes11-14onyouranswersheet. Mr.SteveJobs,thebossofApple,explainsthereasonwhyheusedtodefendDRM,sayingthatthecompanywasforcedtodoso:therecordcompanieswouldmaketheirmusicaccessibleto…11...onlyiftheyagreedtoprotectitusingDRM;theycanstill…12…iftheDRMsystemiscompromised.HealsoprovidesthereasonwhyAppledidnotlicenseFairPlaytoothers:thecompanyreliesonthemto…13….ButnowhechangeshismindwithapossibleexpectationthatEurope’sregulatorswouldnottroublehimanymoreinthefuture.Heproposesthatthosewhoareunsatisfactorywiththecurrentsituationindigitalmusicmarketshould…14…towardspersuadethemusiccompaniestoselltheirmusicDRM-free.
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