2017年高二英语人教版选修8教案：Unit3InventorsandinventionsPeriod2 Word版含解析

Unit3InventorsandinventionsPeriod2LanguageStudy整体设计教学内容分析Theemphasisofthisperiodwillbeplacedontheimportantnewwords，phrasesandsentencepatternsinWarmingUp，Pre­reading，Reading，ComprehendingandDiscoveringusefulwordsandexpressionsinLearningaboutLanguage.Therearealtogether43newwordsandphrasesinthesefiveparts.7ofthemaremarkedwithtriangles，whichshowsthatthestudentsneedn'tlearnthembyheart.Itisenoughtorecognizethemwhenmeetingthemwhilereadingthepassage.Theother36shouldallberemembered，amongwhichthefollowing7wordsandexpressionsareevenmoreimportant：callup，nowandthen，seize，file，distinguish，setabout，convenient.Theyareallveryusefulandimportant.Soarethesentencepatterns“Herewasachanceformetodistinguishmyselfbyinventingsomethingmercifulthatwouldcatchsnakesbutnotharmthem.”“Butmonitoredcarefully，thesnakesprovedtobenotroubleandallwentaccordingtoplan.”“Onlyafteryouhavethatrecognitioncanyousaythatyouaretrulyaninventor.”Weoughttopaymoreattentiontothem.三维目标设计Knowledgeandskills1．Togetthestudentstolearntousethefollowingimportantnewwordsandphrasesfreely：callup，nowandthen，seize，file，distinguish，setabout，convenient.2．Togetthestudentstounderstandandusethefollowingimportantandusefulsentencepatterns：（1）Here_was_a_chanceformetodistinguishmyselfbyinventingsomethingmercifulthat_would_catch_snakes_but_not_harm_them.（2）But_monitored_carefully，thesnakesprovedtobenotroubleandallwentaccordingtoplan.（3）Only_afteryouhavehadthatrecognitioncan_you_saythatyouaretrulyaninventor.Processandmethods1．Referringtothetextbooks，referencebooksordictionarieswhenmeetingwithanyproblems；2．Sharingyourideaswithyourclassmatesbravely；3．Talkingaboutthedifficultpointswithyourgroup­matesheatedly；4．Askingtheteacherforhelpifpossible；5．Tryinghardtolearnthelanguagepointsbyheart；6．Practicingthelanguagepointsactively.Emotion，attitudeandvalue1．Tostimulatestudents'interestinlearningEnglish.2．Todevelopstudents'senseofcooperationandteamwork.教学重点、难点1．Importantnewwordsandexpressions：callup，nowandthen，seize，file，distinguish，setabout，convenient2．Importantandusefulsentencepatterns：（1）Only...canyousay...（2）the­edformusedastheattribute，predicativeandobjectcomplementinasentence3．Somedifficultandlongsentencesinthetext.教学过程Step1Revision1．Checkthehomeworkexercises.2．Asksomestudentstosaysomethingabouttheinventions.Step2ReadingandfindingGetstudentstoreadthroughWarmingUp，Pre­reading，Reading，ComprehendingandDiscoveringusefulwordsandexpressionsinLearningaboutLanguagetounderlineallthenewwordsandusefulexpressionsorcollocationsintheseparts.Readthemaloudandcopythemdownintheexercisebook.Step3Exercisesforusefulwordsandexpressions1．TurntoPage23.GothroughtheexercisesinDiscoveringusefulwordsandexpressionswithstudentsandmakesuretheyknowwhattodo.2．Givethemseveralminutestofinishtheexercises.Theyfirstdothemindividually，andthendiscussandcheckthemwiththeirpartners.3．Checktheanswerswiththewholeclassandexplaintheproblemstheymeetwherenecessary.Step4VocabularystudyⅠ．简单知识扫描1．callup（P20）【原句再现】WhenIcalled_upmymotherinthecountrysideonthetelephoneshewasveryupset.当我给住在乡下的母亲打电话的时候，她感到很心烦。【观察探究】（1）Icalledhimupandtoldhimtheexcitingnews.我打电话告诉他这个令人激动的消息。（2）Allthemenbetweentheagesof18and25werecalledup.所有18至25岁的男性都被应召入伍。（3）Thehappylaughtercalledupmemoriesofmychildhood.幸福的笑声让我想起了童年。【归纳总结】callup给……打电话；召集（召人入伍）；让人想起【知识链接】（1）打电话的其他表达方式有：ringsb.up；callsb.（up）；telephonesb.；phonesb.；givesb.aphonecall；givesb.aring（2）有关call的其他短语：callback召唤某人回来；再访；回电话callfor需要，要求callin召见，叫进来callon拜访（人）；呼吁，号召callat拜访（某地）calloff取消【即景活用】（1）单项选择①—CanIdothejob?—I'mafraidnot，becauseit______skillandpatience.A．callsonB．callsoutC．callsupD．callsfor②WhenI______Tom，hewasdoingsomeshopping.A．callonB．calledupC．calledoffD．calledover（2）用call组成的短语的适当形式填空①AsIgrewupinasmalltownatthefootofamountain，thevisittothevillage____________scenesofmychildhood.②TodayIhavenotimeto______her，butIthinkIcan______herofficetomorrow.Suggestedanswers：（1）①D②B（2）①calledup②callon；callat2．nowandthen（P20）【原句再现】Snakescomenearthehousenow_and_then...蛇时不时地爬到屋子边上来……【观察探究】（1）Hetakesmysisterouttothetheatrenowandthen.他时常带我妹妹去剧院。（2）Wouldyoumissmenowandthen？你会不会偶尔想起我？【归纳总结】nowandthen偶尔、有时【知识链接】同义的单词或短语：occasionally；onceinawhile；sometimes；attimes；fromtimetotime；everynowandthen【即景活用】翻译句子等待医生时，他不时抬起头看钟表。________________________________________________________________________Suggestedanswer：Whenwaitingforthedoctor，helookedupattheclocknowandthen.3．seize（P21）【原句再现】...Idecidedtoseizetheopportunitytogetrecognitionformysuccessfulideabysendingmyinventiontothepatentoffice.……我决定抓住机会把我这次的发明送到专利局去，请他们对我的成功思路予以认可。【观察探究】（1）Didyouseethecatseizethemouse?你看过猫捉老鼠吗？（2）Seizetodaybecauseyouneverknowwhattomorrowwillbelike.珍惜今天，因为你永远不知道明天将会怎样。（3）Theenemyarmyseizedthecity.敌人占领了这座城市。【归纳总结】seizevt.捉住，抓住；夺取，占领【即景活用】强盗试图抢夺那个警察手中的枪。Therobber____________thegunfromthepoliceman.Suggestedanswer：triedtoseize4．file（P21）【原句再现】SoIhavefilledintheformandfiledmypatentapplicationwiththePatentOffice.于是，我填了表，向专利局提交了申请书。【观察探究】（1）Shefiledasuitagainstthecollegeforsexdiscrimination.她对那所大学提出性别歧视的诉讼。（2）Theformsshouldbefiledalphabetically.这些表格应该按字母顺序归档。（3）Everyfileonthesamediskmusthaveadifferentname.同一磁盘上的每一个文件都必须有不同的文件名。【归纳总结】filevt.提交；将……归档n．文件；档案【即景活用】（1）我把信件存放到抽屉里了。Ihave__________________inadrawer.（2）请把它归入我的研究类档案。Please______itinmy“Research______”．Suggestedanswers：（1）filedtheletters（2）file；fileⅡ．重点知识探究（B级）1．distinguish（P20）【原句再现】Herewasachanceformetodistinguishmyselfbyinventingsomethingmerciful...这回我有机会来表现一下自己了。我要发明某种仁慈的东西……【观察探究】（1）Speechesdistinguishhumanbeingsfromanimals.人类和动物的区别在于人会说话。（2）Shedistinguishedherselfbyhercoolnessandbravery.她因头脑冷静、敢作敢为而与众不同。（3）Dogscandistinguishagreaterrangeofsoundsthanhumans.狗能够辨别的音域比人类大。【归纳总结】distinguishv．区别；使……有所不同；辨别【知识链接】distinguishfrom/between区别；区分distinguishAfromB＝tellAfromB区分A和Bdistinguishoneselfby因……而突出distinguishedadj.著名的，出名的，令人钦佩的distinguishingadj.有区别的distinguishableadj.可区别的，区分得开的distinguishoneself表现出众【即景活用】（1）这个人因其智慧而与众不同。________________________________________________________________________（2）把工作和娱乐区分开来很重要。________________________________________________________________________（3）Peoplewhocannot______betweencolorsaresaidtobecolor­blind.A．identifyB．exploreC．distinguishD．tellSuggestedanswers：（1）Themandistinguishedhimselfbyhiswisdom.（2）It'simportanttodistinguishworkfromentertainment.（3）C2．setabout（P20）【原句再现】Iset_aboutresearchingthehabitsofsnakestofindtheeasiestwaytotrapthem.我着手研究蛇的习性，以便能找到最容易的方法捉住它们。【观察探究】Doyouknowhowtosetaboutgoing（＝setouttogo）onthiswork?你知道怎样着手进行这项工作吗？【归纳总结】setabout开始；着手setaboutdoingsth.＝setouttodosth.开始/着手干某事【知识链接】有关set的其他短语：setoff出发、动身setoutfor＝setofffor＝leavefor动身去……setaside留出（时间、金钱）；储蓄；对……不予考虑setdown记下、写下setup创立、建立【即景活用】用以上短语填空。（1）Hewasquiteeagerto______hishometownbecauseheleftthere30yearsago.（2）You'dbetter______sometimeeverydaytopracticeyourspokenEnglish.（3）Thesecretoffamouswriters'successisto______everythingthatcomestothem.（4）Theschoolshould______findingsolutionstopollutionofplasticbagsaroundit.（5）Manyshelterswouldbe______forvictimswhosehousesweredamagedinthebigearthquake.Suggestedanswers：（1）setoutfor/setofffor/leavefor（2）setaside（3）setdown（4）setabout（5）setup3．convenient（P20）【原句再现】Theyabruptlydisappearedintoaconvenientholeinthewall.它们一下子消失在墙壁附近的洞里去了。【观察探究】（1）Whenisitconvenientfor/toyou？你什么时候方便呢？（2）Thisdishwasherisveryconvenienttome.对我来说，这个洗碗机很方便。（3）It'sveryconvenienttohaveasupermarketnearby.附近有家超市，确实很便利。（4）Willitbeconvenientforyoutostartworktomorrow?你方不方便明天开始工作？（5）Weshallmovetoamoreconvenientofficeat7,5thAve.，NewYorkonFebruary,1st.我们定于2月1日迁到更近的纽约市第五街7号新址。【归纳总结】convenientadj.方便的，便利的；就近的beconvenientfor/tosb.对某人方便itisconvenient（forsb.）todosth.对某人来说做某事方便注意：convenient的主语往往是something，而不是somebody。【知识链接】conveniencen．便利，方便forconvenience为了便利atone'sconvenience在某人方便时fortheconvenienceofsb.为了……的便利【即景活用】（1）三点钟对你方便吗？________________________________________________________________________（2）你可以在方便的时候做。________________________________________________________________________（3）Comeandseemewhenever______.A．youareconvenientB．youwillbeconvenientC．itisconvenienttoyouD．itwillbeconvenienttoyou（4）Ifitisquite______toyouIwillvisityounextTuesday.A．convenientB．fairC．easyD．comfortableSuggestedanswers：（1）Willthreeo'clockbeconvenientforyou？（2）Youcandoitatyourconvenience.（3）C（4）AⅢ．重点句型分析（B级）Only_after_you_have_had_that_recognition_can_yousaythatyouaretrulyaninventor.（P21）只有得到他们的认可后你才可以说是一个真正的发明者。该句为“only＋状语＋倒装”句式。only后接状语或状语从句，且放在句首时，后面的句子要使用部分倒装。但only