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Unit21Lesson3参考教案2periodsTeachingObjectives1.Tolearnthewordsandphrasesofthetext2.Topracticethereadingstrategies3.Tocompletetheexercisesaboutthetext4.Tolearnvocabulary:SynonymsTeachingImportant&DifficultPoints:TopracticethereadingstrategiesTeachingAids:students’books,picturesTeachingProcedures:Step1Newwords&expressions1.IntroducetheskillsofmemorytoSsasareference.2.Measuresforteaching&learning①Asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation②Playthetapeandhavethemreadafterthetape③Givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadthewords,encouragethemtoasktheteacher.Step2Reading1.AskSstoreadthekeywordsinEx.1andguesstheirmeanings.2.LetSsdiscussinpairswhichofthosediseasescanbeorareepidemicsAnswers:AIDS,flu3.DoEx.2bythemselvesinpairs.Thenchecktheiranswersonpage1034.LetthestudentsreadReadingStrategies.5.Studentsthenreadquicklythroughthetexttogetageneralideaofit.6.ForEx.3.Sscompletethetextwiththemissingparagraphs.Answers:3.A5.E8.C10.D12.B7.GivestudentsafewminutestodoEx.4.Step3LanguagePoints1.prohibitvt.禁止经典例句Smokingisstrictlyprohibitedintheprocessofhandlingexplosivematerials.在处理易爆物时,严格禁止吸烟。考点聚焦1）派生词：prohibitionn.禁止,阻止；prohibitern.禁止者,阻止者2）同义词：forbidvt.禁止,不许3）prohibitvt.禁止。如：Smokingisprohibitedintheofficebuilding.办公楼内禁止抽烟。4）prohibitvt.妨碍,阻止,后接fromdoing。如：Thehighcostofthemachineprohibitsitfrombeingwidespread.这机器价格昂贵,很难普及使用。活学活用13.用prohibit的正确形式填空。1）Smokingis______________inmosttheaters.2）Modesty______________mefromsayingwhathappened.答案:1)prohibited2)prohibits2.foreseevt.预见巧记提示fore（预先）+see（看见）经典例句Itishardtoforeseewhatmystudentswillgetinthefinal-termEnglishexam.很难预知我的学生将会在期末英语考试中取得什么样的成绩。Thegovernmentforesawthattherewouldbearapidreduceinunemployment.政府预知失业人数将大大下降。考点聚焦1）派生词：foreseeableadj.可预知的foreseeinglyadv.深谋远虑地2）同义词：foretellv.预言，预测predictv.预知，预报。3）foreseevt.预见,预料，常接动名词或表示“物”的名词作宾语。如：Thosewhocanforeseedifficultiesontheirwaytosuccessmaykeepcalm.在走向成功的路途中能够预见到困难的人常常能保持冷静的态度。4）foreseeableadj.可预知的,能预测的。如：Thestatuewillremaininthemuseumfortheforeseeablefuture.短期内这座雕像将留在博物馆。活学活用14.单句改错。Heforeseethatpriceswoulddroplastyear.去他预见到物价会下跌。答案:foresee→foresaw3.onrecord记录在案，备案Heranthefastestraceonrecord.他跑出了记录在案的最好水平。ThisyearisthedoughtiestonrecordinYunnan.今年是云南有史以来最为干旱的一年。4.sweepthrough:spreadover传遍Thediseasecansweepthroughwholepopulationsinaveryshorttime.这种病可以在很短的时间里在全体人口中流行开来。Rumorssweptthroughthetown.城里谣言四起。Acoldwindsweptthroughthenorth.寒风席卷北方。5.belostto:于…中消失，忘却了…（本文中应理解为：dieof）Forsometimeshewaslosttotheworld她曾经与世隔绝。6.attempttodosth.:makeanefforttotrytodosth企图、试图做某事TheyattemptedtofinishthetaskbeforeJuly.他们试图在七月以前完成这项任务。7.beharmfulto/doharmtosb.orsth.对……有害eg.ThesnowstormandthelowtemperaturedidtremendousharmtotheChinesetransportation.这次暴风雪和低温极大地伤害到中国的交通。8.put…behind将…放在一边，不理会eg.Sometimesit’squitenecessaryforustoputthetriflesbehindusandenjoyourselves.9.Withalltheinternationaleffortbeingmade,wehavetohavefaiththattherewillbe…①with+n.+v-ing/v-ed作原因状语。beingv-ed表示该被动动作正在进行。若是v-ed则表示该被动动作已发生过。eg.Withsomanypeoplebeinginterviewed,theinterviewersarereallyasbusyasabee.由于这么多人在接受面试，主考官们实在忙得不可开交。Withtheproblemsettled,hisfatherarefeelingparticularlydelighted.由于问题已解决，他父亲显得格外高兴。②havefaithin/that-clause对…有信心,相信…Thecrewhadfaithinthecaptain'sjudgment.全体船员都相信船长的判断。BecauseChristwasraisedfromthedead,wecanhavefaiththatwe,too,willberesurrected.基督是从死亡中站了起来，所以我们相信我们也能死后复活。③inone’stracks及时地，当场Yourquestionstoppedhiminhistracks.你提的问题让他当场下不来台。Policemenstoppedthethiefrightinhistracks.警察当场制止住了那小偷。Willbreakersstopaginginitstracks?“破坏者”真能立竿见影地阻止机体的老化吗？Step4Vocabulary:Synonyms1.Ex.6a)Askthestudentstodotheexerciseindividually.b)ChecktheiranswersAnswers:1.j)2.g)3.c)4.j)5.h)6.b)7.d)8.e)9.f)10.a)2.FinishEx.7.a)Asksomestudentstodotheexerciseassamples.b)ChecktheiranswerswiththewholeclassAnswers:①prescription②mourn③faith④symptom⑤systematic⑥tissueStep5HomeworkFinishoffalltheexercisesforLesson3inLanguagePower.