高中英语（人教大纲）第二册下：unit20 archaeology(第五课时)

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1、TheFifthPeriodTheUseof“It”TeachingAims:Reviseandsumuptheuseof“it”.TeachingImportantPoint:Mastertheuseof“it”,especiallytheemphaticuseandtheuseasapreparatorysubjectorapreparatoryobject.TeachingDifficultPoint:Howtomastertheuseof“it”correctly.TeachingMethods:1.Havingalittlequiztorevisethecom

2、monuseof“it”.2.Inductivemethodtogothroughsomeimportantsentencepatternswith“it”.3.Practicetoconsolidatetheuseof“it”.TeachingAids:1.aprojectorandsomeslides2.theblackboardTeachingProcedures:CStepⅠGreetingsGreetthewholeclassasusual.CStepⅡTestT:Inthelasttwoperiods,werevisedtheuseof“it”.Nowlet

3、’shaveatest.(Teachershowsthefollowingonthescreen.)Tellwhattheword“it”referstoanditsfunctions:1.It’sdifficulttorememberalltheirnames.2.It’sveryquietinthecafe.3.Itrainedforthreedays.4.Hemadeitclearthathedidn’twanttospeaktome.5.Itwasniceseeingyou.6.ItwasonTuesdaythatMrsSmithcame.7.It’sthree

4、milestothenearestgarage.8.Atallmanstoodupandshookhands.ItwasCaptainLawie.9.Ihearyouboughtanewbike.Canyoushowittome?10.Itwasfiveo’clockwhenwegotbackhomeyesterday.T:NowI’llgiveyouthreeminutestowritedownyouranswersonapieceofpaper.Thenlet’schecktheanswerstogether.(Sscanexchangetheirpapersfor

5、commentandcorrection.)Suggestedanswers:1.apreparatorysubjectforaninfinitive2.refertothepresentsituation3.refertoweather4.apreparatoryobject5.apreparatorysubjectforan“-ing”form6.emphasizetheadverbialoftime7.refertodistance8.refertoapersonwhenweareidentifyingsomebody(sayingwhosomebodyis)9.

6、refertotheword“bike”mentionedearlier10.refertotimeCStepⅢRevisionandInductionT:Welldone.Youarealreadyfamiliarwiththecommonuseof“it”.Next,let’srevisesomeimportantsentencepatterns.Now,let’sdoanexercise.Lookatthescreen.Completethesentences,payingattentiontothestructuresofthemandtheuseof“it”.

7、1.______(据报道)thatdozensofchildrendiedintheaccident.2.______(真遗憾)thathecan’tswimathisage.3.______(很可能)thattheywillbeatustonight.4.______（看来）thatheenjoyspopsongsverymuch.5.______（仍然是一个问题）whenweshallhaveoursportsmeet.6.______(还不确定)whetherhecanattendthisconferenceornot.7.____