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1、2019-2020年高中英语第二册上Unit2Newsmedia-TheFirstPeriodI.BriefStatementsBasedontheUnitTheactivitiesofthisunit,includingWarming-up,Listening,Speaking,ReadingandWriting,centeronthesubject－newsandthemedia,whichareconnectedwithourlifeclosely.Itprovidesthestudentsanopportunitytolearnthelanguageinusingit.
2、Bytalkingaboutnewsandthemedia,thestudentsgetmoreknowledgeaboutthem－notonlyknowabouttheimportantpartstheyplayinlearningabouttheworld,butalsothewaystheyarewrittenandmade.Thestudentsmustbeveryinterestedinthissubject.Thisway,theycanlearnthelanguagepointseasilyandfreely.Theywillnotonlylearnsomeus
3、efulwordsandphrasesaboutnewsandthemedia,butalsolearntoexpressopinions.Besides,thestudyoftheGrammar－thePastParticiplecanhelpthestudentsusethelanguagemoreexactly.Byfinishingeachtaskprovidedinthetextbookandtheworkbook,thestudents'skillstouselanguagecanbewelldeveloped.Ⅱ.TeachingGoals1.Talkaboutn
4、ewsandthemedia.2.Practiseexpressingopinions.3.LearnaboutthePastParticiple(1):usedasAttributeandPredicative.4.Writeaparisonparagraph.Ⅲ.TeachingTime:FourperiodsIV.BackgroundInformation1.RADIOInancienttimestheonlywaythatmencouldsendmessagesfromvillagetovillagewasonfoot.Whenmenlearnedtousethehor
5、se,municationbecamemuchquicker.However,paredtothemodernworldmunicationwasstillquiteslow.Manypartsoftheworldhadnoknowledgeofeventsinotherplaces.Later,thepostwasintroducedandhorseriderscarriedletters.Thismeantthatmunicationwasfurtherimproved.Horsesdrawncoachescouldmovepeoplefromtowntotowninqui
6、teafortableway.Atthebeginningofthelastcenturythesteamtrainwasinventedandforthefirsttimereallyfastmunicationbecamepossible.Notonlycouldlettersbesenteasilyfromonepartofacountrytoanother,buttravelwasmadeeasy,too.Ataboutthesametime,steamshipshelpedmunicationbetweencountries.Theinventionofthetele
7、graphinthemiddleofthelastcenturyfurtherincreasedthespeedatwhichmessagescouldbesent.Inthissystemelectricalsignals,incode,aresentalongmetalwires.Thesesignalstravelsofastthattheycouldgonearlyeighttimesroundtheworldinonesecond.Aspecialdeviceisneededtos
