【精品】高中英语（人教大纲）第二册下：Unit16 The United States of America(第四课时)VIP免费

TheFourthPeriodTeachingAims:1.Learnandmasterthefollowing:(1)Words:plainkilogramclothingchiefafterwardswidespreadrotsupplychainwillingcategory(2)Phrases:inhugenumbersfrom…(time)on/onwardsmakeagreementswithdieoutinturnhaveaneffecton2.ReviewNon-finiteVerbsandwordsusedtodiscribeaplace.3.Trainthestudents’integratingskills,especiallywritingskill.TeachingImportantPoints:1.Masterthefollowingusefulphrases:inhugenumbersfrom…(time)on/onwardsmakeagreementswithdieoutinturnhaveaneffecton2.Learntowriteacomparisonessay.TeachingDifficultPoints:1.Howtohelpthestudentsunderstandthepassagebetter.2.Howtohelpthestudentsfinishthetaskofwriting.Teachingmethods:1.Revisiontoconsolidatewhatwe’velearntintheunit.2.Fastandcarefulreadingtohelpthestudentsunderstandthepassagebetter.3.Discussiontohelpthestudentsprepareforwriting.TeachingAids:1.themultimedia2.theblackboardTeachingProcedures:StepⅠGreetingsGreetthewholeclassasusual.StepⅡRevisionT:YesterdaywereviewedNon-finiteVerbs,especiallytheirpassiveforms.Doyourememberthat?Ss:Yes.T:Verygood.Lilin,canyoutellushowtochange“todo”and“doing”intotheirpassiveforms?S1:Thepassivefromof“todo”is“tobedone”,whilethepassiveformof“doing”is“beingdone”.T:Canyoumakesentenceswith“tobedone”and“beingdone”?S1:Idon’twanttobemisunderstoodbyothers.Idon’tmindLiPingbeingrecommendedasourmonitorinsteadofme.T:Welldone!Somuchforrevision.StepⅢReadingT:Inthesecondperiod,wetalkedaboutthehistoryoftheUSA.WeknowthatnativeAmericanswerethefirstsettlersontheplainsofAmerica.Todaywe’regoingtoreadapassagetolearnabouttheplainsofAmerica.Beforereading,let’slearnthenewwordsfirst.(Teacherdealswiththenewwordswiththewholeclassandmakessomeexplanationsifnecessary.Afterthat,teachersaysthefollowing:)T:Now,pleaselookatthepictureonthescreen.(Showthepictureonthescreen.)T:Doyouknowwhattheanimaliscalled?Ss:No.T:Itsnameisbison.ItisatypeofcattlewhichusedtoexistinhugenumbersontheplainsofAmerica.Wouldyouliketoknowmoreaboutthebison?Ss:Yes.T:OK.PleaseopenyourbooksatPage46.Readthepassagequicklyandfindtheanswerstothequestionsonthescreen.(Teachershowsthequestionsonthescreen.)1.InwhatwaysdidthesettlerstreattheNativeAmericansunfairly?2.Whatcausedabigchangeinthewildlifeontheplains?(Afewminuteslater,teachercheckstheanswers.)T:Well,stopplease!Haveyoufoundtheanswers?Ss:Yes.T:LiTao,answerthefirstquestion,please.S2:Thesettlerskilledthem,forcedthemtoleavetheirhuntinggrounds,brokeagreementstheyhadmade,forcedthemontopoorland,andkilledmostofthebisononwhichNativeAmericanshadreliedforfood.T:Right.Thersecondone?LiuWei,please.S3:Thekillingoflargenumbersofbisonchangedthewholewildlifechainontheplains.T:Good.Now,readthepassagecarefullyagainanddotheexerciseonthescreen.(Teachershowsthefollowingonthescreen.)Tickthesentencesthataretrueandcorrectthefalseones.1.()Thefirstsettlersontheplainswerefarmers.2.()NativeAmericanswillinglygaveuplandtothesettlers.3.()ThesettlersdidnotdealhonestlywiththenativeAmericans.4.()SettlersendedupwithbetterlandthanthenativeAmericans.5.()LatersettlersmadeuseofthebisoninthesamewayasthenativeAmericans.Afterreading,firstdoitbyyourself,andthencheckyouranswerswithyourpartner.Atlast,I’llchecktheanswers.Suggestedanswers:1.FThefirstsettlersontheplainswerenativeAmericanswholivedbygatheringroots,nutsandwildfruitsandhuntingwildanimals.2.FTheywereforcedtomoveaway.3.T4.T5.FNativeAmericansmadeuseoft...