高中英语 Unit3 The world of clours and light教案2 牛津译林版选修8.doc

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1、Unit3Theworldofcloursandlight教学目标1.Torevisetheimportantanddifficultlanguagepoints2.Todevelopandpracticetheabilitiesofanalyzingandsolvingproblems,3.Tograspthemethodsofsolvingproblemsandimprovetheskillsofreadingandwriting.教学重点Analyzeandsolveproblems,graspthemethodofsolvingproblems教学难点Improv

2、etheskillsofreadingandwriting.学情分析Mostofthemcanfinishtheexercisesontime,buttheycouldn’tfinishthemcorrectly,somoreexercisesareneeded.教学媒体PPT,Bb教学过程复备栏Step1ChecktheanswersontheBb(keypointsandphrases)Step2Languagepoints1.demanddemand可用作名词和动词。demandsth.　要求得到某物demandtodosth.　要求去做某事demandthatsb

3、.(should)dosth.　要求某人做某事meet/satisfyone'sdemands　满足某人的需求ademandforsth.　对……的需求supplyanddemand　供求①Hedemanded________(tell)everything.②Theydemandedshe________(go)theretogether.③Thisisademandingjobwhich________(demand)patience.2.opportunity，chance这两个名词都有“机会”的意思。①opportunity一般指有利的机会，chance指的机会可

4、能有利，也可能不利，两者后接不定式或of＋doing。如：Hehasachance/opportunitytoseethePremier.＝Hehasachance/opportunityofseeingthePremier.　②chance有“可能性”的意思，opportunity则没有。有可能做　Thereisachance/possibilityofsb.doing＝Thereisachance/possibility＋that从句＝(The)Chancesarethat...③takethisopportunity意为“趁此机会”；takeachance＝take

5、chances意为“冒险；投机”。④chance可用作动词，opportunity则不能。如：Ichancedtoseeouroldheadmasterinthestreetsomedaysago.3.decline，refuse，reject，denydecline意为“婉谢”(客气礼貌)；还可意为“下降；衰落”；refuse意为“拒绝”(中性词)；reject意为“断然拒绝”(强烈坚决)；deny意为“否认；拒绝给予”。从用法上看：decline和refuse后接不定式todo，reject后一般不接不定式。deny意为“否认”时，后接动名词；表“拒绝给予某人”的搭配

6、为denysb.sth.或denysth.tosb.。onthedecline＝indecline＝decline　在衰退declinesth.＝turnsth.down　婉拒onthedecline＝onthedecrease　在减少中adecline/decreaseinpopulation　人口的减少①He________toanswermyquestion.②Hewasbusyand________theinvitationtohisfriend'sparty.③Someparents________nothingtotheirchildren.Step3.Exe

7、rcisestoconsolidateStep4.Homework：1.Toconsolidatewhattheyhavelearntinclass2.Tofinishtherestexercisesonpaper教后反思