Unit 6 Earth first Understanding ideas 教案-高一英语新外研版必修第二册

Unit6EarthfirstUnderstandingideas【教学目标】1.掌握本课的重要词汇与句式；2.引导学生理解采访话题的内在逻辑，学习并掌握与话题相关的语言；3.引导学生基于课文内容联系生活实际，发表自己的意见和观点。【教学重难点】1.本课重要词汇与句式的灵活运用；2.锻炼学生理解采访话题的内在逻辑，学习并掌握与话题相关的语言。【教学过程】Step1WarmingupQuestions:1.Whatdoyouthinktheenvironmentalproblemsare?2.Whatarethecausesoftheseproblems?3.Whatdoyouthinkisthemostseriousenvironmentalproblemwefacetoday?Whatshouldbedonetohelpsolveit?AsksomeSstosharetheirviewsaboutthequestionsandthenteacherpresentsmoreinformationaboutpollution.Step2BeforereadingActivity1Tickthewordsthatyouwouldusetodescribesharks.Addanymoreyoucanthinkof.Thencompareyourchoiceswiththeclass.Andthensharewhatyouknowaboutsharks.Step3WhilereadingActivity21.HavetheSsreadthepassageandfindouthowsharksaredescribedinthefilmJaws.(1)AsktheSstogothroughthepassageandthendiscussthesharkwiththeirpartners.(2)HaveseveralSssharetheirviewsinwholeclass.2.Payattentiontothelanguagepointsduringreading.（1）Jawswasagreatsuccess,attractinghugeaudiencesandwinningmanyawards.教师要结合语境帮助学生理解本句中attracting和winning的用法（作伴随状语），区别于本单元所学的语法（现在分词和过去分词作补语）。（2）FinningwouldhaveanunexpectedeffectuponPeterBenchley,themanwhowrotethebookthefilmJawswasbasedon.Paraphrase:PeterBenchleydidnotexpectthatfinningwouldhaveagreateffectonhim.Hewastheauthorofabook,whichthefilmJawswasbasedon.教师应引导学生掌握固定搭配haveaneffecton/uponsth的用法。例如：Ariseintemperaturewillhaveaneffectonsealevels,droughtfrequencyandmore.（气温升高会影响到海平面高度、旱情发生频率及更多方面。）（3）In1980,Benchleywasdivingwhenhecameacrossanawfulsight.教师应引导学生注意句中when表示“当（某事发生）时”，相当于atthat/thistime.例如：Wewereabouttogooutandplaywhenitstartedtorain.（我们正要出去玩，突然下起雨来。）Thecouplehadhardlyfallenasleepwhenthedoorbellrangloudly.(这对夫妻刚刚入睡，突然门铃声大作。）另外，教师可以拓展讲解comeacross的用法，这个短语在文中意为tomeet,find,ordiscoversomeoneorsomethingbychance。例如：Icameacrossthisbookinabookshopinmyhometown.（我在家乡的一家书店里发现了这本书。）comeacross还有其他的含义，如“（感觉、想法等）被表达清楚”“给人的印象是……”。例如：Yourwordsdidn'tcomeacross.（你讲的话让人听不明白。）Shecameacrosstomeasapleasantyounggirl.（她在我印象里是个讨人喜欢的年轻女孩。）（4）Hecametoseepeopleasadangertosharks,ratherthantheotherwayround.Paraphrase:Hefinallystartedtorealizethatpeopleareadangertosharks,ratherthantheopposite.教师向学生讲解cometodosth,相当于tofinallyreachastateinwhichsomethinghappensoryoudosomething。例如：Shehadcometolikethenewteacheroverthemonths.（过了几个月，她终于喜欢上了新老师。）3.Activity3HavetheSsgothroughthethreepurposesasbelowandthenaskthemtochoosethebestone,thenchecktheanswerinclass.4.Activity4(1)HavetheSsreadthepassageagainandaskthemtocompletethechartwithwordsandexpressionsfromthepassage,thenchecktheanswersinwholeclass.(2)ThenencourageSstotrytoretellthepassageaccordingtothechart.Step4ThinkandShare1.HowdoyouthinkPeterBenchleyfeltafterdivingin1980?2.Whatotherfilmsorbooksdoyouknowthatfeaturewildanimals?Dothey“paint”agoodorbadpictureoftheseanimals?Sayhowtheanimalsaredescribed.HavetheSsdiscussthequestionsingroups,andthengetseveralSstoanswerthequestions.Openanswertothesecondquestion.Step5HomeworkReviewthemainideaofthepassageandthelanguagepoints.It'seasyto____________________withsocialmediatools.Onlinepeoplecaneasilymakenewfriendswiththosewho________________