2023學年完整公開課版Unit4Topic1SectionC教案1

SectionCThemainactivitiesare1aand2a.本課重點活動是1a和2a。Ⅰ.Teachingaimsanddemands教學目標1.(1)Learnsomewordsaboutrainforests:cover,surface,meter,dark,forest,control,wood,rubber,protect (2)Learnsomeotherwordsandexpressions: fact,infact,makeup,large,lake,sea,ocean,drop,indanger (3)Learnsomeusefulexpressions:thousandsandthousandsof beveryimportanttobenecessaryfor…can’tlivewithout…saveeverydropofwatercomparativeandsuperlativedegreesofadjectives:(1)Theplantsintheforestshelptomaketheairfresher.(2)Butnowrainforestsarebecomingsmallerandsmaller.(3)Watermakesupthelargestpartofthehumanbody.natureresourceandrealizetheimportanceofenvironmentprotection:(1)Theyalsohelptocontroltheweather.(2)Therainforestsgiveuswood,rubber,fruit,medicineandsoon.(3)Itisimportanttoalllivingthings.Ⅱ.Teachingaids教具錄音機/多媒體/小黑板Ⅲ.Five-fingerTeachingPlan五指教學方案Step1Review第一步復習(時間:12分鐘)1.(學生表演對話，復習描述動物和植物的語言。)T:Hello,S1!Doyoulikeplantsoranimals?S1:Ilikeanimalsbetter.T:Whydoyouthinkso?S1:Becauseanimalsareourfriends.Theygiveusjoy.(讓兩個學生一組根據(jù)示范來練習對話。)(然后，挑幾組學生表演。)T:Verygood.Nowlet’spractiseanotherdialog.(對S2)T:Whichkindofanimalsdoyoulikebest,birds,catsordogs?S2:Ilikebirdsbest.T:Whydoyouthinkso?S2:Becausetheyarethemostbeautifuloftheanimalsandtheycansingtous.(教師示范后，讓學生進行對話練習，然后，讓幾組學生表演。)2.(看熱帶雨林的圖片，學習生詞。畫線的單詞為生詞。)(教師通過多媒體出示熱帶雨林的圖片，教師和學生一起觀看圖片，同時教師講解圖片上的信息。)T: It’sapictureofforests,rainforests.Theycover6%oftheearth’ssurface.Thousandsandthousandsofanimalsliveinit.It’salwaysdark,hotandwetintherainforests.Theycanhelptocontroltheweather.Theygiveuswood,rubber,fruit,medicineandsoon.Theyareveryimportanttous,buttheyarebecomingsmallerthanbefore,sowemustprotectthemwell.(第二遍教師邊說邊板書。)forestrainforestcoversurfacethousandsandthousandsofdarkcontrolwoodrubberprotect(學生熟讀單詞后，再看圖片并回答教師提出的問題。)T: Whatarethey?Ss: Theyarerainforests.T: Howlargearetherainforests?Ss: Theycover6%oftheearth’ssurface.T: What’sintherainforests?Ss: Thousandsandthousandsofanimalslivethere.T: Whatcanwegetfromtherainforests?S: Wecangetwood,fruit,medicineandrubber.T: Aretheyimportanttous?S: Yes,theyare.T:Whatshouldwedoaboutthem?S:Weshouldprotectthemwell.T:Doyouwanttoknowmoreaboutrainforests?Ss:Yes.T: Let’sturntopage81.Step2Presentation第二步呈現(xiàn)(時間:8分鐘)1.(閱讀課文，理解課文內(nèi)容并回答問題。)T:Moststudentswanttoknowmoreabouttherainforests.Pleasereadthepassageandanswerthefollowingquestions.(出示小黑板。)Whatcovers6%oftheearth’ssurface?Wheredothousandsandthousandsofanimalslive?Aretherealsothousandsofdifferentplantsandlotsoftreesintherainforests?Aretherainforestsveryimportanttous?Canrainforestshelptocontroltheweather?Whatcanrainforestsgiveus?Whymustweprotecttherainforests?(核對答案。)2.(再讀1a,完成1b。)T:Nowpleasereadthepassageagainandfinish1b.(核對答案。)3.(完成1c。)T:Readthepassageagainandwritedowntheimportanceofrainforests.(核對答案。)T:Ss,canyougiveusyouranswer?Ss:maketheairfreshercontroltheweathergiveuswood,rubber,fruit,medicineandsoonStep3Consolidation第三步鞏固(時間:10分鐘)1.(教師放1a錄音,學生跟讀兩遍，核對語音語調，并畫出關鍵詞句。)(板書)paragraph1:cover6%—animals—livein—thousandsof—dark—wetparagraph2:important—lungs—helptomake—control—wood,rubber…—smaller—protect(根據(jù)黑板上的關鍵詞，用接龍的形式復述短文。)Forexample:T:Nowpleaseretellthepassageonebyoneaccordingtothekeywords.S1:Rainforestscover6%oftheearth’ssurface.S2:Thousandsandthousandsofanimalsliveinrainforests.S3:…2.(將短文內(nèi)容編成對話來鞏固。)T:OK.Nowpleasemakeupadialogaccordingtothepassage.ThenIwillasksomegroupstoactitout.Forexample:S1:Hi!S2.Doyouknowtherainforestwell?S2:Yes,what’sthematter?S1:Iwanttoknowmoreinformationaboutit,Couldyouhelpme?S2:Noproblem.Iknowrainforestscover6%oftheearth’ssurface.S1:Really?Dothousandsandthousandsofanimalsliveinthem?S2:Yes,manyofthemliveinthetreesover30metersfromtheground.S1:Couldyoutellmetheimportanceoftherainforests?S2:Yes,theyarethelungsoftheearth.Theplantsintheforestshelptomaketheairfresher.Theyalsohelptocontroltheweather.S1:Whatcantheygiveus?S2:Theycangiveuswood,rubber,fruitandmedicine.S1:Aretherainforestsbecomingbiggerandbigger?S2:No,theyarebecomingmuchsmallerthanbefore.S1:Whatshouldwedonow?S2:Ithinkweshouldprotectthemwell.S1:Iagree.Step4Practice第四步練習(時間:10分鐘)1.(師生對話，引出生詞。)T:Rainforestsareveryimportanttous.Whatdoyouthinkofthewater?Ss:It’sveryimportanttous,too.T:Whatdohumansneedwatertodo?Ss:Weneedwatertodrink,tocookandtoclean.T: Yes.Infact,watermakesupthelargestpartofthehumanbody.(板書)infactmakeupT: Watermakesupthelargestpartofthehumanbody.Whereelseisthewaterin?Ss: It’sinrivers.T: Right.It’sinrivers,seas,lakesandoceans.(板書)sealakeoceanT: Allplantsandanimalsneedwater,thatistosay,waterisimportanttoalllivingthings,sowemustsaveeverydropofwater.(板書)livingthingsdrop2.(學生讀2a，獨立完成2b。)(核對答案。)3.(學生聽讀2a短文，核對語音和語調并畫出關鍵詞。)(板書)plants(need,benecessaryfor)animals(plentyof,live,without)humans(drink,cook,clean,makeup)water(cover,lakes,rivers,seas,oceans,livingthings,save,drop)4.(讓學生根據(jù)關鍵詞復述短文。)(2分鐘后挑幾名學生到前邊復述。)5.(聽3錄音，獨立完成3。)(第一遍只聽不寫，從整體上了解短文內(nèi)容。)(第二遍邊聽邊寫出空缺處的內(nèi)容。)(第三遍聽錄音核對答案。)Step5Project第五步綜合探究活動(時間:5分鐘)1.(討論有關水的問題。)T:Justnow,wetalkedabouttheimportanceofwater,next,pleasediscussthefollowing