Unit4Topic1SectionCrainforestsⅠ.Teachingaimsanddemands1.Learnsomenewwordsandphrases:cover,earth,surface,thousandsof,dark,forest,control,wood,rubber,protect,main,fact,in2.Learnsomeusefulsentences:(1)Waterisnecessaryforallplants.(2)Theycan’tliveatallwithoutwater.3.Goonlearningcomparativeandsuperlativedegreesofadjectives:(1)Theplantsintheforestshelptomaketheairfresher.(2)But,now,rainforestsarebecomingsmallerandsmaller.(3)Watermakesupthelargestpartofthehumanbody.4.Describenatureresourcesandrealizetheimportanceofenvironmentprotection:(1)Theyalsohelptocontroltheclimate.(2)Rainforestsgiveuswood,rubber,fruit,medicineandsoon.(3)Itisimportanttoalllivingthings.Wemustsaveeverydropofwater.Ⅱ.Theimportantpoint:Letstudentsknowtheenvironmentisimportantforus.Thedifficultpoint:Howtoprotectourenvironment.Ⅲ.TeachingaidsPPT，掛圖，錄音機(jī)，Ⅳ.TeachingprocessStep1 Guide詢(xún)問(wèn)學(xué)生最喜歡的植物或動(dòng)物。T:whatisyourfavoriteplant?whatisyourfavoriteanimal?根據(jù)學(xué)生回答的植物與動(dòng)物展開(kāi)討論，引起學(xué)生的興趣。2.小結(jié)熱帶雨林里有多種多樣的動(dòng)物與植物，從而導(dǎo)入新課rainforestsStep2Presentation聽(tīng)錄音并閱讀短文內(nèi)容，培養(yǎng)學(xué)生的聽(tīng)力和閱讀能力。1.(聽(tīng)1a錄音，了解課文內(nèi)容并回答問(wèn)題。)T:Moststudentswanttoknowmoreabouttherainforests.Pleaselistentothetapeandanswerthefollowingquestions:(出示小黑板。)(1)Whatcover6%oftheearth’ssurface?(2)Aretherethousandsofdifferentplantsandlotsoftreesinrainforests?(3)Canrainforestshelptocontroltheclimate?通過(guò)rainforests熱帶雨林，滲透《中華人民共和國(guó)環(huán)境保護(hù)法》學(xué)習(xí)新單詞“wood”樹(shù)木。讓學(xué)生知道樹(shù)木對(duì)環(huán)境的重要性，作為學(xué)生要制作亂砍亂伐的行為，滲透《森林法及其實(shí)施條例》、《退耕還林條例》。3.通過(guò)題目與課文結(jié)合讓學(xué)生了解熱帶雨林的特征（水資源豐富、多種多樣的動(dòng)植物、調(diào)節(jié)全球氣候等等）蘊(yùn)含水資源，保護(hù)淡水資源。滲透《中華人民共和國(guó)水資源保護(hù)法》保護(hù)土壤，防止水土流失。滲透《中華人民共和國(guó)防沙治沙法》提供良好生存環(huán)境，維護(hù)生物多樣性。《中華人民共和國(guó)動(dòng)物保護(hù)法》Step3Consolidation通過(guò)對(duì)短文的理解，完成1b、1c，并根據(jù)關(guān)鍵詞對(duì)其進(jìn)行復(fù)述。培養(yǎng)學(xué)生綜合運(yùn)用語(yǔ)言的能力。1.(閱讀1a，完成1b。)(教師讓學(xué)生猜測(cè)句子中main的意思，板書(shū)并要求學(xué)生掌握。)T:Nowpleaseread1aandfinish1b.(核對(duì)答案。)2.(再讀1a，完成1c。)T:Read1aagainandwritedowntheimportanceofrainforests.(核對(duì)答案。)T:Students,canyougiveusyouranswer?S1:Maketheairfresher.S2:Controltheclimate.S3:Giveuswood,rubber,fruit,medicineandsoon.3.(根據(jù)黑板上的關(guān)鍵詞，用接龍的形式復(fù)述短文。)Example:T:Nowpleaseretellthepassageonebyoneaccordingtothekeywords.S4:Rainforestscover6%oftheearth’ssurface.S5:Thousandsandthousandsofanimalsliveinrainforests.S6:…4.T:Read1aagainandwritedowntheimportanceofrainforests.T:Students,canyougiveusy