仁爱版八年级英语上册Unit 4 Our world Topic 1 Section C 课件.ppt

八年级上册 Unit4OurworldTopic1Whichdoyoulikebetter plantsoranimals SectionC earthn 地球 土 泥 大地 rainforestn 热带 雨林 forestn 森林 Lookandlearn Lookandguess Lookatthepicturesandcheckwhichquestionsthepassagecananswer Whatarerainforests Howmanyanimalsarelivinginrainforests Wheredoanimalsliveinrainforests Whatcanwegetfromrainforests Whyarerainforestsimportanttous Watchtheflashof1a andfindouttheanswers Whatcanrainforestsgiveus 1a woodn 木头 木材 woods树木 森林 Rainforestsgiveus rubbern 橡胶 Rainforestsgiveus food medicine Rainforestsgiveus fruits Rainforestsgiveus Listento1aandcompletethetable Thencheckwithyourpartner hot wet dark hot 6 surface plants animals fresher cleaner hold cycling climate nature wood food medicine 1b 1c Readagainandanswerthequestions Whatdoestheword cover meaninParagraph1 Whyarerainforeststhelungsoftheearth Itmeans 覆盖 Becausetheplantsintheforestshelptomaketheairfresherandcleaner 1c Readagainandanswerthequestions 3 Whyshouldweprotectrainforestswell 4 Canyouguesswhatthenextpartofthepassagewilltalkabout Becausetheyhelptoholdthewaterandkeepthewatercycling Theyplayanimportantpartincontrollingtheclimate Yes Thenextpartmaytalkaboutwhatweshoulddotoprotectrainforests Thelastsentenceinaparagraphmaytellyouwhatcomesnext 1c Readagainandanswerthequestions 5 Whatshouldwedotoprotectrainforests Weshouldsavepaperandmustn tusethechopsticksforonlyonce Rainforestscover6 oftheearth ssurface sixpercent Keypoints 数词 可数名词复数 可数名词单数 不可数名词 Eg 50 ofthestudentsinourclassareboys 70 oftheearthiswater 成千上万的 成百上千的成百万上千万的 数以百万计的 hundredsof millionsof Thousandsandthousandsofanimalsliveinrainforests 3 Manyofthemliveinthetreesover30metersfromtheground over morethan多于 超过eg Ourclasshas 50students 4 Theyplayanimportantpartincontrollingtheclimate playanimportantpart insth 在某事中起重要作用 参与 某事 Eg 他积极参加班级活动 He classactivities over morethan playsanactivepartin 5 Butnowrainforestsarebecomingsmallerandsmaller 形容词比较级 and 形容词比较级 越来越 Eg 天气变得越来越暖和了 Theweathergetswarmerandwarmer 中国变得越来越强大 Chinabecomesstrongerandstronger 越来越小 Groupwork Discussthepicturesingroupsabouthowtoprotectrainforests Thenwriteashortpassage showandtellpeopleabout doanythingwecan suchas askpeoplenotto askpeoplenottocut Let splant Youcanwritelikethis Example Rainforestsareveryimportanttous Itisnecessaryforustoprotectthemverywell First weshouldmakepeopleknowabouttheimportanceofprotectingthem Thenaskpeoplenottocutdownthetreeswithoutplans Forus weshoulddosomethingaspossibleaswecan Whenwehavemeals wemustn tusechopsticksforonlyonce Inthelife uselesspaperandbesurenottowasteit 1 Learntodescribethesituationofrainforestsandtheimportancetotheearth 2 Talkabouthowtoprotectrainforests 3 usefulphrases thousandsofcontroltheclimateover morethanplayanimporta