广东省河源市南开实验学校八年级英语上册 Unit 4 Topic 1 Whats the strongest animal on the farm Section B课件 （新版）仁爱版.ppt

unit4ourworld topic1 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 视频1a p85 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 录音1a p85 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 ofthe 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 morethanplayanimportantpart in