Unit4Topic1SectionC课件八年级英语上册

学习目标一、掌握以下单词和短语：rainforest,thick,forest,ground,wed,cover,earth,surface,thousandsof,nowhere,control,climate,die,wood,protect,thousandsofplayanimportantpart(insth.)

smallerandsmaller等。二、了解热带雨林的现状并呼吁同学们保护雨林。rainforestRainforestsareinthehotpartsoftheworld.Theyonly

cover6%oftheearth'ssurface./'kʌvə/v.覆盖

ˈ/sɜːrfɪs/n.表面,地面rainforestWhat’sintherainforest?thelungsoftheearthWecanseethickforests./θik/

adj.茂密的Wecanseewetground.What’sintherainforest?/wet/adj.潮湿的Thousandsofanimalsliveintherainforests.What’sintherainforest?Theyprovideuswith...wood/wud/木材

foodandfruitmedicineWhat’sintherainforest?50%的大气水来自雨林雨林是个巨大的储水库Rainforestsplayanimportantpartincontrollingtheclimate./kənˈtroʊl/vt.控制/ˈklaɪmət/n.气候holdthewaterkeepthewatercycling单词英汉互译浓密的groundwet表面提供药材climate控制覆盖woodTodaywewilllearnthispassage.Skimming—What’sthemainideaofeachparagraph.A.TheimportanceoftherainforestsB.WhatarerainforestsC.HowtoprotecttherainforestsD.Thefeature(特征)ofrainforestsReadPar.1andfillintheblanks.thefeature(特征)ofrainforestsSquare(面积):Itcovers____%oftheearth’ssurface.Animals:

Thereare_______________________animals.Manyliveinthetreesover_____metersfromtheground.Plants:Therearelotsof________and___________otherdifferentplants.Climate:

It’salways_____andalways_____.6thousandsofhotwet30talltreesthousandsandthousandsof1bFeatureofrainforestsinthe______partsoftheworld_____groundandalways____and____inthemcover____oftheearth’s_______giveahometomanybeautiful______and_______hotwetdarkhot6%surfaceplantsanimals1.Whyarerainforestsimportanttous?Becauserainforestshelpto...Importanceofrainforestsmaketheair_______and_____________thewaterandkeepthewater_______controlthe________keepthebeautyof________giveus______,_____,fruit,_________andsoonfreshercleanerholdcyclingclimatenaturewoodfoodmedicine1cReadagainanswerthequestions1.Whatdoestheword“cover”meaninParagraph1?

Itmeans“覆盖”.2.Whyarerainforeststhelungsoftheearth?

Becausetheplantsintheforestshelptomaketheairfresherandcleaner.3.Whyshouldweprotectrainforestswell?

Becausetheyhelptoholdthewaterandkeepthewatercycling.Theyplayanimportantpartincontrollingtheclimate.4.Canyouguesswhatthenextpartofthepassagewilltalkabout?

Itwilltalkabouthowtoprotectrainforests.Readandunderstand.Phrases1.覆盖6%地球的表面____________________2.

为...提供..._____________________3.数以千计的动植物_______________________4.各种各样的________________________5.对...很重要_________________6.使空气更清新和更清洁_________________7.保持水循环利用___________________8.在...发挥重要作用_______________________9.灭绝_____________10.出于许多原因______________________11.变得越来越小______________________cover6%oftheearth’ssurfaceprovide...forthousandsofanimalsandplantsdifferentkindsofbeimportanttomaketheairfresherandcleanerkeepthewatercyclingplayanimportantpartindieoutformanyreasonsRainforestsRainforestsare________forestsinthe_________oftheworld.It___________andthegroundisalways______.It’salways______________inrainforests.Rainforests_______6%oftheearth’ssurface.They_________placestolivefor______________plantsandanimalsfound______________onEarth.Therearelotsoftalltreesandother__________________plants.Thousandsand______________animalsliveinrainforests.Manyofthemliveinthetrees______30metersfromtheground.RetellthickhotpartsrainsalotwetdarkandhotcoverprovidethousandsofnowhereelsedifferentkindsofthousandsofoverRetellimportanttolungsofmaketheairfresherandcleanerholdthewaterkeepthewatercyclingcontrollingtheclimateWithoutdieoutformanyreasonssmallerandsmallerKeypoints1.Rainforestscover6%oftheearth’ssurface.coverAwithB用B盖住Abecoveredwithsth被…覆盖他用报纸盖住了自己的脸。He________hisface_____anewspaper.道路被雪覆盖了。Theroad_______________snow.coveredwithiscoveredwithKeypoints1.Rainforestscover6%oftheearth’ssurface.6%:sixpercent数词%+可数名词复数可数名词单数/不可数名词谓用复谓用单

Eg:50%ofthe

studentsinourclass____(be)

boys.70%oftheearth____(be)water.areisKeypoints2.TheyprovideplacestoliveforthousandsofplantsandanimalsfoundnowhereelseonEarth.providesthforsb=providesbwithsth给某人提供某物村民们为他们提供食物。Thevillagers_______________________.Thevillagers

_______________________.providedthemwithfoodprovidedfoodforthemKeypoints2.TheyprovideplacestoliveforthousandsofplantsandanimalsfoundnowhereelseonEarth.thousandsof=thousandsandthousandsof成千上万的hundredsof

数以百计的thousandsof成千上万的millionsof数以百万计的billionsof几十亿的

具体几百几千，不加s200:twohundred3000:threethousandKeypoints3.Theyalsohelptoholdthewaterwhenitrainsandkeepthewatercycling.keep…doing使…一直做表示不间断地做某事我的老师要我整个下午都做作业Myteacher______________myhomeworkalltheafternoon.他总是保持微笑。

Healways_______________.我们应该保持锻炼。

Weshould________________.keptmedoingkeepssmilingkeepexercisingKeypoints4.Theyplayanimportantpartincontrollingtheclimate.

playanimportantpart/rolein在...中起着重要的作用计算机在我们的生活中起着重要的作用。Computers_________________________inourlives.他积极参加班级活动。He_____________________classactivities.playanimportantpart/roleplaysanactivepartinKeypointscolderandcolderhotterandhottermoreandmorebeautifulgetswarmerandwarmerstrongerandstrongerWhatshouldwedotoprotectthem?2Discussthepicturesingroupsabouthowtoprotectrainforests.Whatshouldwedotoprotectrainforests?showandtellpeopleabout…theimportanceofprotectingrainforests.2Discussthepicturesingroupsabouthowtoprotectrainforests.Whatshouldwedotoprotectrainforests?Weshoulddoanythingwecan,suchas…stopusingchopsticksforonlyonce（一次性筷子）uselesspaperusebothsidesofpaper2Discussthepicturesingroupsabouthowtoprotectrainforests.Whatshouldwedotoprotectrainforests?Weshouldaskpeoplenotto…cutdowntoomanytrees2Discussthepicturesingroupsabouthowtoprotectrainforests.Whatshouldwedotoprotectrainforests?Inoureverydaylife,let’splantmoretrees.2Writeashortpassage.Beginning:First,_______________________________.Second,______________________________.Third,_______________________________.Forus,weshoulddosomethingaspossibleaswecan.Inthelife,wehadbetter_______________.Ending:Rainforestsareveryimportanttous.Itisnecessaryforustoprotectthemverywell.Thenhowcanweprotectthem?Hereismyadvice.It’sourdutytoprotectrainforestswell.Ifyoufollowmyadvice,ourlifewillbebetterandbetter.Let'sprotectrainforestsfromnowon.Body:Youcanwritelikethis:

Rainforestsareveryimportanttous.Itisnecessaryforustoprotectthemverywell.Thenhowcanweprotectthem?Hereismyadvice.First,weshouldmakepeopleknowabouttheimportanceofprotectingthem.Thenaskpeoplenottocutdownthetreeswithoutplans.Forus,weshoulddosomethingaspossibleaswecan.Whenwehavemeals,wemustn’tusechopsticksforonlyonce.Inthelife,uselesspaperandbesurenottowasteit.

It’sourdutytoprotectrainforestswell.Ifyoufollowmyadvice,ourlifewillbebetterandbetter.Let'sprotectrainforestsfromnowon.1.Withoutwater,thefishintheriverwould___.

A.dieof B.diesof C.diesout D.dieout2.Everydropofwaterisveryimportant___us.

A.in B.with C.to D.at3.Thereare___ofstudentsintheschool.

A.thousands B.threethousands C.thousand D.threethousand4.Ourcityis___and______.

A.morebeautiful;morebeautiful B.more;morebeautiful

C.morebeautiful;beautiful D.themorebeautiful;themorebeautifulExercises1.Beijingisoneof_____citiesinChina.A.verybeautiful B.muchbe