Unit4Topic1SectionC課件八年級英語上冊

學習目標一、掌握以下單詞和短語：rainforest,thick,forest,ground,wed,cover,earth,surface,thousandsof,nowhere,control,climate,die,wood,protect,thousandsofplayanimportantpart(insth.)

smallerandsmaller等。二、了解熱帶雨林的現(xiàn)狀并呼吁同學們保護雨林。rainforestRainforestsareinthehotpartsoftheworld.Theyonly

cover6%oftheearth'ssurface./'k?v?/v.覆蓋

?/s??rf?s/n.表面,地面rainforestWhat’sintherainforest?thelungsoftheearthWecanseethickforests./θik/

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

foodandfruitmedicineWhat’sintherainforest?50%的大氣水來自雨林雨林是個巨大的儲水庫Rainforestsplayanimportantpartincontrollingtheclimate./k?n?tro?l/vt.控制/?kla?m?t/n.氣候holdthewaterkeepthewatercycling單詞英漢互譯濃密的groundwet表面提供藥材climate控制覆蓋woodTodaywewilllearnthispassage.Skimming—What’sthemainideaofeachparagraph.A.TheimportanceoftherainforestsB.WhatarerainforestsC.HowtoprotecttherainforestsD.Thefeature(特征)ofrainforestsReadPar.1andfillintheblanks.thefeature(特征)ofrainforestsSquare(面積):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“覆蓋”.2.Whyarerainforeststhelungsoftheearth?

Becausetheplantsintheforestshelptomaketheairfresherandcleaner.3.Whyshouldweprotectrainforestswell?

Becausetheyhelptoholdthewaterandkeepthewatercycling.Theyplayanimportantpartincontrollingtheclimate.4.Canyouguesswhatthenextpartofthepassagewilltalkabout?

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

為...提供..._____________________3.數(shù)以千計的動植物_______________________4.各種各樣的________________________5.對...很重要_________________6.使空氣更清新和更清潔_________________7.保持水循環(huán)利用___________________8.在...發(fā)揮重要作用_______________________9.滅絕_____________10.出于許多原因______________________11.變得越來越小______________________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蓋住Abecoveredwithsth被…覆蓋他用報紙蓋住了自己的臉。He________hisface_____anewspaper.道路被雪覆蓋了。Theroad_______________snow.coveredwithiscoveredwithKeypoints1.Rainforestscover6%oftheearth’ssurface.6%:sixpercent數(shù)詞%+可數(shù)名詞復數(shù)可數(shù)名詞單數(shù)/不可數(shù)名詞謂用復謂用單

Eg:50%ofthe

studentsinourclass____(be)

boys.70%oftheearth____(be)water.areisKeypoints2.TheyprovideplacestoliveforthousandsofplantsandanimalsfoundnowhereelseonEarth.providesthforsb=providesbwithsth給某人提供某物村民們?yōu)樗麄兲峁┦澄铩hevillagers_______________________.Thevillagers

_______________________.providedthemwithfoodprovidedfoodforthemKeypoints2.TheyprovideplacestoliveforthousandsofplantsandanimalsfoundnowhereelseonEarth.thousandsof=thousandsandthousandsof成千上萬的hundredsof

數(shù)以百計的thousandsof成千上萬的millionsof數(shù)以百萬計的billionsof幾十億的

具體幾百幾千，不加s200:twohundred3000:threethousandKeypoints3.Theyalsohelptoholdthewaterwhenitrainsandkeepthewatercycling.keep…doing使…一直做表示不間斷地做某事我的老師要我整個下午都做作業(yè)Myteacher______________myhomeworkalltheafternoon.他總是保持微笑。

Healways_______________.我們應該保持鍛煉。

Weshould________________.keptmedoingkeepssmilingkeepexercisingKeypoints4.Theyplayanimportantpartincontrollingtheclimate.

playanimportantpart/rolein在...中起著重要的作用計算機在我們的生活中起著重要的作用。Computers_________________________inourlives.他積極參加班級活動。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