Unit8A green world教材梳理课件 2022-2023学年牛津译林版八年级英语下册初中英语课件

8BUnit8

Revision一、四会词、重点短语

dig,serious,wise,separate,allow,punish,fine,depend,rich,wisely,produce,difference,pollute,living,survey,empty,harmful,coal,oil,form,carelessly,simple,step.turnoff,liveagreenlife,causeseriousproblems,keepitthatway,beseparatedintodifferentgroups,cutdowntrees,dependon/upon,runout,makeadifference(tosb/sth),asurveyonstudents’dailyhabits,theresultof,beharmfulto,helpkeepsoilinplace,providehomeforanimals,throwawaycarelessly,reusewaterifpossible,beinuse.复习要点二、重点句型1.Wecansavewaterbytakingshortershowers.2.Ifwedroplitterinapublicplace,wewillbefined

bythepolice.3.Therearealsolawstolimitairandwaterpollution.4.Wedependonitsrichresourcestolive,soitisimportantforustoprotectitwisely.5.Thesenewtypesofenergycostverylittleandwillneverrunout.6.Rememberthateveryonecandosomethingtomakeadifference.7.Aswellaspeople,animalsareharmedbypollution.8.Ourenvironmentischangingfortheworse,soitistimeforustogogreen.9.Weshouldseparatewasteintodifferentgroupssothatitcanberecycled.10.Followthesesmallsteps,andyoucanmakeabigdiffrerncetotheearth.三、单元话题

环境保护Environmentalprotection话题简述要点：例一要点：1.污染已经成为当今全世界的一个严重问题。2.我们应当尽最大努力去保护环境。例如，我们应当种更多的树。树减少灰尘，帮助保持空气洁净。3.我们还可以双面使用纸张。离开房间时记得关灯。4.我们正在为保护环境努力，但仍然还有很多可以做的。例二要点：1.我们的环境变得越来越糟糕，是我们该保护环境的时候了。2.你可缩短冲澡时间，如果可能，重复利用水；不使用电视或电脑时，不要忘记关闭电源；去购物时带上自己的袋子，而不使用塑料袋。4.对我们而言，养成绿色的生活方式很重要。遵循这些小建议，你就能改变地球！

1.serious(adj.)认真的，严肃的(adv.)______________2.recycle(vt.)回收利用，循环利用(n.)____________3.wise(adj.)明智的，充满智慧的(adv.)___________(n.)___________4.diference(n.)差异，不同之处(adj.)______________5.pollute(vt.)污染(n.)污染__________(adj.)___________6.harm(vt.)伤害，损坏(adj.)有害的_________(adj.)无害的_________7.carelessly(adv.)满不在乎地，粗心地(adj.)粗心的_______(n.)粗心_________8.simple(adj.)简单的(adv.)仅仅，简直__________9.produce(vt.)导致，产生(n.)产品，成果___________(n.)生产，

产量_________10.survey(n.)调查(pl.)__________词性转换seriouslyrecyclingwiselywisdomdifferentpollutionpollutedharmfulharmlesscarelesscarelessnesssimplyproductproductionsurveys

1.对......有好处2.通过骑自行车来减少污染3.通过短时间的澡来节约水4.关灯节约能源5.回收利用废物保护环境6.曾经做某事7.一个有着高山和清澈干净湖泊的国家8.被分成9.来自全国各地10.不被允许做某事11.砍伐12.在公共场所扔垃圾

重点短语、begoodforreduceairpollutionbyridingbicyclessavewaterbytakingshortershowerssaveenergybyturningoffthelightsprotecttheenvironmentbyrecyclingwasteusedtodosth.acountrywithhighmountainsandcleanbluelakesbeseparatedintofromalloverthecountrybenotallowedtodosth.cutdowndroplitterinapublicplace13.被警察罚款14.限制空气和水污染15.依靠丰富的资源生存16.用完，用尽17.几乎不产生污染18.起作用19.对......有害20.保持土壤21.恶化22.正在使用23.培养绿色生活方式

befinedbythepolicelimitairandwaterpollutiondependonitsrichresourcesrunoutproducelittlepollutionmakeadifferencebebadfor/doharmto/beharmfultokeepsoilinplacechangefortheworsebeinuse/servicedevelopagreenlifestyle知识点归纳1.turnoff关掉(电器、煤气、水龙头等)(1)Wouldyouplease

thelight?Ican’tsleepwellwithiton.

A.turnonB.turnoffC.turnto D.turnaround(2)—Couldyou

thecomputerforme,dear?Iwanttocheckmyemails.

—Certainly,I’lldoitrightaway.A.turnon B.turndownC.turnoff D.turnup【归纳拓展】turnoff是由“动词+副词”构成的短语,名词作宾语时既可放在off前,也可放在off后;代词作宾语时必须放在turn和off之间。Tom,it’stimetoturnofftheTVandgotobed.汤姆,该关掉电视上床睡觉了。【拓展】与turn相关的短语:turnon打开(电器、煤气、水龙头等) turnup调大(音量等)

turndown调小(音量等) turnaround转身,调头 turninto(使)变成

turnto翻到;转向BA2.

allow

vt.

允许(1)Attention,please!Withoutpermission,childrenarenotallowed

alonehere.

A.toswim B.swimmingC.swim D.swam(2)Mymotherdoesn’tallowme

outsidetoolateonschoolnights.

A.stayed B.stayC.staying D.tostay【归纳拓展】她不允许我开她的车。Shedidn’tallowmetodrivehercar.他不被允许开车兜风。Heisn’tallowedtogoforadrive.AD3.difference

n.

差异,不同(之处)(1)—Whichshouldwestartwith,WaterWorldorSpaceWorld?—EitherisOK;itmakesno

tome.

A.mistake B.promiseC.difference D.decision(2)Everyonemakesagreatdifferenceto

(protect)ourselvesfromCOVID-19.

【归纳拓展】difference一般用作可数名词。makeadifference意为“有关系,有影响”;makeabigdifferenceto…意为“对……有很大影响”,to为介词。Theexamwillmakeabigdifferencetous.这次考试将对我们有很大影响。【拓展】difference的形容词形式是different,意为“不同的”。bedifferentfrom意为“与……不同”;bedifferentin意为“在……方面不同”。Cptotecting4.harm

vt.&n.

伤害,损害(1)Drinkingalcohol(白酒)canbe__________thebrain.SopeopleinChinaaren’tallowedtodrinkitiftheyareyoungerthan18.A.goodat B.goodwithC.harmfulto D.thirstyfor(2)根据科学研究,熬夜对我们的身体健康有害。

thescientificresearch,stayinguplatedoes_____________

ourhealth.

【归纳拓展】harm的形容词形式是harmful,意为“有害的”。doharmto…=beharmfulto…,意为“对……有害”。Themedicinedidnotharmhim.Instead,itsavedhislife.这种药没有伤害他,相反,却救了他的命。Itwouldn’tdohimanyharmtoworkabitharder.工作再努力点儿对他没什么害处。CAcorrdingtoharmto

5.separate/divide(1)在瑞士,生活垃圾要分类,并回收。InSwitzerland,householdwasteshould

differentgroupsandthen

.

(2)吴老师把学生分成了四组。MrWu

fourgroups.

【词义辨析】beseparatedintorecycleddividedthestudentsinto词条词性及含义用法separatev.

分开,隔开adj.

分开的,分离的侧重表示把原来在一起或靠近的事物进行分类。separate…from…把……与……分隔开来beseparatedintodifferentgroups分类dividev.

分开指把一个整体分开。divide…into…把……分成……bedividedinto......6.

runout/runoutof(1)—TheoilontheEarthwill

oneday.

—Ithinkso.Weshouldmakegooduseofit.A.findout B.workoutC.giveout D.runout(2)They

theirfoodandwatersevendayslater,buttheywerefarfromthevillage.Theydidn’tknowwhattodo.

A.ranafter B.ranoutC.tookcareof D.ranoutof【归纳拓展】Hismoneysoonranout.他的钱很快就花光了。Heisalwaysrunningoutofmoneybeforepayday.他总是发工资的日子还没到就把钱花完了。Classisover.Thestudentsrunoutoftheclassroom.下课了,学生们从教室里跑了出来。词条含义及用法runout意为“用完”,不及物动词短语,无被动形式,主语一般为物runoutof意为“用完”,及物动词短语,表主动含义,主语一般是人,还有从......跑出的意思DD7.alive/living/lively/live(1)Maryisa

girlandsheoftenmakesfriendswithothers.

(2)Hisgrandfatherdidhisbesttokeepthetree

butitdiedintheend.

(3)TheCCTVSpringFestivalGalaisagreatperformanceshowthatiscovered

attheLunarNewYear’sEve.

(4)Hisunclemakesa

asadriver.

【词义辨析】词条词性含义用法alive形容词活着的,在世的通常只作表语或后置定语

如：keepalive活着living形容词活着的;有生命的livingthings生物

theliving活着的人名词生计makealiving谋生lively形容词有生气的,生机勃勃的makehisclasslively使他的课生动live动词活着,生活,居住liveinsp居住在某处形容词或副词现场直播becoveredlive现场直播livelyaliveliveliving根据句子意思,用括号中所给单词的正确形式填空。1.Danieldidtheexercisestoo

(care)anditmadehisteacherveryangry.

2.—Manyyoungadultsfindithardtomaketheirowndecisions.—Well,theyhavetochoose

(wise)andberesponsiblefortheiractions.

3.Hurryup!Oncetheconcertstarts,nobodyisallowed_________(enter)theconcerthall.

4.Driversshouldparktheircarsintherightplace,orthey_______________(fine).

5.It’ssaidthateffortsarebeingmadetopreventfurther______________(pollute)inourcountry.

6.Readingonmobilephonesforalongtimeis

(harm)toyoureyes.

7.EarlythismorningIwasbusy

(dig)