+Unit+2+Topic+3+Section+C 仁爱版九年级英语上册

Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?SectionC1.Somewords:technology,wheel,steel,require,German,guide,deep2.Somephrases:runout3.Somesentences:(1)Inmanycountries,peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.(2)Theywillneverrunoutsotheyarecalledrenewablesources.4.Talkabouttheadvantagesanddisadvantagesofsomekindsofenergy.Learningaims1.做一个环保使者2.应该做某事3.不应该做某事4.代替5.节省能量6.带一个布包7.关掉停止工作8.毕竟9.说起来容易做起来难10.行动胜于言语11.喊着求助1.beagreenerperson2.oughttodosth.=shoulddosth.3.oughtnottodosth.=shouldn'tdosth.4.insteadof(doingsth.)5.saveenergy6.takeaclothbag7.shutoff=turnoff8.afterallRevision9.Easiersaidthandone.10.Actionsspeaklouderthandone.11.cryforhelpReadingPractice1.Accordingtothepassage,whichofthefollowingisTRUE?_______A.ThemaglevtrainwasbuiltinShanghai.B.Wecantakemaglevtraineverywhere.C.Maglevtrainscausenonoise.D.Maglevtrainsonlyhaveadvantages.2.Fromthepassage,thewriterwantstotellus_______.A.thedisadvantagesofusingcoalB.weshoulduserenewableenergytosolveenergyproblemsC.everycoinhastwosidesD.Chinaisgoodatproducingpower3.Theunderlinedphrase“runout”inparagraph2means_______inChinese.A.用光B.跑出去C.生产D.制作4.Therenewableenergyrefersto________inthepassage.A.NuclearpowerB.MaglevtrainC.ElectricvehicleD.Biogas5.Ifweputthepassageintotwoparts,whichofthefollowingstructureisthebest?________A.Para.1

Para.2B.Para.3Para.4Para.1Para.2Para.3

Para.4C.Para.1Para.2Para.3Para.4CBADAparagraph2

paragraph3

Paragraph4

1a.Lookatthepictures.Doyouknowwhattheyare?Choosetherightpictureforeachparagraph.1b.Read1aandmatchthewordswiththepicturesonPage48.A.acidrain B.nuclearenergy C.biogasACB1c.Read1aagainandcompletethetable.

ItemAdvantageDisadvantagebiogas

electricvehicle

maglevtrain

renewablelongprocessandhighcostsaveenergy,nopollutiontoosmalltoholdmanypeople

quiet,quick,energy-efficient,nopollution

muchmoreexpensiveKeypoints1.bethefirst/second/+n.+todosth.是第一个做某事的

bethelast+n.+todosth.

是最后一个做某事的.eg.Chinaisthefirstcountrytorealize5Gtechnology.2.usesth.todosth.=usesth.for(doing)sth.使用某物做某事3.in+the+年份s/’s在几世纪几十年代eg.inthe1980sinthe2010’s4.requirev.需要，需求1)sth.+require+(doing)sth.“某事需要被做”主语是物，用动词ing形式表被动。e.g.Thefloorrequirescleaning.2)requre/need+sth./todosth.“需要(做)某物”eg.Irequre/needsomewater.3)requiresb.todosth.=asksb.todosth.要求某人做某事eg.Mymotherasks/requiresmetobuysomesaltforher.

Keypoints5.costv.花费

(costcostcost)sth.costtoomuch/toolittle.译为“花费多/少”。sth.costsb.+钱（做谓v.时，主语必须是物）

eg.ThegoldwatchcostMrs.Zhou30thousandyuan.costn.成本用high/low来修饰。eg.Thecostofthegoldwatchistoohigh.=Thegoldwatchcoststoomuch.6.upto达到7.notonly...butalso.../neither...nor.../either...or...在连接两个主语时，采用“就近原则”。eg.NeitherInorheisatschool.Eitherheoryouareinthedinninghall.NotonlyshebutalsoIamontheplayground.▲both...and...连接主语时，用作复数。eg.BothIandheareathome.Keypoints8.holdv.容纳，抓住，举行holdon,please.别挂断，请稍等。eg.1.TiananmenSquarecanholdaboutonemillionpeople.

2.Holdthebabyaminute,please.

3.Theywillholdameetingtodiscusstheproblemtomorrow.9.too+adj.+todosth.太而不能（常与以下句型作同义替换）not+adj.(用原句的反义词）+enough+todosth.so+adj./adv.+that从句such+(a/an)+...+n.+that从句eg.Thedinninghallissosmallthatitcan’tholdfiftypeople.=Thisissuchasmalldinninnghallthatitcan’tholdfiftypeople.=Thedinninghallistoosmalltoholdfifitypeople.=Thedinninghallisn’tbigenoughtoholdfiftypeople.10.It+takes+(sb.)+time+todosth.

人+spend+time+onsth./(in)doingsth.Keypoints▲.

人+spend+money+onsth./(in)doingsth.

人+pay+money+forsth.

物+cost+(sb.)+money11.oneof+可数名词复数 ……之一12.lookfor寻找，强调动作find找到，强调结果findout发现，查明真相；着重表示通过理解、分析、思考、询问等“弄清楚”“查明”一件事情，某个情况、事实eg.welookedforhimeverywhere，butdidn'tfindhim.Pleasefindoutwhenthetrainleaves．13.alittle,abit,alot,much,even,still,rather等修饰形容词时，形容词可用比较级.14.one(单数)/ones(复数)表同类异物。it/they表同类同物。that(单数/不可数)/those(复数)那个/那些，表前面提到的事物，避免重复。Keypointseg.1.HehasanicecoatandIhaveaniceone,too.2.MyMP3isold,butIstilllikeitverymuch.3.ThefoodinChongqingisquitedifferentfromthatinGuangdong.15.no=not...any+不可数/复数名词no=not...a+单数名词16.runout/runoutof用完，耗尽runout主语为物，且无被动。runoutof主语为人eg.Ourfoodhasalreadyrunout.=Wehavealreadyrunoutofthefood.17.reachaspeedof+具体速度，

达到某个速度ataspeedof+具体速度，

以某个速度18.Germann.德国人，德语(pl.Germans)Germanyn.德国

Thesun,wind,wavesandheatfromdeepintheearthareenergysources.Theywillneverrunoutsotheyarecalledrenewablesources.In2011,about16%ofenergyusedworldwidecamefromrenewablesources.Theuseofitisincreasingrapidlyeachyear.2a.Readthepassagebelowandmatchthepictureswiththesentences.Thendiscussindetailtheuseofoneenergysource.Windcanproduceelectricityinmanyplaces.Peopleusesunlighttoproduceelectricity.Seawavesareusedforproducingelectricity.Peopleusehotwaterorsteamfromdeepintheearthtoproduceelectricityandheatforfactories,schoolsandhomes.（2）（4）（1）（3）2b.Takenotesonyourdiscussionandwriteapassagewiththem.

Youmaybeginlikethis:Sunlightcanproducealotofenergy.Peoplebegantousetheenergyfromthesunlightindifferentwaysmanyyearsago…

Sunlightcanproducealotofenergy.Peoplebegantousetheenergyfromthesunlightindifferentwaysmanyyearsago.Wecanuseittowarmthehouseinthewinter,toheatthewaterforbaths,andtoproduceelectricity.What’smore,wecanevenuseittorunvehiclesdirectlyinthenearfuture.Asisknowntous,theenergyfromthesunlighthasalotofadvantages.Forexample,itisclean,renewableandnon-polluting.Besides,itdoesnoharmtoournature.Sowe’dbetteruseitasmuchaspossible.Youcanwriteitlikethis:Exercisesinclass

1.使用某物做某事

2.全世界

3.寻找

4.不但...而且

5.太...而不能做某事

6.花费某人多长时间做某事

7.是第一个做某事的8.某事需要被做9.要求某人做某事10.达到多少数量11.用完，耗尽12.……之一13.达到某个速度14.以某个速度1.usesth.todosth.=usesth.for(doing)sth.2.allovertheworld3.lookfor4.notonly...butalso...5.too+adj.+todosth.6.It+takes+(sb.)+time+todosth.7.bethefirst/second/+n.+todosth.8.sth.+require+(doing)sth.9.requiresb.todosth.=asksb.todosth.10.upto11.runout/runoutof12.oneof13.reachaspeedof+具体速度14.ataspeedof+具体速度Exercisesinclass1.Weallknowthatlearningalanguage_________timeandeffort.A.requiresB.reducesC.removesD.reuses2.Wethinkhumanbeingsmayliveonthemooninthefuture.________,nooneissureaboutit.A.WhileB.WhateverC.SinceD.However3.-Whatdoyouthinkofyournewclassmate?-She________hasgoodgrades_______isgladtohelpothers.A.too...toB.notonly...butalsoC.both...andD.so...that4.-Doyoutakeexerciseeveryday?

-Yes.Itusually________meabouthalfanhourtodothat.A.spendsB.costsC.takesD.pays5.-Doyouthinkfreshwatercan________onearthoneday?

-I'mafraidso,ifpeopledon'tsaveit.A.takeout

B.gooutC.runoutD.putout6.AfarmerinEnglandusedanimalwaste______hiscar.A.ranB.runningC.torunD.runs7.Electriccarsworkwell,____theyare