Unit2Topic2SectionC课件九年级英语上册

Unit2SavingtheEarthTopic2Pollutionhascausedtoomanyproblems.SectionCLanguagegoalsBytheendoftheclass,youwillbeableto1.Masterthefollowingwords,phrasesandsentences:Words：

hole,form,risePhrases:

takeaway,refertoSentences：Alltheseproblemsareveryserious,sowemustdosomethingnow.2.UnderstandtheOzonelayerthingbodyonewheresomeanyeverynoWhocanfillitquicklysomethingsomebodysomeonesomewhereanythinganybodyanyoneanywhereeverythingeverybodyeveryoneeverywherenothingnobodynowherenoneRevision用于肯定句或表请求、建议的疑问句。用于否定句或疑问句。用于各种句型。表否定。表物表人表人或物表地点(1)________ofusknowshowtostopthebadbehavior.(2)Iknockedonthedoorbut___________answered.(5)TheyarebeautifulbutIamlookingfor___________useful.(6)Isthere___________youcandotohelpher?(7)There’re5000peoplelivinghereandalmost_________hashis/herowncar.(8)He’sclevererthan____________Iknow.(9)I’velooked__________butIcan’tfindit.Fillintheblanksusing

something,anything,nobody,everyone,anybody,everywhere,none.NonenobodysomethinganythingeveryoneanybodyeverywhereRevision

1.结果

2.一些有用的东西

3.我们中没有人

4.到处

5.在公共场合

6.爱护野生动物

7.最糟糕的是

8.践踏草坪

9.尽一切努力

10.把….留/忘在某地

11.关心，照顾

12.在…的开始1.asaresult

2.somethinguseful

3.noneofus

4.hereandthere

5.inpublic

6.careforwildanimals

7.worstofall

8.walkongrass9.doeverythingsb.can10.leavesb/sth+介词短语11.carefor=lookafter=takecareof12.atthebeginning(ofsth)Revisioninclass1.Choosesuitabletitleforeachparagraph.Thenwriteitdowninfrontofeachparagraph.ParagraphTwoA.Trafficpollution

ParagraphThreeB.Factorypollution

ParagraphFourC.FewertreesParagraphFiveD.TheozoneholeParagraphSixE.Morecarbondioxide2.Whatdoesourplanetmeanhere?_______A.Thesun. B.Mars.C.Themoon. D.Theearth.3.Inthepassage,

blanketrefersto_________.A.carbondioxidearoundtheearthB.theozonelayerintheskyC.theforestsaroundtheworldD.pollutionallovertheworld4.TheworditinParagraph5refersto_________.A.CO2

B.O3

C.O2

D.H2O5.Whatisthebesttitleforthispassage?_________A.EnvironmentProblems

B.PollutionontheEarthC.HopefortheFuture

D.TheGreenhouseEffectDABA1c.Completethenotesaccordingto1a.ProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollution

greenhouseeffect,levelofoceansrising,climatechangecarsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,causecancerfactorypollution

ozonehole

moreCO2Languagepoints1.takeaway

拿走，取走takeit/themawayeg.Idon'tlikethesebooks.Pleasetakethemaway.▲putaway整理goaway走开beawayfrom离开runaway逃跑giveaway捐赠throwaway扔掉2.referstosb./sth./doingsth.(referred-referred)谈及，说起；指的是eg.OurplanetreferstotheEarth.3.whileconj.而,然而,相当于but,表示对比eg.HeisateacherwhileIamadriver.

▲1.while作从属连词,意思是“在...的时候”,表示一个动作在进行的同时,另一个动作也在发生。eg.WhileIwasreading,someoneknockedatthedoor.2.while作名词,意为“一会儿,一段时间”。afterawhile过了一会儿waitforawhile等一会儿onceinawhile偶尔Languagepoints4.ontheearth

在地球上

onearth

究竟,到底(用于疑问句后以加强语气)5.inmanyways在许多方面6.directadj.直接的directlyadv.直接地directionn.方向inalldirections=ineverydirection四面八方，从各个方向inone’sdirection朝某人的方向inthedirectionof---朝、向---方向7.passthrough穿过8.risevi.上升,升起(rise-rose-risen)e.g.Thesunrisesintheeast.raisevt.举起,提起,提高;养育;筹集raisemoney筹钱raiseprice提高价格raiseone’svoice提高某人的音量raiseone’shand举起某人的手LanguagepointsLanguagepoints14.form①形成

formablanket形成一张地毯

②种类，形式(名词）=kindEg：Differentcountrieshasdifferentformsofgovernment.15.thegreenhouseeffect温室效应16.thelevelof….….的水平17.escapefrom---从......逃走2SurftheInternettocollectmoreinformationaboutenvironmentalproblemsandeffects.Thendiscusstheinformationingroupsandtakenotes.3.Combinethekeypointsin1cand2toformashortpassageandpayattentiontotheproperlinkingwords.Youcanwriteitlikethis:

1.拿走，取走

2.谈及，说起；指的是

3.筹钱

4.穿过

5.在地球上

6.究竟,到底(用于疑问句后以加强语气)

7.全世界

8.温室效应

9.…的水平

10.四面八方，从各个方向

11.从......逃走

12.导致某人做某事

13.一个......另一个1.takeaway2.refersto3.raisemoney4.passthrough5.ontheearth

6.onearth7.allover/around/throughouttheworld8.thegreenhouseeffect9.thelevelof….10.inalldirections=ineverydirection11.escapefrom---12.causesb.todosth.13.one...theotherExercisesinclassSummaryWelearn:

1.somewords:

oxygen,hole,ozonelayer,radiation,directly,carbondioxide,form, blanket,escape,rise,thegreenhouseeffect

2.somephrases:

takeaw