Unit 2 Saving the Earth Topic 3 Section D 示范公開課教學(xué)課件【九年級(jí)英語上冊(cè)仁愛版】

Unit2SavingtheEarthSectionDTopic3Whatcanwedoathometoprotecttheenvironment?

conjunctionsand,but,while,orhowever,sonotonly…butalso…,afterallfor,since,asbesides,what’smore,what’sworseReviewthecompoundsentencesRevisionReviewconjunctionsRecyclingcanprotecttheenvironment,______itcansavemoney,too.Somethingswehavedonearegoodfortheearth______somearebad.Weshoulddoeverythingtoprotectit,___we’llbepunishedandloseourhome.peopleproducepowerfromcoal,_____itisverydirtyandcausesacidrain.andwhileorbutRevisionCompletethesentenceswithconjunctionsMarylivesaboutfivemilesfromherwork.Sheusedtotakeabusthere.(1)__________nowtherearenobusestravellingthatway.Sosheridestowork,(2)__________hercolleaguesdrivetheircars.(3)__________shecouldaffordacar,shedidnotwanttoaddtotheearth’spollution.(4)__________sheboughtanelectricmotorbike.Thebikedoesnotpollute(5)__________Marydoesnotneedtopayforgasline.Sheishappythatherbikeisnotpollutingtheenvironment.RevisionCompletethepassagewithand,but,so,whileoralthoughwhileandSoAlthoughButChoosethebestanswer()1.Helpotherswheneveryoucan_____you’llmaketheworldanicerplacetolivein.A.or B.and C.but D.while()2.Crosstheroadcarefully,_____you’llkeepyourselfsafe.A.so B.or C.but D.and()3.Hurryup,_____you’llbelatefortheconcert.A.or B.so C.but D.and()4.—TellussomethingaboutCanada,OK?—I’msorry._____Jack_____Ihaveeverbeenthere.A.Either,or B.Notonly,butalsoC.Both,and D.Neither,nor()5.IalwaysenjoyvisitingLondon,_____Iwouldn’tliketolivethere.A.because B.so C.but D.andBDADCRevisionWouldyouliketobea_______person?First,yououghtto_______theelectricitywhenyouleavearoom._______saidthandone.Actionspeak_______thanwords.Thetraincan______atopspeedof431kmperhour.greenershutoffEasierlouderreachRevisionFunctionsFreetalk1.Doyouknowthe

forest’sfunctions?2.Whathappensto

theforestnow?Pre-readingWhile-readingReadandanswer1.Howdoyouunderstand“Forestsarethelungsoftheearth”?2.Whatdifficultiesdotreeplantersfacewhentheyplanttrees?Forestscanremovecarbondioxidefromtheairandmakeoxygen.a.Theweathermaybeveryhotanddryoritmaybeverycoldandwet.b.Thereareoftenmanyinsectsthatbitetheseplantersontheir

legs,arms,andfaceswhiletheywork.c.Theycarryheavybagsofsmalltrees,andworkinginthe

mountainscanbedangerous.While-reading3.Whydotheyplantdifferentkindsoftrees?4.Whatwillhappenifwedonotplantnewforests?Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.Theforestswillbecomelessandless.Wecannotbreathewithoutthem.Languagepointsdryadj.干的；干燥的v.擦干；使……干replacev.代替，取代cutdown砍倒，削減eventhough即使，雖然不與but連用e.g.Eventhoughtreeplantingisverydifficult,theylovetheirwork.Post-readingMakeadialogueinpairsWouldyouliketobeatreeplanterwhenyouareolder?Whyorwhynot?Post-readingSample:A:Wouldyouliketobeatreeplanterwhen

youareolder?B:Yes,Ithinkplantingtreesis…/No,I

thinkthereareotherjobswouldalsoprotect

theenvironment…A:…Post-reading1.Doyouusuallyrecyclenewspapersorcans?A.Often.(2) B.Seldom.(1) C.Never.(0)2.Whatdoyouusuallytake?A.Abath.(0) B.Ashower.(2)3.Whenyouhaveashortjourney,howdoyouusuallygothere?A.Walkorrideabike.(3)B.Gobycar.(0)

C.Gobybus.(2)4.Whatdoyouusuallydowhenyouseeotherslittering?A.Stopthem.(2) B.Pickthelitterup.(1) C.Donothing.(0)5.Howoftendoyouusepapertowels?A.Often.(0) B.Seldom.(1) C.Never.(2)FinishthequizPost-reading6.Howoftendoyoueatfastfood?A.Often.(0) B.Seldom.

(1) C.Never.(2)7.Whattypeofbagsdoyouuseforshopping?A.Basketsorclothbags.(3)B.Reusedplasticbags.

(1) C.Newplasticbags.(0)8.Howoftendoyouturnoffthelightswhenyouleavearoom?A.Nearlyalways.(2) B.Seldom.(1) C.Never.

(0)

0—4Youhavenotstartedturninggreenyet!5—9Youarepalegreen.10—13Youaremediumgreen.Tryharder.14—18Youarebrightgreen,butdonotstoptrying.Whoisthegreenestinyourclass?Scores:MakeaproposalaboutbeingagreenerpersonbasedonthequizDearclassmates,Takinggoodcareofourenvironmentisveryimportant.Whereveryoulive,youcandosomethingaroundyourneighborhood.First,_____________________Second,_______________________…Ifeveryonemakesacontributiontoprotectingtheenvironment,theworldwillbecomemuchmorebeautiful.Post-readingKeywordsandphrases:dry,remove,replace,cutdown,sothat,eventhoughKeysentences:Theweathermaybeveryhotanddryoritmaybeverycoldandwet.Theyc