Unit2SavingtheEarthTopic3SectionD 學(xué)習(xí)目標(biāo)1.能熟悉并正確運(yùn)用本課時的重點(diǎn)單詞和短語2.能進(jìn)一步鞏固復(fù)合從句3.能夠談?wù)撋值闹匾訤orestsarethelungsoftheearth.

RemovecarbondioxidefromtheairMakeoxygenReadparagraph2andanswer.Whatdifficultiesdotreeplantersfacewhentheyplanttrees?

(1)Theweathermaybeveryhotanddryoritmaybeverycoldandwet.(2)Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,arms,andfaceswhiletheywork.(3)Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.()1.Helpotherswheneveryoucan_____you’llmaketheworldanicerplacetolivein.A.or B.and C.butD.while()2.Crosstheroadcarefully,________you’llkeepyourselfsafe.A.so B.or C.butD.and()3.Hurryup,________you’llbelatefortheconcert.A.or B.so C.butD.and()5.IalwaysenjoyvisitingLondon,______Iwouldn’tliketolivethere.A.becauseB.so C.but D.and()6.Therearemanysportsloversinhisoffice.Someloveclimbing,____othersenjoyswimming.A.Or B.forC.while D.soBDACCFunctionsWouldyouliketobea__________person?First,yououghtto_________theelectricitywhenyouleavearoom.__________saidthandone.Actionspeak_________thanwords.Thetraincan_________atopspeedof431kmperhour.greenershutoffEasierlouderreachReadingPracticedecidewhichofthefollowingsentencesistrue“T”orfalse“F”.1.Forestsaretheheartsoftheearth.()2.Inmanycountries,forestswerecutdowntomakemoney.()3.Theseyoungmenandwomenfacemanydifficultieswhentheyplantnewtrees.()4.Eventhoughtreeplantingisverydifficult,theylovetheirwork.()

TFTFParagraph2Theseyoungmenandwomenface

manydifficultieswhentheyplantnewtrees.Theweathermaybeveryhotanddryoritmaybeverycoldandwet.Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,armsandfaceswhiletheywork.Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.Readparagraph3andanswer.Whydotheyplantdifferentkindsoftrees?Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.Paragraph3Treeplantersarechangingtheworld.Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.Eventhoughtreeplantingisverydifficult,theylove

theirwork.Theybelievethatin50yearstheirlittletreeswillbecomebeautifulforests.RightorWrongThrowtherubbishhereandthere.Don’tspitinapublicplace.Drawabeautifulpictureonthepublicwalls.Don’tthrowthingsawayiftheycanbereused.Gotoschoolbybikeinsteadofbybus.Collecttherubbishandtrytosortit.Pourdirtywaterintoriversdirectly.Turnoffthelightswhenyougoout.ExamplePollutionWaterPollutionSoilPollutionAirPollutionNoisePollutionReason:Factories…LitterLightPollutionEffect:…HowtoSolve:…Whatwillhappenifwedonotplantnewforests?DiscussReview鼓勵某人做某事encouragesbtodosth趕快，快點(diǎn)hurryup放棄giveup畢竟，歸根結(jié)底afterall用光，耗盡runout關(guān)掉電源shutofftheelectricity節(jié)約能源saveenergy代替，而不是insteadof行動勝于言辭Actionsspeaklouderthanwords說起來容易做起來難EasiersaidthandoneSummaryWelearn:

1.Somewords:

dry,remove,replace,insect,bite,planter

2.Somephrases:providesth.todosth.;facedifficulties;eventhough

3.Somesentences:(1)Withoutthem,itcannotbreathe.(2)Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.

Wecan:

1.Usethecompoundsentencecorrectly.2.Realizetheimportanceoftheforest.1.ReadthepassageandanswerthequestionsonPage50.1.Howdoyouunderstand‘Forestsarethelungsoftheearth’?Forestscanremovecarbondioxidefromtheairandmakeoxygen.2.Whatdifficultiesdotreeplantersfacewhentheyplanttrees?(1)Theweathermaybeveryhotanddryoritmaybeverycoldandwet.(2)Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,arms,andfaceswhiletheywork.(3)Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.3.Whydotheyplantdifferentkindsoftrees?Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.4.Whatwillhappenifwedonotplantnewforests?

Theforestswillbecomelessandless.Wecannotbreathewithoutthem.5.Wouldyouliketobeatreeplanterwhenyouareolder?Whyorwhynot?HomeworkWorkbook:Unit2Topic3SectionDExercisebook: Writeashortpa