Unit2 Topic3 Section D课件 九年级英语上册

Unit2SavingtheEarth

Topic3Whatcanwedoathometoprotecttheenvironment?

SectionD

Howimportantistheforest?

Fast-readingUnderlinethetopicsentenceofthepassage.Forestsarethelungsoftheearth.Careful-reading1.Answerthequestionsonpage50.2.Underlinethenewwordsandimportantphraseswhilereading.Howdoyouunderstand“Forestsarethelungsoftheearth”?Forestscanremovecarbondioxidefromtheairandmakeoxygen.Whatdifficultiesdotreeplantersfacewhentheyplanttrees?

(1)Theweathermaybeveryhotand

dryoritmaybeverycoldandwet.(2)Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,arms,andfaceswhiletheywork.(3)Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.Whydotheyplantdifferentkindsoftrees?Theyplantdifferenttypesoftreessothatbirdsandanimalscanliveintheforests.Whatwillhappenifwedonotplantnewforests?

Theforestswillbecomelessandless.Wecannotbreathewithoutthem.

…Review鼓励某人做某事encouragesbtodosth赶快，快点hurryup放弃giveup毕竟，归根结底afterall用光，耗尽runout关掉电源shutofftheelectricity节约能源saveenergy代替，而不是insteadof行动胜于言辞Actionsspeaklouderthanwords说起来容易做起来难EasiersaidthandoneGrammarCompoundSentence

Recyclingcanprotecttheenvironment,_______itcansavemoney,too.Somethingswehavedonearegoodfortheearth_________somearebad.Weshoulddoeverythingtoprotectit,________we’llbepunishedandloseourhome.…peopleproducepowerfromcoal,_______itisverydirtyandcausesacidrain.andwhile

orbutFunctionsWouldyouliketobea__________person?First,yououghtto_________theelectricitywhenyouleavearoom.__________saidthandone.Actionspeak_________thanwords.Thetraincan_________atopspeedof431kmperhour.greenershutoffEasierlouderreachWouldyouliketobeatreeplanterwhenyouareolder?Whyorwhynot?Howcanwebecomeagreenerperson?Turnoffthelightswhenweleavearoom.Walkorrideabikeinsteadoftakingabusorataxi.Takeaclothbagwhenwegoshopping.Don’tdriveacarifyoutravelashortdistance.

Writeonbothsidesofthepaper.Don’tusethethingsthatcanbeusedonlyonce.

Afterwewashfaces,wecanusethewatertowashclothes.TurnofftheTVsetwhileweareaway.

…1.Answerthefollowingquestionstoseehowgreenyouare.ProjectFindingtheGreenestPerson=2=1=0

0—4Youhavenotstartedturninggreenyet!5—9Youarepalegreen.10—13Youaremediumgreen.Tryharder.14—18Youarebrightgreen,butdonotstoptrying.Score:=3ShowyourselfWriteashortpassageaccordingtothequestionsyouansweredjustnow,youcanwritelikethis:Environmentisveryimportanttous,weshoulddoeverythingwecantoprotectit.Forme,Ioften/seldomrecyclenewspapersandcans……SoIampalegreen/mediumgreen/brightgreen.Ishouldtryharder/notstoptrying.Welearn:

1.Somewords:

dry,remove,replace…

2.Somephrases:removesth.fromsth.;facedifficulties;eventhough

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

Wecan:

1.Usethecompoundsentencecorrectly.2.Realizetheimportanceoftheforest.Summar