Unit 8 Save Our World Lesson 44 示范公開課教學課件 (八下翼教版)

Unit8Lesson44EnvironmentClubsThinkaboutit!?Whatdoyoudowhenyouseesomebodythrowinggarbageontheground?Doesyourschoolhaveanenvironmentclub?Warm-upWarm-upLookandtalkWhatcanyoudotostoppollution?Words&expressionsPresentationreducereusableleastpollutelitresinkelectricityshut減少可重復使用的最少的（地）；最小的（地）污染；弄臟公升水槽；水池電關上；合上Listenandread.InNorthAmerica,manystudentsjoinenvironmentclubs.Inanenvironmentclub,studentsworktogethertoreducepollutionandprotecttheenvironment.Thefollowingisalistoftheiractivitiesandadvice.?No-garbagelunches:Howmuchgarbagedoyouthrowawayafterlunch?Environmentclubsencouragestudentstobringtheirlunchesinreusablebagsanddishes.Theclasswiththeleastgarbagegetsaprize.Presentation?No-cardays:Onano-carday,nobodycomestoschoolinacar—neitherthestudentsnortheteachers!Carspolluteourair,soremember:Walk,skip,bikeorrun.Useyourlegs!It’slotsoffun!Presentation?Bringyourownshoppingbag!Bringyourownbagwhenyougo

shopping.It’sagoodwaytoreducepackaging.?Savewater!Didyouknowthataleakytoiletcanwaste20to40litresof

wateranhour?Inayear,thatwouldfillalargeswimmingpool!In

environmentclubs,studentsfixleakytoiletsandsinks.Presentation?Saveelectricity!Turnoffthelightswhenyouleavearoom.Turnoffthetelevisionandshutdownthecomputerwhenyouarenotusingthem.Readthelessonandanswerthequestions.1.WhydomanystudentsjoinenvironmentclubsinNorthAmerica?2.Whydothestudentstaketheirownbagswhentheygoshopping?3.Howdothestudentsinanenvironmentclubsavewater?Howdo

theysaveelectricity?Becausetheyworktogethertoreducethepollutionandprotecttheenvironment.Becauseitisagoodwaytoreducepackaging.Theyfixleakytoiletsandsinks.Turnoffthelightswhentheyleavearoom.Turnoffthetelevisionandshutdownthecomputerwhentheyarenotusingthem.Presentation1.Thesoapfactory________thedrinkingwaterinthisarea.2.Studentsshouldnot________paper.3.________knowswhenlifeontheearthstarted.4.Hewhotalksthemostknowsthe________.5.Icouldn’t________thewindowbecauseitwasstuck.Fillintheblankswiththecorrectformsofthewordsinthebox.wasteleastnobodyshutpollutewasteNobodyleastshutpollutedPresentationReadthepassageandfillintheblanksInsomecountriesoftheworld,peoplehavestartedtoreducetheamountofgarbagetheymake.How?First,theybuy_______things.Theytrytobuyonlywhattheyreallyneed.Whenyoubuyfewerthings,you______awayfewerthings.Second,theyreusethings.Theyusethings,andthentheyusethemagain!Third,theyrecyclethings.Theymakeoldthingsintonewthings.Peoplecallthesethe

“threeRs”:reduce,________and________.ThethreeRshelpusrememberthat_________isaproblem.reusepollutionfewerthrowrecyclePresentation1.encouragev.鼓勵；激勵

反義詞為discourage，意為“使泄氣”。

【拓展】encouragesb.todosth.意為“鼓勵某人做某事”。encouragesb.insth.意為“在某事上鼓勵或支持某人”。e.g.Mymotherencouragedmetohaveatry.我母親鼓勵我試一試。Herfatherencouragesherinherdrawing.她的父親鼓勵她畫畫。Languagepoints

2.wastev.&n.浪費(1)wastetime/moneyon...意為“在……方面浪費時間/金錢”。wastetime/money(in)doingsth.意為“浪費時間/金錢做某事”。e.g.Don’twastetimeonitanymore.

不要再在這上面浪費時間了。Youarewastingyourtime(in)tryingtoexplainittohim.

你努力跟他解釋這件事是在浪費時間。Languagepoints(2)waste可作名詞，意為“浪費，濫用”，是不可數(shù)名詞，但可

與a連用；作為“垃圾；廢物”講時，常用作復數(shù)形式。

常用句型為：It’sawasteoftime/moneytodosth.意為“做某事

是浪費時間/金錢的”。e.g.It’sawasteo