Unit 8 Save Our World Lesson 44 示范公开课教学课件 (八下翼教版)

Unit8Lesson44EnvironmentClubsThinkaboutit!•Whatdoyoudowhenyouseesomebodythrowinggarbageontheground?Doesyourschoolhaveanenvironmentclub?Warm-upWarm-upLookandtalkWhatcanyoudotostoppollution?Words&expressionsPresentationreducereusableleastpollutelitresinkelectricityshut减少可重复使用的最少的（地）；最小的（地）污染；弄脏公升水槽；水池电关上；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.鼓励；激励

反义词为discourage，意为“使泄气”。

【拓展】encouragesb.todosth.意为“鼓励某人做某事”。encouragesb.insth.意为“在某事上鼓励或支持某人”。e.g.Mymotherencouragedmetohaveatry.我母亲鼓励我试一试。Herfatherencouragesherinherdrawing.她的父亲鼓励她画画。Languagepoints

2.wastev.&n.浪费(1)wastetime/moneyon...意为“在……方面浪费时间/金钱”。wastetime/money(in)doingsth.意为“浪费时间/金钱做某事”。e.g.Don’twastetimeonitanymore.

不要再在这上面浪费时间了。Youarewastingyourtime(in)tryingtoexplainittohim.

你努力跟他解释这件事是在浪费时间。Languagepoints(2)waste可作名词，意为“浪费，滥用”，是不可数名词，但可

与a连用；作为“垃圾；废物”讲时，常用作复数形式。

常用句型为：It’sawasteoftime/moneytodosth.意为“做某事

是浪费时间/金钱的”。e.g.It’sawasteo