初中英语-3We are trying to save the earth教学课件设计

Unit13We'retryingtosavetheearth!依汶中学

Myelderbrotherusedtocatchfishintheriver.Butnowthereisnomorefishforhimtocatch,becausetheriveristoodirty(adj.脏的),it'sfullofrubbish(n.垃圾).

Peoplearethrowing

litter(n.垃圾)intoitandtheriverbecomesugly(adj.丑陋的).Myelderbrotherwritestothegovernment(n.政府)andaskspeoplenottousewooden(adj.木制的)chopsticksandplastic(adj.塑料的)bags.Myelderbrotherusedtocatchfishintheriver.Butnowthereisnomorefishforhimtocatch,becausetheriveristoodirty(adj.脏的),it'sfullofrubbish(n.垃圾).Peoplearethrowing

litter(n.垃圾)intoitandtheriverbecomesugly(adj.丑陋的).Myelderbrotherwritestothegovernment(n.政府)andaskspeoplenottousewooden(adj.木制的)chopsticksandplastic(adj.塑料的)bags.

Whycan'tmybrothercatchfishnow?happyHowdoyoufeel?sadsorryupsetangrysurpriseTheriverusedtobeWaterpollution

Now,itis

clean

dirtyFactoriesareputtingwasteintotheriver.Peolpearethrowinglitterintotheriver.Thesky

usedtobeairpollution

Now,it's

clean

dirtyFactoriesarepollutingtheairwithalotofblacksmoke.noisepollution

Thestreet

usedtobeNow,it's

quiet

noisyManycarsarerunning

onthestreet.Theland

usedtobeNow,it'slandpollution

beautiful

badlypollutedPeoplearethrowing

littereverywhereTheearthisbadlypolluted.Pairwork

A:Howistheriver/air/land...?B:It'sreally...Butitusedto...A:What

causedtheproblem?B:...areputting.../arerunning.../arethrowing...ListeningTonyandMark1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(渔民)tocatch.reallydirtyrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanup

RetellWhatkindofpollution?Theriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish.Therewerenomorefishforfishmentocatch.Peoplearethrowinglitterintotheriver.Factoriesareputtingwasteintotheriver.Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.EveryoneshouldhelptocleanuptheriverproblemsolutionsriverbottomfishpeoplefactorieswritetoclosedowncleanupwaterpollutionreasonsJasonandSusanarebeinginterviewedbyareporter.

JasonSusanListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution

Environmental

problemswaterpollutionairpollutionlandpollution1.Becausethereare__________ontheroadthesedays.2.Factoriesthatburncoalcanalso_______theairwithalotofsmoke.1.People________________thingseveryday.2.peoplearealsolitteringin______________likeparks.morecarspolluteare

throwingawaypublicplaces

RetellWhatkindsofpollution?TheairisbadlypollutedTherearemorecarsontheroadthesedays.Factoriesthatburncoalalsopollutetheairwithalotofblacksmoke.There'stoomuchrubbishandwasteinthestreets.badlypollutedmorecarsfactoriestoomuchrubbishandwasteland

pollutionairpollutionproblemreasonsproblemreasonsPeoplearethrowingawaythingseveryday.Peoplearealsolitteringinpublicplaceslikeparks.throwingaway...littering...Environmentalproblemswaterpollutionairpollutionlandpollution1.Becausethereare__________ontheroadthesedays.2.Factoriesthatburncoalcanalso_______theairwithalotofsmoke.1.People________________thingseveryday.2.peoplearealsolitteringin______________likeparks.morecarspollutearethrowingawaypublicplacesHowshouldairpollutionbesolved?

DiscussionHowshouldairpollutionbesolved?

Kindsofpollution

Solutions

Waterpollution

Airpollution

Landpollution...writeto......closedown......cleanup......closedown......takethebusorsubway......rideabike...Environmentalproblemswaterpollutionairpollutionlandpollution1.Becausethereare__________ontheroadthesedays.2.Factoriesthatburncoalcanalso_______theairwithalotofsmoke.1.People________________thingseveryday.2.peoplealsolitterin____________likeparks.morecarspollutearethrowingawaypublicplacesHowshouldlandpollutionbesolved?

DiscussionHowshouldlandpollutionbesolved?

KindsofpollutionSolutions

Waterpollution

Airpollution

Landpollution...writeto......closedown......cleanup......closedown......takethebusorsubway......rideabike......bringabag......closedown......throw...in...

Thinkabouttheenvironmentinyourtownanddescribetheenvironmentalprobleminyourtown.Thenaccordingtothefollowingquestionswriteashortpassage.What’stheproblem?Whatcausedtheproblem?Howshouldtheproblembesolved?

Writing写作指导：Successcomesfrompractice!waterpollutionproblemTheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish.Therewerenomorefishforfishmentocatch.

Summary

Kindsofpollution

ReasonsSolutions