Unit13SectionA2dgrammar課件人教版九年級英語全冊

Unit13We'retryingtosavetheearth.

SectionA2d-GFTheairisbadlypollutedbecausethereare_____________ontheroadthesedays.Factoriesthatburncoalalso___________theairwithalotofblacksmoke.Thereisalsotoomuchrubbishandwaste.People___________________thingseveryday.Peoplearealsolitteringin________________likeparks.Thisisturningbeautifulparksintouglyones.morecarspollutearethrowingawaypublicplacesCausesCausesofairpollutionCausesoflandpollutionairpollutionlandpollution2bListenagainandcompletethesentences.What(doyouthink)hascaused...?rubbish&litter&wastelitter:smallpiecesofrubbishsuchaspaper,cansandbottles,thatpeoplehaveleftlyinginapublicplace（室內(nèi)或公共場所）亂扔的廢物（紙屑、不要的包裝紙、廢瓶等）waste:materialsthatarenolongerneededandarethrownaway廢料；廢物；棄物；垃圾rubbish:thingsthatyouthrowawaybecauseyounolongerwantorneedthem垃圾；廢棄物JasonandSusanaretalkingaboutafew_____________________theyhaveseen.

Oneproblem

isthattheairis___________.Weusedtoseethestars___________,butnowwehardlyeversee________anymore.Onereasonisthattherearemore____ontheroadthesedays.It’salsobecausefactoriesthat________pollutetheairwithalotof___________.

Theotherproblemisthatthereistoomuch______and_____inthestreets.It’sbecausepeopleare

throwingawaythingseveryday.Andpeoplearealsolitteringin____________likeparks.

Theseare_______problemsforourenvironment.environmentalproblemsclearlyblueskiescarsburncoalblacksmokerubbishwastepublicplacesseriousbadlypolluted2c.Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Yes,Iusedtobeabletoseestarsinthesky,butnow...Theproblemisthat.../Anotherproblemisthat...Onereasonisthat.../It’salsobecausethat...2cUsetheimformationin2aand2btorole-playconversationsbetweenJasonandSusan.Earthisourmother.Withoutearth,withoutlife.Takeactiontocutdownpollution!PollutionCausesAirpollutionRevision...isbadlypollutedbecause...morecars...thesedays.Factories...coal...pollute...blacksmoke....toomuch...and...arethrowingaway......litteringinpublicplaceslike...Thisisturning...into...Whatdoyouthinkhascausedairproblem?Let’stalkaboutthethingswecandotohelp.environmentallyfriendlyshoppingbagsPollutionWaystosolvetheproblemRideabike,takethebusorsubwayinsteadofdriving.Bringabagtogoshopping.Don’ttakewoodenchopsticksorplasticforkswhenyoubuytakeawayfood.Throwrubbishinthebins.Watchandfillinthechart.1.Whatkindsofpollution

arementionedinthisconversation?2.Howtosolvethem?AirpollutionWastepollutionWhatareyourideasfor...?Haveyougotanyideasfor...?Ihavenoidea.cutdownthetreescutdown(on)theprice/costreduce...causesth.=leadtosth.=resultinsth.leadtosb’ssuccess/failuretakeactiontodoActionsspeakerlouderthanwords.anactofkindnessadvantagesanddisadvantagestakeadvantageof...=makeuseof...atthecostof...We’retrying

tosavetheearth.PresentprogressiveTheriverusedtobesoclean.usedtoTheairisbadlypolluted.PassivevoiceNoscientificstudieshaveshownthatsharkfinsaregoodforhealth.PresentperfectWeshouldhelpsavethesharks.ModalverbsGrammarFocusHavetakenhelpedconsideredhadhadtookthinkcametryingYes,Wecan’taffordto_______anylongertotakeaction.waitPeople_________thinkthatbigthings_________bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you__________saveelectricitybyturningoffthelightswhenyouleavearoomyou__________alsousereusablebagsinsteadofplasticbags.Ithinkit'sagreatideathatyounow___________payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you__________rideyourbikeorwalk.Ifit'sfar,you__________takethebus.Allthesesmallthings___________addupandbecomebigthingsthat________improvetheenvironment.Let'stakeactionnow!canwouldcouldhavetoshouldmustmay/might

4bFillintheblankswiththeappropriatemodalverbsfromthebox.may/mightshould/must/havetocan/should/couldcan/could/shouldhavetocan/could/shouldcan/couldwould/can/couldcan/could

4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscus