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1、牛津英语8AChapter6PollutionFighters Reading It safestival It sthefirstdayofayear It scoming NewYear sDay Guessingriddles It sonthe12thofmarch Onthatday peoplealwaysplantmanytrees TreePlanting ArborDay Guessingriddles Aretreesimportanttous Comparedwiththelastfewyears theenvironmentisgettingworse Nowhuman
2、beingsaredoingsomethingbadtothenature Howmanykindsofpollutiondoyouknow Brainstorming airpollution noisepollution waterpollution landpollution Treesareveryimportantinourdailylife Whatcanwegetfromtrees use eat drink wear pencils chopsticks tables chairs paper fruit nuts tea leaves coffee beans flowers
3、 shoes rubber Brainstorming Reading Readthepassageonpage79 loudly 大声地 quickly 快地 clearly 清晰地 smoothly 流畅地 Answerthefollowingquestions 1 Whatgoodaretrees 2 Whatcanwegetfromtrees 3 Treesarenaturalairconditioners isittrueorfalse 4 Cantreescommunicatewithoneanother Giveanexample 5 Aretreesindanger Why T
4、reesareimportantforus theyaretheoldestandlivingthingsonearth Theymakestreetsmorebeautifulandlessnoisy Whentheyarealive theygiveusO2 whentheyaredead wecangetwoodfromthemandwecanusewoodtomakefurniture Treescooltheaircleanit Nowtheyare becausepeopleandburnthem Therearelessandlesstreesonearth Ourenviron
5、mentbecomeworseandworse Ifwedonotprotecttrees oneday therewillbetreesonearthbutseed bigaswellaswooddangercut biggest wooden aswellas cutdown dangerous areimportant useful theoldestandbiggest weget fromtreesmakestreetsmorebeautifulandlessnoisy airconditioners maketheaircleanandcoolindanger dangerous because stopcuttingdowntrees Retellthetext FromnowonTryourbesttomakeourcitymorebeautifulIbelieveonedayTheskywillbemoreblueTheairwillbefresherThewaterwillbemoreclearWewillbehappier Thanksalot