八年级英语下册 Unit 8 A green world intergrated skills课件2 （新版）牛津版.ppt

八（下）Unit8Agreenworld,Integratedskills,Pollutionhasbecomeaseriousproblemallaroundtheworld.,Whatcanwedotoprotecttheenvironment?,Whatcanwedotoprotecttheenvironment?,reduceairpollutionbyridingbicyclestakeshortershowersrecyclewastee.g.emptybottlessaveenergybyturningoffthelightsturnoffthetapwhenbrushingteethusebothsidesofpaperturnoffthelightswhenweleavearoomtakeourownbagstothesupermarket,plantmoretrees,Howcantreeshelpus?,makeourcitymorebeautifulmaketheaircleanandfreshreducethedustkeepthesoilinplace,plantmoretrees,SandyandKittyaretalkingaboutprotectingtheenvironmentbyplantingmoretrees.Letslistenandfindoutmoreinformation.,Wecanplantmoretrees.Ithinkourtownwilllook_withmoretrees_._isharmfultoour_.Treescanreducedustandhelpkeeptheair_.Treescanalsohelpkeepsoilinplaceduring_.Theycanalso_foranimals.,nicer,around,Air,pollution,health,clean,storms,provide,home,Listenandreadafterthetape.Payattentiontothepronunciationandintonation.,Sandy:Pollutionhasbecomeaseriousproblemallaroundtheworld.Kitty:Yes,Iagree,Weshouldtryourbesttoprotecttheenvrionment.Sandy:Whatcanwedo?Kitty:Wecanplantmoretrees.Ithinkourtownwilllooknicerwithmoretreesaround.Sandy:Goodidea.Treescanreducedustandhelpkeeptheairclean.Airpollutionisharmfultoourhealth.Kitty:Right.Treesalsohelpkeepsoilinplaceduringstorms.S:Theycanalsoprovidehomeforanimals.,Pairwork:Workinpairsandtalkabouttheactionsyoutaketoprotecttheenvironment.,A:Pollutionhasbecomeaseriousproblemallaroundtheworld.B:Yes,Iagree.Weshouldtryourbesttoprotecttheenvironment.A:Whatcanwedo?B:Wecan.A:Goodidea.B:Right.A:,usefulexpressions:reduceairpollutionbyridingbicyclestakeshortershowers/recyclewastesaveenergybyturningoffthelightsturnoffthetapwhenbrushingteethusebothsidesofpaperturnofflightswhenweleavearoomdontuseplasticbags.Takeourownbagstothesupermarket,Howgreenareyou?,Doyouhaveagooddailyhabittoprotecttheenvironment?Doyouoftendothefollowingthings?,reduceairpollutionbyridingbicyclestakeshortershowersrecyclewastesaveenergybyturningoffthelightsturnoffthetapwhenbrushingteethusebothsidesofpaperturnoffthelightswhenweleavearoomtakeourownbagstothesupermarket,AsurveyonstudentsdailyhabitTime:Survey:_DanielandSandymeet:_Place:_Numberofstudents:_Boys:_Girls:_Numberofquestions:_,TheClass1,Grade8studentswantstodoasurveytogetsomeideasfortheirpresentationonhowtogogreen.ListentotheconversationbetweenDanielandSandyandwritethecorrectinformationinthetablebelow.,4:00p.m.thisWednesday,3:40,Room201,50,25,25,6,Tip:Payattentiontothenumbersandtime.,DanielandSandyaretalkingabouttheresultsofthesurvey.Listencarefullyandthencompletethetablebelow.,Tip:Payattentiontothenumbers.e.g.50&15,35,20,40,15,41,9,Challenge:Canyouanswerthefollowingquestionsaccordingtothetape.,Howcanwesavewater?Whatcanwedosavetrees?WhatmayDanielandSandytalkaboutintheirpresentation?,Byturningoffthetapwhenbrushingteethandbytakingshowersforlessthan10minutesWecanusebothsidesofpaperTheymaytalkabouttakingtheirownbagstothesupermarket.,SandyiswritinganotetoMr.WeuaboutthesurveysheandDanielhavedone.Helphercompletethenote.UsePartsA1andA2tohelpyou.,DearMr.WuDanielandIdidasurveythis_.Studentswereaskedabouttheir_.Herearetheresultsofthesurvey.Only_studentsusuallytakeshowersforlessthan10minutes,but_studentsturnoffthetapwhenbrushingtheirteeth.Only15studentsrecycle_,but_studentsusebothsidesofthepaper.Itsgreatthatmoststudentsrememberto_thelights,whentheyleavearoom,butfewstudentstaketheirown_tothesupermarket.Thesurveyshowsthatstudentsaredoingalottohelpprotecttheenvironment,buttherearestillmanymorethingstheycando.Sandy,Wednesday,dailyhabits,20,35,emptybottles,40,turnoff,bags,Groupwork:Makeasurveyinyourgroup.Andchooseonestudenttogiveusareport.,e.g.Herearetheresultsofthesurvey._studentsusuallytakeshowersforlessthan10minutes._studentsturnoffthetapwhenbrushingtheirteeth._studentsrecycle_._studentsusebothsidesofthepaper.Itsgreatthatmoststudents_._Thesurv