1、單元8 a綠色世界、歡迎來到單元、did you know3t o6billiontreesarecutdowneachyear。 海上游戲設計的樹？ 視頻中的哪些是我？ 挖掘(洞、溝等)，serious adj .認真認真，breadfruit n .面包果實，reducevt . e.g.wecanreduceairpollutionbyridingbicycle .開關，e.g.wecansaveenergybyturningoffthelight回收， 由e.g.wecanprotecttheenvironmentbyrecyclingthings .wise adj .智慧而充滿智慧

2、的e.g.theprofessorisverror、cause vt .提供的e.g.humanpollu 收聽和安全，1.whydoeshobowanttoplantmoretrees？ 2 .道德編輯到何時何地？ 3 .魔獸世界到設備？ 是，是，是，是，是，是，是，是，是，是，是，是，是，是，是，是，是，是，是，是。 grade8studentsaretalkingaboutwaystoliveagreenlife.lookatthepicturesbelowandmatchthemwiththecorrectsentences . a綠色生命周期a.wecanreduceairpollu

3、tionbyridingbicycles .b.wecansavewaterbytakingshortershowers . c.wecansaveenergybyturningoffthelightswhenweleavearoom .d.wecanprotecttheenvironmentbyrecyclingwaste . weshouldtryourbesttoprotecttheenvironment.whatelsecanwedo 、turnoffcomputerswhenarenotusingthem.usebothsidesofapieceofpaper.sende-cards

4、insteadofpapercards.buyproductstts in.reduce wa mrwuisaskingthestudentshowtoliveagreenlife.readtheconversationandanswerthefollowingquestions .herfatherusedtodrivehertoschool 3.whatdoesmilliethinksheshoulddotoliveagreenlife。They take the underground now .shethinksitswiseforpeopletochoosepublictransportandridebicycles .4.whataboutdanicles5. what about s 、hethinkswecantakeshortershowerstosavewater .shethinksweshouldremembertoturnoffthelightswhenweleavearoom .workingroupsandtalka b 3360 ithink.c 3360 ithink.