Unit6Earthfirst背景导学你对地球日了解多少呢?赶紧看看下面的文章吧。EarthDayWeliveanddependonourplanet,Earth.Often,wedon’ttreatEarthwiththerespectthatweshould.EarthDayisaspecialdaysetasidetoremindusofhowimportantourplanetis.OnEarthDay,peopleareremindedtoenjoyEarth’sbeautyandtopreserveitforfuturegenerations.EarthDayiscelebratedaroundtheworldonApril22.ThefirstEarthDaytookplaceintheUnitedStatesin1970,anditbecameaninternationaleventin1990.OnEarthDay,peoplecelebrateEarthbygoingoutsidetoenjoynature.Somepeoplevolunteertodoaneighborhoodclean-up.OtherpeoplecelebrateEarthDaybydoingsomethingnicefornature,suchasbuildingabirdhouse,orteachingchildrenaboutrecycling.HowtoCelebrate:Treateverydaylikeit’sEarthDay!IfeveryonerespectednatureandworkedtokeeptheEearthcleanandhealthy,theplanetcouldbegintoheal.Herearesomeenvironmentallyfriendlytips:·Reusebagswhenyougoshopping.·Donateoldtoysandclothes.·Reducewaste—buyonlywhatyouneed,andorderlessfoodatrestaurants.·Turnofflightswhenyouleavearoom.·Unplugapplianceswhenyouaren’tusingthem.·Turnoffthewaterwhilebrushingyourteeth.·Plantagardenandgrowyourownvegetables.·Whenyou’rewritingordrawing,usebothsidesofthepaper.·Putyourrubbishinthebin.·Teachyourfamilyandfriendshowtoprotecttheenvironment.【译文】地球日我们生活并依附于我们的星球——地球。常常,人们并没有用我们应有的尊重去善待地球。地球日是个特殊的日子,用来提醒我们,我们的星球是多么的重要。在地球日这天,人们被提醒去享受地球的美丽并为了下一代保护这份美丽。全世界在4月22日庆祝地球日。第一个地球日发生在1970年的美国,此后在1990年成为一个国际性的节日。在地球日,人们外出欣赏大自然以庆祝节日。一些人自愿去做街区打扫。另一些人用做对自然好的一些事情来庆祝地球日,比如建造一个鸟屋或者教会孩子如何循环再利用。如何庆祝:把每一天都当成是地球日!如果每个人都尊重自然并为保护地球的清洁和健康努力,这个星球会开始被治愈。这里是一些环保小贴士:·当你去购物时重复利用购物袋。·捐赠旧的玩具和衣服。·减少浪费——只买你所需要的东西,在餐馆少点些食物。·当你离开房间时关灯。·当你不使用家用电器时,拔掉电源。·刷牙时关掉水龙头。·种植一个花园并种植属于你自己的蔬菜。·当你写字或画画时,用纸的两面。·把垃圾扔进垃圾箱里。·教你的家庭成员和朋友如何去保护环境。SectionⅠVideo&Listeningandspeaking文本填空根据教材听说文本填入适当的词句。【Activity1】VideoSaveLifeonEarth背景导学这是一则环保主题公益广告的视频,介绍了与环境相关的数据,直观地展现了人类面临的严峻形势。Earth,hometocountless①plantsandanimalsformillionsofyears,hasanuncertainfuture.Howmanyofusareawarethat...·130,000squarekilometresof②forestdisappeareveryyear·around25,000③treesarecutdowneachdayjusttomaketoiletpaper·eachday,around④150to200speciesofplantsandanimalsbecomeextinct—nearly1,000timesthenaturalrateofextinction·over1millionanimalsarekilledby⑤oceanpollutioneachyear·1billionpeopledon’thavecleandrinkingwater·aplasticbottlecantake⑥450yearstobreakdown·theicecapsaremorethan50%⑦thinnerthantheywere40yearsagoIfwedonotchangeourways,weareat⑧riskofruiningourplanetanddestroyingmanymoreplantsandanimals.Somedayinthefuture,theremaybe⑨notigers,nohorses,nobutterflies,nodolphinsandnowhales;norwilltherebeanytreesorflowers.Allofthesethingswillbe⑩gone.Andwewillbegone,too.Timeisrunningout.Ourplanetneedsourhelp.It’suptoustodecidetogetherwhathappensnext.【Activity2】ListeningandspeakingEnvironmentalproblemstobesolved背景导学布朗博士谈了城市空气污染——雾霾。1952年12月,伦敦遭遇了“大雾...
