九年级英语全册重点知识口头表达专练Unit13Weretryingtosavetheearth人教新目标版.ppt

Unit13Weretryingtosavetheearth!,ThisinformationcomesfromYangXuehuiatShilimiddleschoolinXihe,Gansu.,有何问题？河水真是脏极了，甚至河底积满了废弃物，,渔夫钓不到任何鱼。是什么引起了这样的问题？人们一直往河里扔垃圾，,工厂正把废品往河里堆。应该如何解决这个问题？每个人应该伸出援助之手清洁河水。,河水很脏，甚至河底积满废弃物。但过去常常是那么的清洁。,是的，可是人们还在往河里扔垃圾。这个镇上的每个人应该尽一份力量来清洁河水。,空气严重被污染是因为最近公路上有来往不断的车辆。烧煤的工厂冒着浓浓的黑烟污染空气。,也有过多的不需要的东西和工业废品。人们每天在扔掉不需要的东西。,人们还在公共场所如公园乱扔垃圾。这就是把美丽场所往糟糕处在转变。,附近处的空气已经严重受到污染，我正担忧着。,是啊，我以前还能看到天空中的星星。问题是,哪儿的鱼翅羹很流行呢？在中国南方鱼翅羹很流行。每年被捕杀和交易的鲨鱼数量是七百万。,在过去的20年到30年某些品种的鲨鱼数量下降了多少？超过90%。,两个对付“猎翅”行为的环保组织是野生救援协会和世界自然基金会。,很多人并没有意识到当他们享受一碗鱼翅羹的时候他们正在杀死一整只鲨鱼。,鲨鱼在食物链的顶端，因此如果鲨鱼数量下降的话海洋生物系统将会面临危险。,很多人认为鲨鱼生命力强壮不会频临灭绝，可是人们想错了。,尽管没有任何科学研究支持这个观点，但是好多人以为鱼翅对健康有好处。,如果我们不采取措施阻止鱼翅的销售，鲨鱼有可能在某一天会消失。,我们正在想方设法拯救地球。河水过去是那么的洁净。空气严重受到污染。,没有任何科学研究表明鱼翅对健康有好处。我们应该帮助拯救鲨鱼。,你曾经参加过环保项目吗？参加过。去年我参加了清洁日活动。,人们认为它是这个城市曾经举办过的最大的清洁项目。有多少人参加呢？,我估计有一千多人来援助。那真是了不起啊！我想这个城市的每个人都在想办法尽力改善环境。,对，我们再没有时间等待了赶快行动吧！人们有可能认为必须干大事情才能拯救地球。,很多人忘记了拯救地球从小事开始，比如你出门时关掉灯可以节约用电；,还可以重复使用袋子代替塑料袋。我想有个好想法你现在必须买商店里的塑料袋。,不用开车上学或者上班，你应该骑车或步行。假如路途遥远，你可以坐公交。,所有这些小事累加起来变成改善环境的大事。咱们立刻行动吧！,我认为每个人都应该利用公共交通。我不赞同。对带孩子的父母亲来说利用公共交通实属不易。,停止乘坐小汽车。回收书籍和纸张。你出门时关灯。,你正在洗头发时关掉淋浴。不使用餐巾纸。,回收纸张的确容易。赞同。可是阻止乘坐小汽车不容易。,我们的确不应该使用餐巾纸，你知道吧。我知道。我去年阻止使用餐巾纸。,艾米海斯住在英国，她附近处的许多古老大楼被拆毁。,艾米附近处的所有废弃物和陈旧东西又被充分利用，就这样艾米建好了自己的房子。,艾米很有创意，她用岩石和旧玻璃瓶搭建了大门，她把旧木船铺在房顶上。,杰西卡王在小商店里出售她制作的包，还创立了网上推销包的交易。,尽管杰西卡的包是用旧布料做成的，但是她的包因可爱和实用而著名。,王涛不但制作出像动物或人那么大的金属艺术品而且制作出家里放的小块艺术品。,河水过去很洁净。我们已经看到了很多环境变化。,人们应该更多地乘坐公共交通。河流被工厂所污染。空气污染变得越来越严重。,各种污染如水污染、土地污染、噪音污染、空气污染等等。想出减少污染的方法来。,Whatwastheproblem?Theriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish.,Therewerenomorefishforfishermentocatch.Whatcausedtheproblem?,Peoplearethrowinglitterintotheriver.Factoriesareputtingrubbishintotheriver.,Howshouldtheproblembesolved?Everyoneshouldhelptocleanuptheriver.,Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.,Butitusedtobesoclean!Yes,butpeoplearethrowinglitterintotheriver.,Everyoneinthistownshouldplayapartincleaningitup!,Theairisbadlypollutedbecausetherearemorecarsontheroadthesedays.,Factoriesthatburncoalalsopollutetheairwithalotofblacksmoke.,Thereisalsotoomuchrubbishandwaste.Peoplearethrowingawaythingseveryday.,Peoplearealsolitteringinpublicplaceslikeparks.Thisisturningbeautifulplacesintouglyones.,Theairhasbecomereallypollutedaroundhere.Imgettingveryworried.,Yes,Iusedtobeabletoseestarsinthesky.Theproblemisthat,Wheresharkfinsoupispopular?ItisverypopularinsouthernChina.,Numberofsharkscaughtandtradedeveryyearisaround70million.,Howmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30years?,Over90percent.Twoenvironmentalgroupsagainst“finning”areWildAidandtheWWF.,Manypeopledonotrealizetheyarekillingawholesharkwhentheyenjoyabowlofsharkfinsoup.,Sharksareatthetopofthefoodchain,soiftheirnumbersdrop,theoceansecosystemwillbeindanger.Manythinkthatsharksaretoostrongtobeendangered,buttheyarewrong.Althoughtherearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.,Sharksmaydisappearonedayifwedonotdosomethingtostopthesaleofsharkfins.,Weretryingtosavetheearth.Theriverusedtobesoclean.Theairisbadlypolluted.,Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.,Weshouldhelpsavethesharks.Haveyouevertakenpartinanenvironmentalproject?,Yes,Ihave.IhelpedwithaClean-UpDaylastyear.Itwasconsideredthebiggestclean-upprojectthiscityhadeverhad.,Howmanypeopletookpart?Ithinkmorethan1,000peoplecametohelpout.,Thatsfantastic!Iguesseveryoneinthiscityistryingtoimprovetheenvironment.,Yes,wecantaffordtowaitanylongertotakeaction!,Peoplemaythinkthatbigthingshavetobedonetosavetheearth.,Manyforgetthatsavingtheearthbeginswithsmallthings.,Forexample,youshouldsaveelectricitybyturningoffthelightswhenyouleavearoom.,Youcanalsousereusablebagsinsteadofplasticbags.,Ithinkitsagreatideathatyounowhavetopayforplasticbagsinsomestores.,Andinsteadofdrivingtoschoolorwork,youshouldrideyourbikeorwalk.Ifitsfar,youcantakethebus.,Allthesesmallthingscanaddupandbecomebigthingsthatcanimprovetheenvironment.,Letstakeactionnow!Ithinkthateveryoneshouldusepublictransportation.,Idisagree.Itsdifficultforparentswithyoungchildrentousepublictransportation,Stopridingincars.Recyclebooksandpaper.Turnoffthelightswhenyouleavearoom.,Turnofftheshowerwhileyouarewashingyourhair.Dontusepapernapkins.,Recyclingpaperisreallyeasy.Iagree.Butitshardtostopridingincars.,Wereallyshouldntusepapernapkins,youknow.Iknow.Istoppedusingthemlastyear.,AmyHayeslivesintheUK.Manyoftheoldbuildingsinherneighborhoodwerepulleddown.,AlltherubbishandoldthingsinAmysneighborhoodwerethenputtogoodusewhenAmybuiltherhouse.,Amyisverycreative.Shebuiltherfrontgateoutofrocksandoldglassbottles.,Sheputanoldboatontopofherhouse.JessicaWongsellsherbagsinasmallshop,butshehasalsosetupanonlinebusinesstosellthem.ThoughJessicasbagsaremadefromoldclothes,herbagsareknownforbeingcuteanduseful.,WangTaonotonlymakeslargepiecesofmentalartthatlooklikeanimalsorhumans,butalsomakessmallerpiecesforthehome.Theriverusedtobesoclean.,Wehaveseenmanychangesintheenvironment.Peopleshouldtakepubl