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Unit3OurWorldWordlistp.26-271.revolution[revə'lu:ʃ(ə)n]n.革命；旋转；运行；循环2.exhaust[ɪg'zɔ:st]vt.排出；耗尽;n.排气；废气；排气装置3.fume[fju:m]vi.冒烟；发怒n.烟；愤怒，烦恼4.scheme[ski:m]n.计划；组合；诡计vi.搞阴谋；拟订计划5.freedom['fri:dəm]n.自由，自主；直率6.metro['metrəu]n.地铁；大都市；伦敦地下铁道7.Parisian[pə'rizjən]adj.巴黎的；巴黎人的n.巴黎人8.spokesman['spəuksmən]n.发言人；代言人[复数spokesmen]9.solve[sɔlv]vt.解决；解答10.pollution[pə'lu:ʃ(ə)n]n..污染11.pollute[pə'lu:t]vt.污染；玷污；败坏12.level['lev(ə)l]n.水平；标准；水平面13.reduce[rɪ'dju:s]vt.减少；降低14.atmosphere['ætməsfɪə]n.气氛；大气；空气15.global['gləʊb(ə)l]adj.全球的；总体的；球形的16.warming['wɔrmɪŋ]n.暖和；气温升高adj.让人感到暖和的17.dramatic[drə'mætɪk]adj.戏剧的；引人注目的；激动人心的18.climate['klaɪmət]n.气候；风气；思潮；风土19.partly['pɑ:tlɪ]adv.部分地；在一定程度上20.rainforest['ren'fɔrɪst]n.（热带）雨林21.disappear[dɪsə'pɪə]vi.消失；失踪；不复存在22.simple['sɪmp(ə)l]adj.简单的；单纯的；天真的23.unless[ʌn'les]conj.除非，如果不24.jam[dʒæm]n.果酱；拥挤；困境25.temperature['temp(ə)rətʃə]n.温度26.continue[kən'tɪnju:]vi.继续，延续；仍旧，连续27.rise[raɪz]vi.上升；增强；起立;n.上升；增加28.environment[ɪn'vaɪrənm(ə)nt]n.环境，外界29.recycle[ri:'saɪk(ə)l]vt.使再循环；使…重新利用30.recycling[,ri'saɪklɪŋ]n.（资源、垃圾的）回收利用31.rubbish['rʌbɪʃ]n.垃圾，废物;废话;adj.毫无价值的32.litter['lɪtə]n.垃圾;vi.乱扔废弃物33.waste[weɪst]n.浪费；废物；vt.浪费；消耗adj.废弃的;多余的*34.tonne[tʌn]n.[计量]公吨（1000公斤）35.power['paʊə]n.功率；力量；能力36.breathe[bri:ð]vi.呼吸；低;vt.呼吸；使喘息breath[breθ]n.呼吸，气息37.acre['eɪkə]n.土地，地产；英亩p.28-2938.might[maɪt]v.可以；或许（may的过去式）39.promise['prɒmɪs]n.许诺，允诺;vt.允诺，许诺(4b)40.definite['defɪnɪt]adj.一定的；确切的(4d)41.transport['trænspɔrt]n.运输；运输机(6a)42.entertainment[entə'teɪnm(ə)nt]n.娱乐；消遣；款待(6a)43.explain[ɪk'spleɪn]v.说明；解释(7g)p.30-3144.disease[dɪ'zi:z]n.病，[医]疾病45.Antarctica[æn'tɑ:ktɪkə]n.南极洲46.aim[eɪm]n.目的;目标;vt.目的在于47.polar['pəʊlə]adj.极地的；两极的*pole[pəʊl]n.杆；极点*theSouth/NorthPole南北极48.total['təʊt(ə)l]adj.全部的；完全的；整个的49.rainfall['reɪnfɔ:l]n.降雨；降雨量50.cycle['saɪk(ə)l]vi.循环；骑自行车n.循环；周期；自行车51.lane[leɪn]n.小巷；航线；车道52.cause[kɔːz]n.原因;事业;目标vt.引起;使遭受53.skateboarding['skeɪt,bɔ:dɪŋ]n.滑板运动54.rollerblading['rəuləbleidɪŋ]n.直排轮滑Phrases1.trafficproblems交通问题2.trafficjams交通堵塞3.exhaustfumes排出的废气4.travelacrossthecity穿越城市5.globalwarming全球变暖6.dramaticclimatechanges巨大的气候变化7.leadahealthierlife过更为健康的生活8.continuetodosth.继续做某事9.pickup捡起10.cutdown砍伐，砍到11.cleanup清理12.droplitter丢垃圾13.arrivein/atsp.到达某地14.pocketmoney零花钱15.becausedby由…引起16.haveproblemswithdoingsth.做某事有问题（困难）17.theaimof….的目的18.comparesth.withsth.与….做比较19.firstofall首先20.cyclelanes自行车道21.inmyopinion在我看来22.inaddition另外23.sportsfacilities运动设施TapescriptCD1T17Narrator:Water,water-butitisn'teverywhereSpeaker1:Water-it'seasyforus,isn'tit?It'severywhere.Whenwewantwater,it'sthere-wecookwithit,wewashwithit,andwhenwe'rethirstywedrinkit.Waterisvery,veryimportantoursurvivalonourplanet.Herearesomefactsthatperhapsyoudidn'tknowaboutwater.Speaker2:One-therearetwokindsofwateronplanetEarth:freshwaterandsaltwater.Wecanonlydrinkfreshwater.Saltwaterisn'tdrinkable.Speaker1:Two-ofallthefreshwaterontheplanet,peoplecanonlygettoanduseaboutonepercentofit.Onlyonepercent-theother99percentoffreshwaterisinplaceswecan'tgetto.Forexample...Speaker2:Three-about70percentofallthefreshwaterontheearthisinAntarctica,attheSouthPole,intheiceandicebergsthere.Lotsoffreshwater,butit'sfrozen,andveryfarawayfromwherewelive.Sowecan'tuseit.Speaker1:Four-mostofusgetourwaterathomeoutofatap.Sometimesthetapdripsbecauseit'soldorbecausesomeonehasn'tturneditoffproperly.Sowhat?Well,adrippingtapcansometimeswasteabout75litresofwatereveryday.Speaker2:Five-inwesternhomes-intheUSAforexample,orinEurope-onepersoncanuseasmuchas500litresofwateraday.AnAfricanfamilymightonlyuseabout20litresaday.Speaker1:Six-everyday,millionsofpeople-especiallywomenandchildren-walkverylongdistancestogetwater,fromriversorlakesorwells,andsometimesthewaterisdirtyandpolluted.Thismeanslotsofbadthings,forexample...Speaker2:Seven-manypeoplegetsickbecausetheydrinkdirtywater.88percentofalldiseasesintheworldarecausedbydrinkingdirtywater.survival[sə'vaivəl]n.1.幸存;残存[U]2.幸存者;残存物[C]drinkable英音：['driŋkəbl]adj.可以喝的properly英音：['prpəli]adv.恰当地;正确地disease英音：[di'zi:z]n.[C][U]病,疾病iceberg英音：['aisbə:g]n.[C]冰山;浮在海洋上的巨大冰块CD1T18Radiohost:WearetalkingnowtooneoftheorganisersofSafeWater,JoanneWilliams.MsWilliams,whatexactlyisSafeWater?Expert:SafeWaterisanon-profitorganisation.Wehelppeopleindevelopingcountriestogetsafedrinkingwaterandsanitation.Itisouraimtomakesuretheoneday,everyoneintheworldcangetsafewatertodrink.Radiohost:Whyisthattherearesuchproblemswithsafewater?Ifit'struethatpeoplecanonlygettoanduseonepercentofallthefreshwaterontheplanet.ThenI'msurealotoflistenerswillaskWhereistherest?Expert:That'saverygoodquestion.Firstofall,whenwetalkaboutfreshwaterwehavetorememberthat97.5percentoftheworld'swaterisslatwater,andonly2.5percentisfreshwater.Now,ofallthefreshwaterthatthereisintheworld,70percentisfrozeninthepolaricecaps.Radiohost:Well,butwhatabouttherest?Thatstillleavesus30percentofallthefreshwater,doesn'tit?Expert:Notreally.Mostofthe30percentisintheground-wewouldn'thavegrassorplantsortreesifthesoilwasn'tmoist.Thentherearealsohugeundergroundlakes,deepdownintheground,butwedon'thaveaccesstothem,becauseitwouldbetooexpensivetogettothem,s