雅思口语基础lesson three.doc

SocialIssue
Pollution
airpollution
Whatarethepossiblefactorsleadingtothereductioninairqualityandwhataretheadverseeffectscausedbyit?

WordsandExpressions
asthma–哮喘；lungcancer--肺癌;
降解---bio-degrade:v；bio-degradable:adj
释放，排放:emit;giveoff—v;
carbondioxide–二氧化碳；
greenhouseeffect–温室效应；
globalwarming–全球变暖；
副作用：sideeffect;adverseeffect;negativeeffect;illeffect;
毒气：toxic/poisonousgases;
废气：wastegases;
尾气：emission;exhaust;
烟尘：smokeanddust;curvedust;
incineration:n(听力考试)
incinerate:v--------焚烧；焚化；
减排：reduceemission;
低碳：lowcarbon;
污染物：pollutant–n;
Weshouldtrytoavoidincinerationwhendisposingofvariousrubbish;instead,tobio-degradethewastewillbeundoubtedlyaveryfeasibleandreasonablemethod.

sampleanswer
Actually,thereareseveralreasonscontributingtothe….ofairquality.Tobeginwith,themost………oneisthatduetothefastpaceof…….,the…….from…….andfactorieshasseverely….air.Besides,whatIshouldaddhereisthatfrequent………causedby…..and…….canbringabouttheseriousairproblemsaswell.Undoubtedly,reductioninairqualitymaygiverisetovarious………tohumanbeing,suchas…….oreven………..

因素：reason;factor;element;trigger;indicator;
重要的：important;significant;
严重的:serious;rigorous;severe;
主要的:main;dominant;

waterpollution
Whatarethemainfactorsleadingtothecurrentwaterscarcityandpollution?Couldyourecommendeffectivesolutionsasopposedtotheproblem?

wordsandexpressions
publicity/propaganda:宣传；
government=authority:政府；
土地的腐蚀—soilerosion;
短缺---n:scarcity;shortage;rarity;defficiency;lack;
滥用，挥霍：lavish;squander;waste;abuse
化工废料：thechemicalwaste;
更好的替代品：betteralternative;bettersubstitute;
石油泄漏：thePetrolLeakage:
negligenceandcarelessness：玩忽职守，粗心大意;
Eg:Forexample,lastyear,theaccidentofpetrolleakageneartheDLBay,whichwascausedbyindividual’snegligenceandcarelessness,triggeredirreparableandinestimablelossintheseawaterquality.

Points:
Ingeneral,thecurrentwaterproblemmayhavesomethingtodowiththethreefollowingreasons.Tobeginwith,some……factoriesandindividualspourthe…….and….…directlyintorivers,lakesorsea,whichmayseriouslypollutethewaterandeve