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1、Welcometo IELTSWRITING段落句数作用开头段1~2句改写原题主体段11+X句每个主体段第一句总体概括X句具体介绍数字……主体段N结尾段1~2句第一句介绍总数第二句话做结论双线图特点：两线变化趋势类似；两线之间变化差别大，可能整体趋势或某段趋势相反。Thegraphbelowshowsradioandtelevisionaudiencesthroughoutthedayin1992.双线图1.开头段：与写一条曲线方法相同，即改写题目Thegraphbelowshowsradioandtelevisionaudiencesthroughoutthedayin1992.Theli
2、negraphdescribesthepercentageofradiolistenersandtelevisionviewersintheUKthroughoutthedayfromOctobertoDecemberin1992.Tips：同义词替换；完整补充图表信息双线图2.主体段Step1：趋势概述（相同或相反）+交点交待Ingeneral,AandBshow/share/followthesame/similar(upward/downward)trend.Ingeneral,AandBshowdifferenttrends.Asurpasses/exceedsBafter...注意
3、：与surpasses/exceeds连用时，主语一定是具有数据概念的名词，如number,proportion,percentage,population…双线图2.主体段Step1：趋势概述（相同或相反）+交点交待Ingeneral,thetwolinesshowdifferenttrends.Thefigurerrevealsthatbefore1pmthereweremoreradioaudiences,whileafter1pmmorepeopleturnedtotelevision.双线图Step2.两线各成一段，各段同单线写法。注意段间过渡句过渡句：Similarly,…Lik
4、ewise,…Incomparison,…By/Incontrast,…Ontheotherhand,…Turningto…Asfor...Whenitcomesto...,however,thepicturewasdifferent.However,thestorywasdifferentin...双线图Step2.两线各成一段，各段同单线写法。注意段间过渡句Thedataindicatedthatradiolistenersincreasedsubstantiallybefore8am,whenthepercentagereachedtoapeakof27%.Then,itdecline
5、dsteadilyinthefollowing20hours,bottomingoutat2%at4amofthenextday.Theperiodfrom4amto6amsawanotherslightriseto4%inradiolisteners.双线图Step2.两线各成一段，各段同单线写法。注意段间过渡句AsforTVviewers,theperiodfrom6amto8:30amsawaslightincrease,whentherewasalevelingoffat8%until10am.Fromthenon,itgenerallymaintainedasharpupwardt
6、renduntilthepeak(45%)wasreachedat8pm,inspiteofsomesmallfluctuations.However,therewasaslumpthereafterinthepercentage,whichreachedthebottomof3%at3am,whentherewasaslightriseafterwards.双线图3.结尾段：总结两条曲线的共同点和不同点Thegeneraltrendwasthatthepercentageofbothradioandtelevisionaudiencesrosefirstandthendecreased,w
7、hilethetotalnumberofthelatterwasbiggerthantheformer.Inaddition,theprimetimeforradioandtelevisionwas8amand8pmrespectively.Tips：总结趋势：相似与不同多线图Thegraphbelowshowstheproportionofthepopulationaged65andoverbetween1
