雅思考试--饼状图-2015.4.29.pptx

雅思考试--饼状图-2015.4.29.pptx

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,饼状图,WRITINGTASK1Youshouldspendabout20minutesonthistask.ThepiechartsbelowshowunitsofelectricityproductionbyfuelsourceinAustraliaandFrancein1980and2000.Summarisetheinformationbyselectingandreportingthemainfeatures,andmakecomparisonswhererelevant.Writeatleast150words.,ThepiechartsbelowshowunitsofelectricityproductionbyfuelsourceinAustraliaandFrancein1980and2000.,雅思作文的结构,Report/EssayStructure,Structure,Sandwich,三段式/threeparts,IntroductionMainBodyConclusion三段式结构内部紧密相连，构成统一的整体,各段之间的逻辑关系,Introduction：

Tosaywhatyouaregoingtosay;MainBody:

Tosaywhatyouwanttosay;Conclusion:

Tosaywhatyouhavesaid.,主语,Chart,graph,diagram曲线图：

linegraph柱状图：

barchart饼状图：

piechart表格图：

table流程图：

flowchart/diagram地图图：

map,表明，展示,Giveinformationabout,ProvidedataofShow,indicate,describe,illustrate,present,display,demonstrate,exhibit,修饰动词的常用副词,Clearly,apparently,obviously,vividlySpecially,particularlyRelatively,Comparatively,雅思图表作文数据挖掘的4个步骤,过程:

由浅入深，从感性认识到理性认识步骤：

去伪存真：

默认所有数据真实可信去粗取精:

关键数据（最大值，最小值）由此及彼:

数据对比（近似值similarity，关联值difference）由表及里：

分组，总结（总数或者平均值）,上升，增加,上升Increase,rise,goup,climb,grow,mount猛增Rocket,soar,jump,leap,shootup,surge,surgeup,upsurge,Examples,1：

ThenumberofgovernmentofficialscaughtembezzlingmorethanonemillionYuanjumpedby19%overtheyear.（fromBBC）2：

Theworldslargestdiamondgroup,DeBeers,announcedthatglobaldiamondpriceshavesoaredby20%thisyear.（fromChinaDaily）3：

MichaelJordansleapingabilityearnedhimthenickname“AirJordan”.（fromChinaDaily）,Example4：

HousingpricesinChinaacceleratedinDecember,climbing7.8percentfromthesamemonthayearearlierandpromptingaflurryofnewgovernmentmeasuresasBeijingattemptstoslowsoaringpriceswithoutderailingtheeconomicrecovery.Averagepricesin70largeandmedium-sizedcitiesacrossthecountryrose1.5percentinjustonemonthtotheendofDecember,theNationalDevelopmentandReformCommissionsaidyesterday.（fromCNN）,下降，减少,下降decrease,godown,decline,reduce,shrinkto/by,drop,fall暴跌plunge,plummet,slump,nosedive/dive,急剧的/地,Rapid,rapidly/fast,fastQuick,quickly/sharp,sharplySteep,steeply/swift,swiftlyDramatic,dramaticallyExponential,exponentially,词性活用,名词替换动词，多样性表达Experienceasteadyincrease,undergoasharpdecrease,形容词，副词同形：

straight,maximum/minimum,first-hand/second-hand,full-time/part-time,YHAisanequalopportunitiesemployer;YHAwelcomesapplicationsfromallregardlessofethnicorigin,gender,sexualorientation,disability,religion/belieforage.,显著的/地,Great,greatly/large,largelyVast,vastly/marked,markedlyConsiderable,considerablySignificant,significantlyRemarkable,remarkablyNoticeable,noticeablyConspicuous,conspicuouslyEnormous,enormouslySubstantial,substantially,逐渐，稳步的/地,Stable,stablySteady,steadilyModerate,moderatelyGradual,graduallySmooth,smoothlyMild,mildly,轻微，缓慢的/地,Slight,slightlySlow,slowlyMarginal,marginallyMinute,minutelyMinimal,minimally,保持稳定,Keep/remain/stay/maintainstable/steady/unchanged/constant/thesame/inastationaryphaseStabilise,时间状语,FromtoBetweenandStartingfromtill,占百分之,Form,comprise,makeup,takeup,occupy,share,constitute,cover,represent,accountforIn1950,theurbanpopulationrepresentedlessthan13%ofthetotal.Itisnowabout40%andisexpectedtoreach60%by2030.（fromBBC）,列举数据,1,AttributiveClause（定语从句）2,Preposition（介词）:

with,at,of3,PresentParticiple（现在分词）4,Parenthesis（括号）,列举数据具体词汇及练习,表示动态变化：

fromto表示变化幅度：

by,of表示静态数据：

atTherewasanincrease_6%duringlastyear.Thenumberincreased_6%duringlastyear.Thenumberofcarsstood_20,000in1990.,比较的3种方法,1.比较级，最高级2.做减法，做除法Exceed,surpass,outnumber,数据比较,Aistwiceasmany/muchasbAsharessomesimilaritywithbAhassomethingincommonwithbDouble,triple,quadruple（v,n,adj）原来的2倍-double,50100原来的3倍-triple,50150原来的4倍-quadruple,50200Thevalueofthehousehasincreasedfourfold（=itisnowworthfourtimesasmuchasbefore）.increase_fold,