雅思考试--饼状图-2015.4.29.pptx

1、,饼状图,WRITING TASK 1You should spend about 20 minutes on this task.The pie charts below show units of electricity production by fuel source in Australia and France in 1980 and 2000.Summarise the information by selecting and reporting the main features,and make comparisons where relevant.Write at leas

2、t 150 words.,The pie charts below show units of electricity production by fuel source in Australia and France in 1980 and 2000.,雅思作文的结构,Report/Essay Structure,Structure,Sandwich,三段式/three parts,Introduction Main Body Conclusion 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：To say what you are going to

3、say;Main Body:To say what you want to say;Conclusion:To say what you have said.,主语,Chart,graph,diagram曲线图：line graph柱状图：bar chart饼状图：pie chart表格图：table 流程图：flow chart/diagram地图图：map,表明，展示,Give information about,Provide data ofShow,indicate,describe,illustrate,present,display,demonstrate,exhibit,修饰动词

4、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,go up,climb,grow,mount猛增 Rocket,soar,jump,leap,shoot up,surg

5、e,surge up,upsurge,Examples,1：The number of government officials caught embezzling more than one million Yuan jumped by 19%over the year.(from BBC)2：The worlds largest diamond group,De Beers,announced that global diamond prices have soared by 20%this year.(from China Daily)3：Michael Jordans leaping

6、ability earned him the nickname“Air Jordan”.(from China Daily),Example 4：Housing prices in China accelerated in December,climbing 7.8 percent from the same month a year earlier and prompting a flurry of new government measures as Beijing attempts to slow soaring prices without derailing the economic

7、 recovery.Average prices in 70 large and medium-sized cities across the country rose 1.5 percent in just one month to the end of December,the National Development and Reform Commission said yesterday.(from CNN),下降，减少,下降 decrease,go down,decline,reduce,shrink to/by,drop,fall暴跌 plunge,plummet,slump,no

8、sedive/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Experience a steady increase,undergo a sharp decrease,形容词，副词同形：straight,maximum/minimum,first-hand/second-hand,full-time/part-time,YHA is an

9、equal opportunities employer;YHA welcomes applications from all regardless of ethnic origin,gender,sexual orientation,disability,religion/belief or age.,显著的/地,Great,greatly/large,largelyVast,vastly/marked,markedlyConsiderable,considerablySignificant,significantlyRemarkable,remarkablyNoticeable,notic

10、eablyConspicuous,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/maintain stable/

11、steady/unchanged/constant/the same/in a stationaryphaseStabilise,时间状语,From to Between and Starting from till,占百分之,Form,comprise,make up,take up,occupy,share,constitute,cover,represent,account forIn 1950,the urban population represented less than 13%of the total.It is now about 40%and is expected to

12、reach 60%by 2030.(from BBC),列举数据,1,Attributive Clause(定语从句)2,Preposition(介词):with,at,of 3,Present Participle(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：from to表示变化幅度：by,of表示静态数据：atThere was an increase _ 6%during last year.The number increased _ 6%during last year.The number of cars stood _ 20,000 in

13、 1990.,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,A is twice as many/much as bA shares some similarity with b A has something in common with bDouble,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,50200 The value of the house has increased fourfold(=it is now worth four times as much as before).increase _fold,