一、七大核心要求1. 走势与比例的表达2. 数据连接类表达3. 时间连接类表达4. 连接结构表达5. 句式结构多样表达6. 词汇多样表达7. 写作要求的完成程度
二、七种关键名词1. 泛指一份数据图表：a data graph/chart/diagram/illustration/table2. 饼图：pie chart3. 柱形图：bar chart / histogram4. 趋势曲线图：line chart / curve diagram5. 表格图：table6. 流程图或过程图：flow chart / sequence diagram7. 程序图：processing / procedures diagram
三、十个基本句型1. The table/chart diagram/graph shows (that)2. According to the table/chart diagram/graph3. As (is) shown in the table/chart diagram/graph4. As can be seen from the table/chart/diagram/graph/figures,5. figures/statistics show (that)...6. It can be seen from the figures/statistics7. We can see from the figures/statistics8. It is clear from the figures/statistics9. It is apparent from the figures/statistics/table/chart/diagram/graph figures (that) ...10. The table/chart/diagram/graph shows/describes/illustrates how
四、二十个核心句型1. be slightly higher/lower than2. There is not a great deal difference/similarities between A and B3. to compare with/by contrast with/in comparison/4. to show a threefold increase in comparison with that in…5. A is …times as much as B6. while/whereas/7. be similar to8. to have something in common with B9. The difference/similarity between A and B lies in10. to be the same as/to enjoy the same…/be equal to that of/11. to be in marked/stark contrast with…12. to vary considerably between A and B13. to be different from/differ from14. to be inversely proportional to…15. be opposite to/adverse to 16. to be less than/more than17. …closely followed by…/…coming a close second/to be outmatched/surpassed/outweighed/exceeded by/18. to be overwhelmingly greater than19. to outnumber…/to be more than in the number of20. to remain ahead of/to be lag behind
五、重要趋势表达Ø 持续变化的data在不同情况下：增加：increase / raise / rise / go up ...减少：decrease / grow down / drop / fall ...波动：fluctuate / rebound / undulate / wave ...稳定：remain stable / stabilize / level off ...1. Verb + Adverb formThe number of XXX+increase/jump/rise/decrease/drop/fall/fluctuate...+insignificantly/significantly/slightly/suddenly/rapidly/dramatically/sharply/steeply/steadily/gradually/slowly...+from（第一时间）to（第二时间）/ between（第一时间）and（第二时间）2. Adjective + Noun formThere was a (very) sudden/rapid/dramatic/significant/sharp/steep/steady/gradual/slow/slight+increase/jump/rise/decrease/drop/fall/fluctuation（注意：上述很多词不可用于修饰fluctuation）+in the number of XXX from（第一时间）to（第二时间）/ between（第一时间）and（第二时间）Ø 描述稳定的data:The number of XXX remained steady/stable from（第一时间）to（第二时间）/ between（第一时间）and（第二时间）The number of XXX stayed the same from（第一时间）to（第二时间）/ between （第一时间）and（第二时间）There was little change / hardly any change / no change in the number of XXX from（第一时间）to（第二时间）/ between（第一时间）and（第二时间）Ø 描述不同状态的data:Noun form:steady drop / sharp rise peak / dramatic fall / sharp dropVerbal form:(to) bottom out / (to) reach the bottom / (to) increase gradually / (to) reach a plateau / (to) remain steadyØ 描述the highest point以及the lowest point:高点极值：The monthly profit / The figures / The situation ...+peaked in（月份/年）<准确时间点用at XXX> at XXX% / XXX（极点data）或者reached a peak / a high point at XXX% / XXX（极点data）Ø 低点极值：XXX bottomed out / reached+rock / the bottom / a low point或者hit a trough
六、雅思图表作文时间的表达1. in + 月/ 年2. between … and …3. from … to …4. over the period from … to …5. in the year between … and …6. in the 3 years spanning from 2001 through 20047. for the first 3 months8. for/ during/ over the next / following 6 months9. for/ during/ over / in a period of 4 months10. for/ during/ over / in a 4- month period11. over/ for / during the same period12. from then on / from this time/ point onwards / since then13. by the year of …14. after / before + 年/ 月
七、流程图要素Ø 描述流程的文章1. 首先说明是做什么工作的过程，目的是什么2. 准备工作3. 按时间/过程先后描述4. 结果5. 简单总结（可有可无）Ø 描述一个实物/器具的工作过程1. 实物是什么，做什么用的2. 基本结构3. 工作过程4. 简单总结Ø 流程图描述常用句子the following diagraph shows the structure of……the picture illustrates……it mainly consists of……it works as follows.it always involves following steps.the whole procedure can be divided into…stages.Ø 描述流程，过程的常用过渡性词语firstlysecondlythirdly/finallythe first step is tothe next step is tothe last step is tothe first stage involvesin the next stagein the following stagein the last stagefirst of allto begin withnextthenlaterat the same timesimultaneouslysubsequentlyconsequentlybefore thisduringafter thisin the course ofin order to/in order not toin order thatso as to/so as not to以上是对雅思图表作文各项核心表达的概括和总结，为考生们备考雅思图表作文提供了一个有效的备考大纲及备考内容。图表作文的考试难度并不大，成都朗阁雅思专家希望考生们能够有效备考，取得理想的成绩。