雅思培训(line)课件.ppt

1、雅思考试学术类雅思考试学术类Task1各种题型分析各种题型分析1.曲线图曲线图 language of change rose sharply went up slowly a moderate increase with some drastic fluctuations a moderate increase with some slight fluctuations a moderate decrease with a fluctuation stayed at 15% with some fluctuations remained stable at 20% fell sharply

2、from 25% during the early few years between 1960 and 1970 and it bottomed out at 10% until 1980 soared from 10% during the early few years between 1960 and 1970 and it leveled off at 25% until 19801.曲线图曲线图A. 单根曲线图单根曲线图(1) 特点特点: 曲线变化比较复杂曲线变化比较复杂 (2)解题要点：解题要点： 分阶段进行特征描述；分阶段进行特征描述； 必须描写起始点，极值点必须描写起始点，极

3、值点 The graph below shows the number of people at a New York underground station from 6 a.m. to 22 p.m. verb + adverb a/an + adjective + noun Example: 6 a.m. 8 a.m. increase dramatically / a dramatic rise Important sentences (6:00-8:00)The number of people increases dramatically from approximately 10

4、0 at 6:00 to 400 at 8:00.There is a dramatic increase in the number of people from approximately 100 at 6:00 to 400 at 8:00. Important sentences (6:00-8:00)The time from 6:00 to 8:00 witnesses a considerable increase in the number of people from about 100 to 400.The subway station witnesses a sharp

5、increase in the number of people from approximately 100 at 6:00 to 450 at 8:00. Important sentences (6:00-8:00)A noticeable increase can be found in the number of people from approximately 100 at 6:00 to 400 at 8:00.The trend is a significant increase in the number of people from approximately 100 a

6、t 6:00 to 400 at 8:00. Verbs: 增加：增加：increase, ascend, go up, rise, climb, mount, surge, soar, 减少：减少：decrease, descend, go down, decline, reduce, fall, drop, plunge, slump, plummet Verbs: 波动：波动：fluctuate, rebound undulate, recover稳定：稳定： maintain/remain/keep the same(no change), level off/out ,reach a

7、 plateau (at) B. B. 多根曲线图多根曲线图 (1) (1) 特点特点: : 各个曲线之间的变化差别很大各个曲线之间的变化差别很大, , 而单就某而单就某根曲线来说变化并不复杂根曲线来说变化并不复杂. . (2) (2) 解题要点解题要点: : 注意注意关键点关键点的把握；的把握； 在对单根曲线进行描述之后在对单根曲线进行描述之后, ,要对曲线要对曲线之间的差异进行之间的差异进行对比对比； 根据曲线总体趋势进行根据曲线总体趋势进行分段分段； 对这些曲线的总体变化进行对这些曲线的总体变化进行比较比较. .Double lines u Describe two lines resp

8、ectivelyu Compare or contrast two lines Double lines Double lines- Compare or Contrast Double lines- Compare or Contrast However, the number of overseas visitors traveling to the UK was approximately half the number of UK residents traveling abroad.Three Lines：uGroup and describe two similar lines u

9、Describe the rest lineAnalysis 开头段：开头段：u1. 三条曲线均呈上升趋势； 主体段：主体段：u2. 有两条曲线(美国和瑞典)在1940-1990年内呈相同趋势且紧挨；1990年后，变化趋势不同；u3. 第三条曲线（日本）整体变化趋势不同。USA & Sweden 2. From 1940 to 1990, the proportions of ageing population in the USA and Sweden were similar and followed the same trend. USA & Sweden2. In 1940，the f

10、igures stood at 9% in the USA and 7% in Sweden, and grew to 15% and 14 % respectively in 1980, before falling to 14% and 13% each in 1990. USA & Sweden2. After a leveling-off , the percentage of elderly people in the USA is predicted to climb to about 23% in 2040. However，in Sweden, in spite of some

11、 fluctuations, there will be increasingly more people aged 65 and over until 2040, with the percentage of 25%. Japan3. The situation in Japan differs significantly. .u with a fall in the percentage of people aged 65 between 1940 (5%) and 1960(3%).u The percentage remained steady until 1985, then it

12、began to climb.u The rise is projected to continue until around 2030, when the proportion is forecasted to rise dramatically to 25%, with a less dramatic rise to 27% in 2040.Four lines： group and describe the lines according to the trendAnalysis 原文：The graph below shows the consumption of fish and s

13、ome different kinds of meat in a European country between 1979 and 2004. 开头段（开头段（Paraphrase） The graph illustrates changes in the amounts of beef, lamb, chicken and fish consumed in a particular European country between 1979 and 2004. Analysis 起点：起点： In 1979 beef was by far the most popular of these

14、 foods, with about 225 grams consumed per person per week. Lamb and chicken were eaten in similar quantities (around 150 grams), while much less fish was consumed (just over 50 grams).Analysis Beef and Lamb（下降）（下降） However, during this 25-year period the consumption of beef and lamb fell dramaticall

15、y to approximately 100 grams and 55 grams respectively. Analysis Fish（微下降，几乎持平）（微下降，几乎持平） The consumption of fish also declined, but much less significantly to just below 50 grams. So although it remained the least popular food, consumption levels were the most stable. Analysis Chicken（上升）（上升） The c

16、onsumption of chicken, on the other hand, showed an upward trend, overtaking that of lamb in 1980 and that of beef in 1989. By 2004 it had soared to almost 250 grams per person per week. overtake (exceed/outweigh/outnumber/more than)Analysis 总趋势：总趋势： Overall, the graph shows how the consumption of chicken increased dramatically while the popularity of these other foods decreased over the period.