线图

基本句型

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• 句型一：X（描述对象：比例，数字等等）+ 动词 （上升或下降）+ 副词（平稳，急速）+ 数字变化（from 2 to 5）+时间（in 2019）
  The price of textbooks fell sharply in 2019.

• 句型二：There was a + 形容词（平稳，缓慢） + 名词（上升） + in X（描述对象）
  There was a sharp fall in the price of textbooks in 2019.

• 句型三：时间或者地点（the years between 1991 and 2009） + saw/witnessed a + 形容词(平稳，急速，缓慢) + 名词（上升，下降）+ 描述对象
  The year 2019 witnessed a dramatic drop in the price of textbooks.

• 句型四：A + 形容词 + 名词 + took place/ occurred.
  A sharp fall in the price of textbooks took place in 2019.

• 句型五：X（描述对象）+ showed/ took +an upward/ downward trend+时间
  The price of textbooks showed a downward trend in 2019.

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结构

趋势不同：
分段4断，复述数题目， 上升的分一段，下降的分一段，最后总结
趋势相同：
复述题目，最高的分一段，趋势相同的分一段，
最低的分一段，或者总结

描述数据

先整体后特别

1. 结婚人数从1970年的250万减少到2000年的200万，虽然在前十年保持稳定。
   The number of marriages decreased from 2.5 million in 1970 to 2 million in 2000, although it remained stable in the first decade

趋势不同分开描述（and then/after which）

1. 结婚人数在1970年和1980年稳定在250万，然后在2000年下降到200万。
   The number of marriages remained stable at 2.5 million in 1970 and 1980, and then it declined to 2 million in 2000.
   The number of marriages remained stable at 2.5 million in 1970 and 1980, after which it declined to 2 million in 2000.

趋势相反

• there be +an opposite trend + in +描述词

1. 资源的数字则呈现相反的趋势，1991年稳步上升到20%，然后在2001年迅速下降到9%。
   There was an opposite trend in the figure for resources, rising steadily to 20% in 1991 and then declining rapidly to 9% in 2001.

• 时间或地点+undergo two contrasting trends+时间
  Sweden underwent two contrasting trends over the period in question.

时间
from ...to ..../between...to.../by/at the beginning/at the end of/ in the first decade/over/

例句

1. 该折线图展示了四个国家在过去四十年(1967-2007年)中人均二氧化碳排放量的变化。
   The line chart demonstrates the changes in CO2 emissions per person in four countires() from 1967 to 2007.

2. 意大利从4开始，30年来一直上升到7.6，然后在2007年持平
   Italy start off at 4 in 1995, kept rising to 7.6 over 30 years, and then levelled off at 7.6 till 2007.

3. 在这50年间，汽油、石油和煤的使用量戏剧性地增加了大约15千万亿单位，而其他四种能源的使用量则略有增加，增加的单位不超过5千万亿单位。
   Uses of petrol, oil and coal see a dramatic increase of about 15 quadrillion unites during the fifty years, while the other four energies rise slightly with the unites of no more than five quadrillion.

4. 具体来说，1980年最高的消费比例是汽油和石油，约为36千万亿单位，尽管在前15年直到1995年左右经历了一些波动。
   To be specific, in 1980 the highest proportion of consumption was occupied by petrol and oil at approximately 36 quadrillion unites, though it experienced some fluctuations during first 15 years until around 1995.

练习

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The line chart illustrates the emissions of average carbon dioxide of each person in four different countries(United Kindom, Sweden, Italy, Portugal) from 1967 to 2007.

Over all, United Kindom and Italy saw a down trend in the emission of carbon dioxide from 1967 to 2007. There was a steady fall from about 11 to 9 for 30years in United Kidom.But Sweden occurred two contrasting trends.From 1967 to 1977,It increased rapidly from 9 to 11, and then it drop dramatically to 5.5 over the next 20 years.

In contrast, The number of CO2 emissions in Itatly and Portugal rose steady from 1967 to 2007. Italy started at 4 and kept rising for 30 years to 7.6, and then levelled out still 2007.Portugal had an extremely similar trend with Itatly, increasing from approximately 1 to 5 by the end of 2007.

In conclusion, although there were different changes in four counties,the emissions of CO2 did not increase at all during the 40 years.

1.出现两个相反的趋势occurred two contrasting trends
2.与此相反 on the contrary /in contrast
3.从。。。开始 然后上升/下降， started at 4 and kept increasing/dropping for 30 years to 7.6
4.持平 levelled off still 2007
5.有着相同的趋势 A had an extremely similar trend with B
6.。。。的变化 the changes in co2 emissions
7.有波动 though it experienced some fluctuations during the first 15years
8.在所有的中间 remain the middle level on the whole
9.the amount of/the number of
10.在...之间波动 it fluctuated around 60 million tonnes from 1980 to 2000