开头段：图表总述
- As is vividly illustrated in the chart, ... （如图所示，……）
- The bar chart / pie chart / line graph / table above clearly reflects the changes in ... from 2020 to 2024.
- According to the statistics provided, there was a marked increase/decline in ...
注意：开头段 = 图表内容一句总述 + 最显著特征一句，不要抄题目原句。
描述段：数据与变化
上升类动词：increase, rise, grow, climb, surge, soar（急升）
下降类动词：decrease, decline, drop, fall, shrink, plummet（暴跌）
程度副词：sharply / dramatically（大幅），steadily / gradually（平稳），slightly / marginally（略微）
常用句型：
- The number of ... increased sharply from 25% in 2020 to 40% in 2024.
- ..., by contrast, witnessed a steady decline of 10 percentage points over the same period.
- ... accounted for the largest proportion, at 45%, followed by ... at 30%.
- The figure for ... remained stable at around one third.
倍数与占比：double（翻一番）, triple（增至三倍）, account for（占比）, make up（构成）, one out of five（五分之一）
分析段：原因与影响
- A multitude of factors contribute to this trend, among which ... plays a dominant role.
- The primary reason lies in the fact that ...
- Another driving force behind this phenomenon is ...
- This change can be partly attributed to ...
- As a consequence, ... / This, in turn, leads to ...
列举衔接：To begin with, ... / What is more, ... / Last but not least, ...
结尾段：趋势预测与建议
- Taking all these factors into consideration, we may safely predict that this trend will continue in the years to come.
- It is advisable for ... to take effective measures to ...
- There is every reason to believe that ...
高频提醒
- 图表作文时态：描述过去年份数据用一般过去时，描述现状与预测用现在时/将来时；
- 数据不必全列，选最大值、最小值、变化最剧烈的两三组即可；
- 每类功能句考前固定 1~2 个自己最顺手的版本，避免临场现想。