在雅思写作中，图标题的写法需要简洁明了，能够准确概括图表的主题和内容。以下是一些常用的句式和表达方式，供考生参考：

总体描述

The graph/table/chart illustrates... [图表/表格/图示展示了……]

The bar chart compares... in terms of... [柱状图比较了……的……]

The pie chart provides information about... [饼状图提供了关于……的信息]

具体描述

The highest point in the chart is... [图表中的最高点为……]

The lowest point in the chart is... [图表中的最低点为……]

The trend of the chart is... [图表的趋势是……]

The data shows a steady increase/decrease/fluctuation over time. [数据显示了随时间的稳定增加/减少/波动。]

比较描述

There is a significant difference of... between... [……之间在……上有显著差异。]

The percentage of... is the highest/lowest among the five countries. [在五个国家中，……的百分比是最高/最低的。]

结论性描述

From the chart, it can be inferred that... [从图表中可以推断出……]

It is clear that... [很明显……]

示例

假设图表展示的是2002年五个不同国家的消费者在不同项目上的支出百分比，图标题可以写作为：

Example 1:

"The pie chart provides information about consumer spending on different items in five different countries in 2002."

Example 2:

"The bar chart compares the percentage of consumer spending on various items across five countries in 2002."

Example 3:

"The graph illustrates the trends in consumer expenditure on different products among five nations during 2002."

通过这些句式和表达方式，可以有效地撰写出清晰、准确的图标题，帮助读者快速理解图表的主题和内容。