好词好句
从修改过程中提炼的数据描述高级词汇和优秀表达，按表达类型分类
释义：illustrate（图示、说明）— 比 show 更正式，是 Task 1 高分范文中最常用的题目改述动词。
上下文：The line graph illustrates the average carbon dioxide (CO2) emitted per person in four European countries...
释义：exhibited（展现、表现出）— 比 showed 更学术正式，是描述数据趋势的高级动词。
上下文：Sweden also exhibited a downward trend after reaching a peak in 1977.
释义：declined gradually（逐渐下降）— declined 比 decreased 更正式，动词+副词的语序更自然。
上下文：...although its figure declined gradually.
释义：rose considerably（大幅上升）— rose 比 went up 更正式，considerably 比 significantly 在非统计语境下更准确。
上下文：Portugal also rose considerably, from about 1 tonne to just above 5 tonnes in 2007.
释义：approximately（大约）— 比 about 更正式，是学术写作中引用数据的标准用词。
上下文：...at approximately 11 metric tonnes per person.
释义：使用数据描述专用动词 recorded + 名词 figures，比 "were much lower" 更正式。
上下文：...Italy and Portugal recorded significantly lower figures, at about 4 tonnes and 1 tonne respectively.
释义：现在分词短语，表示"达到峰值"。比 which was its highest point 定语从句更简洁，peak 是描述最高点的标准用词。
上下文：Sweden rose to just over 10 tonnes, reaching its peak, while...
释义：A decade later（十年后）— 比 Ten years later 更简练正式，是时间跨度描述的高级表达。
上下文：A decade later, Sweden rose to just over 10 tonnes...
释义：throughout the entire period（在整个时期内）— 比 during the whole period 更正式地道，是概述段常用表达。
上下文：...the UK produced the highest amount of CO2 throughout the entire period...
释义：明确写出时间跨度，增加信息量，比泛泛的 over the period 更具体。
上下文：...Italy increased steadily from 4 to nearly 8 tonnes over the 40-year period.
释义：gradually（逐渐地）— 比 slowly 更正式，是描述缓慢变化趋势的标准副词。
上下文：The UK also dropped, but more gradually, finishing at about 8.5 tonnes.
句式：...experienced steady increases, with Italy becoming the second largest emitter by the end of the period.
说明："with + 名词 + 分词" 结构可以在不增加新从句的情况下补充信息，使句子更紧凑、更高级。适合在 Overview 段末尾补充细节。
句式：The line graph illustrates ... between 1967 and 2007.
说明：用 between...and 替换题目中的 from...to，是最基本但必须掌握的改述技巧，避免照抄原题被扣分。