18｜交通安全：保留共同分母
- A 类 Task 1
- 第 13/40 课
- 交通安全
- 建议学习 15–25分钟
本节题目
The chart below shows numbers of incidents and injuries per 100 million passenger miles travelled (PMT) by transportation type in 2002.
看图读范文 · 图文对照
看着图，读到会写
图与范文同时保留。两侧可分别滚动，关键词标出信息关系。
先看标题、图例、单位和时间，再找关键特征。点击图片可放大；写作时也能随时对照题图。
The bar chart compares the number of incidents and injuries for every 100 million passenger miles travelled on five different types of public transport in 2002.
It is clear that the most incidents and injuries took place on demand-response vehicles. By contrast, commuter rail services recorded by far the lowest figures.
A total of 225 incidents and 173 injuries, per 100 million passenger miles travelled, took place on demand-response transport services. These figures were nearly three times as high as those for the second highest category, bus services. There were 76 incidents and 66 people were injured on buses.
Rail services experienced fewer problems. The number of incidents on light rail trains equalled the figure recorded for buses, but there were significantly fewer injuries, at only 39. Heavy rail services saw lower numbers of such events than light rail services, but commuter rail passengers were even less likely to experience problems. In fact, only 20 incidents and 17 injuries occurred on commuter trains.
约 163 词 · 经本站整理的学习参考 · 不代表官方评分
先读熟，再遮住回忆。下方的“本题句型”帮助你把表达用到相似题目。
本题句型 · 看到这种关系，怎样起句
静态比较 · 先读本题句，再记表达关系。骨架中的省略号需要换成新题的信息，并调整时态与数量。
01 · 引言 · 交代对象与范围
看到题目，先说明图表展示什么。
可用骨架
The chart / table compares… in terms of…
本题原句
The bar chart compares the number of incidents and injuries for every 100 million passenger miles travelled on five different types of public transport in 2002.
对象、地点、时期与图表数量随题目变化。用熟悉表达准确改述即可。
02 · 概述 · 抓住整体关系
按统一客运里程计算，按需交通事故与受伤较多；通勤铁路最低；事故数不等于受伤人数。
可用骨架
Overall, A had the largest…, while B…
本题原句
It is clear that the most incidents and injuries took place on demand-response vehicles. By contrast, commuter rail services recorded by far the lowest figures.
比较同一指标的类别。静态信息不添加上升下降；先确认数字是数量、占比还是金额。
03 · 细节 · 用信息支撑概述
先写最高类别与公交，再比较几种铁路服务。
可用骨架
The figure for A was higher than that for B, at… and… respectively.
本题原句
A total of 225 incidents and 173 injuries, per 100 million passenger miles travelled, took place on demand-response transport services.
per 100 million passenger miles不能省略后把数据说成全年实际事故总数。
选择与组织 · 为什么这样写
先找关键特征
按统一客运里程计算，按需交通事故与受伤较多；通勤铁路最低；事故数不等于受伤人数。
怎样决定分组
先写最高类别与公交，再比较几种铁路服务。
为什么这样选择
同一分母使类别之间可比；最低铁路服务是概述的重要另一端。
语言与精度 · 本节重点
per 100 million passenger miles不能省略后把数据说成全年实际事故总数。
最后练一练 · 先组织，再写
读熟后，可以先遮住参考，回忆本节最有用的两三句。想动笔时再打开下方写作台，不需要首次学习就完成全文。
定点练习
纠正“There were 225 accidents in the whole year.”
写完后看一种参考处理
There were 225 incidents per 100 million passenger miles travelled.
检查它修正了什么意义或关系。可以使用不同措辞，但信息需要准确。
换题使用
本站自编文字数据 · 与上方原题分开
自编数据，均按每亿客运英里：公交事故70、伤者50；铁路事故20、伤者12；按需交通事故180、伤者130。写最高最低及一组比例比较。
先试一段，再视需要写全文。将新内容写在写作台的“迁移”中；原稿留在“初稿”，修订另存到“修改”。图表题需要重新识别特征，书信与议论文需要重新回应任务。
打开写作台 · 短练、全文与复盘
The chart below shows numbers of incidents and injuries per 100 million passenger miles travelled (PMT) by transportation type in 2002.
全文练习至少150词，约20分钟；短练可以先写两三句或一个段落。
把读到的表达，写成自己的答案
A 类 Task 1 · 全文练习至少 150 词 · 建议 20 分钟
留一个复盘：我能回忆哪组表达？换了内容后，哪一句还不熟？下一次先检查这个问题。