Skimming 略读
进阶略读 = 快、找主旨。
- 略读目的是用最快速度掌握主旨，不是找小节。
- 每段主题句（多数在段首）加起来就是全文大意。
- 标题、副标题和首尾段是主旨的最大提示。
文体小知识：Get the main idea fast.
§课文原文 Passage
1The Hong Kong-Zhuhai-Macao Bridge is the longest sea-crossing bridge in the world. It stretches 55 kilometres across the Pearl River Delta and links Hong Kong, Zhuhai and Macao. The bridge opened in October 2018 after nine years of construction. Before it was built, travellers had to take a ferry, and the journey took about four hours. Now the same journey takes only 45 minutes by car.
2The bridge cost over 100 billion dollars, making it one of the most expensive engineering projects in modern history. Its designers used huge steel sections and artificial islands to protect the marine environment. Yet some people still worry about the impact on Chinese white dolphins, whose home lies near the bridge route. Others point out that traffic has been lower than expected, so the bridge may take much longer to pay back its cost.
3For tourists, the bridge has become an attraction in itself. Visitor numbers increase during long holidays, when families drive to Zhuhai for seafood and shopping. For students, the bridge is a popular topic in projects about transport and city planning. When we write about it, the topic sentence of each paragraph should state one clear main idea.
4The HZMB shows what happens when engineers think across borders. It also reminds us that every great project has two sides: amazing convenience and real costs. If you skim the news about the bridge, the headline and subheadings alone tell you the main idea. The bridge connects cities, saves time and raises important questions.
§逐句中文翻译 Sentence-by-sentence translation
The Hong Kong-Zhuhai-Macao Bridge is the longest sea-crossing bridge in the world.
港珠澳大桥是全球最长的跨海大桥。
It stretches 55 kilometres across the Pearl River Delta and links Hong Kong, Zhuhai and Macao.
它全长 55 公里，横跨珠江三角洲，连接香港、珠海和澳门。
The bridge opened in October 2018 after nine years of construction.
大桥在 2018 年 10 月开通，之前用了九年时间兴建。
Before it was built, travellers had to take a ferry, and the journey took about four hours.
未有这条桥之前，旅客要乘搭渡轮，航程大约四小时。
Now the same journey takes only 45 minutes by car.
现在同样的路程，驾车只需要 45 分钟。
The bridge cost over 100 billion dollars, making it one of the most expensive engineering projects in modern history.
大桥造价超过一千亿，是现代史上最贵的工程项目之一。
Its designers used huge steel sections and artificial islands to protect the marine environment.
设计师用了巨型钢结构和人工岛，去保护海洋环境。
Yet some people still worry about the impact on Chinese white dolphins, whose home lies near the bridge route.
不过，仍然有人担心大桥对中华白海豚的影响，因为牠们的栖息地就在大桥路线附近。
Others point out that traffic has been lower than expected, so the bridge may take much longer to pay back its cost.
亦有人指出，实际车流比预期低，所以大桥可能要更长时间才回本。
For tourists, the bridge has become an attraction in itself.
对游客来说，大桥本身就是一个景点。
Visitor numbers increase during long holidays, when families drive to Zhuhai for seafood and shopping.
长假期间，游客人数会上升，许多家庭会驾车去珠海吃海鲜、购物。
For students, the bridge is a popular topic in projects about transport and city planning.
对学生来说，大桥是交通与城市规划专题的热门题目。
When we write about it, the topic sentence of each paragraph should state one clear main idea.
我们写这类文章时，每段的主题句应该讲清楚一个中心思想。
The HZMB shows what happens when engineers think across borders.
港珠澳大桥告诉我们，当工程师跨地域思考时，可以做到些什么。
It also reminds us that every great project has two sides: amazing convenience and real costs.
它亦提醒我们，每一项伟大工程都有两面：惊人的便利和真实的代价。
If you skim the news about the bridge, the headline and subheadings alone tell you the main idea.
如果你略读关于这条桥的新闻，单是标题与小标题就已经讲出主旨。
The bridge connects cities, saves time and raises important questions.
大桥连接城市、节省时间，同时带出重要的问题。
1重点摘要 Summary
略读 = 快、找主旨。
2生字卡 Vocabulary
略读。
主旨。
段落。
主题句。
标题。
副标题。
关键字。
忽略。
3逐步讲解 Steps
- 读标题略读的第一步是读标题与首句，考点在于用最短时间掌握主题与角度。方法是以标题预测内容方向，再以首句验证。以本课《港珠澳大桥》为例，标题与开首一句已经点明 the longest sea-crossing bridge in the world，主题与角度立即清晰。易错之处是不少学生跳过标题直接读内文，结果花费时间却仍抓不住重心；切记标题是作者给读者的第一条线索，放弃标题等于放弃最快的入门。
- 读每段首句第二步是扫读每段第一句，因为主题句多数置于段首，各段首句相连便是全文骨架。方法是在首句下画线，略去支援细节。以课文为例：第一段首句讲连接三地的五十五公里大桥，第二段讲造价超过一千亿，第三段讲大桥成为旅游景点，合并起来已见文章轮廓。易错之处是学生习惯逐字逐句细读，速度大减；略读讲求的是取骨架、舍血肉，速度与概括必须并存。
- 找主题句主题句是每段的核心，考点在辨识它出现的位置。方法一般先看段首，若段首只是铺垫，再看段尾。课文尾段本身就是示范：If you skim the news about the bridge, the headline and subheadings alone tell you the main idea，说明标题与副标题已足以带出主旨。易错之处是把例子或数据句误当主题句；判断标准在于该句能否概括整段，若只是举例说明，便不是主题句，不可据此总结段意。
- 忽略细节略读时必须主动忽略小节与例子，这是速度的关键。方法是把数字、日期、专有名词视为证据而非主旨，眼睛扫过不必停留。以课文为例：55 kilometres、45 minutes、100 billion 都是支持论点的证据，略读阶段不必记下。易错之处是学生见到数字便停下细想，甚至开始心算，速度随即崩溃；切记略读阶段先保方向，数据留待寻读阶段处理，两个阶段各有任务。
- 课文实战略读完毕应能回答两条检测题：全文讲什么？争议在哪一段？以本课为例，略读后应说出文章讲港珠澳大桥的两面，包括便利与代价，并指出白海豚与车流争议出现在中段。方法是自问自答，答不出便回去重扫各段首句。易错之处是学生自以为读完便算，从不检测自己能否复述大意；没有输出的略读往往只是眼睛掠过，脑中没有留下结构，考试时自然无从作答。
- 主旨句子略读的终点是把各段主题句合并成一句主旨。方法是保留正反两面，以连接词串连。以课文为例：The bridge connects cities and saves time, but it cost over 100 billion dollars and may threaten the white dolphins，一句之内既有贡献亦有代价，才是完整主旨。易错之处是学生只写正面或只写反面，主旨以偏概全；考试评分重视概括力，片面主旨往往直接失分，写主旨时应检查有没有遗漏任何一方。
- 略读之后略读与寻读必须配合使用，先略读定方向，后寻读取数据。方法是在主旨清晰之后，按题目需要回到原文定位。以课文为例：若题目问桥的长度，此时才回去扫 55 kilometres；若问主旨，则以合并句作答。易错之处是次序倒转，一开始便逐题寻读，遇到主旨题便无所适从；切记 skim 找方向、scan 找数据，两种技巧相辅相成才算完整策略，单用其一都是残缺的阅读方法。
5例题示范 Example
略读一篇四段《港珠澳大桥》的文章，讲出全文主旨。
- 第一步：读标题和开首，知道主题围绕港珠澳大桥。
- 第二步：扫每段第一句——「最长跨海大桥」「造价超过一千亿」「对游客是景点」「工程师跨地域思考的成果」。
- 第三步：问每段讲桥的哪一面：纪录、成本争议、旅游价值、整体意义。
- 第四步：忽略数字小节（55 公里、45 分钟），它们只是证据，不是主旨。
- 第五步：将四段大意并做一句总结。
- 答案：这篇文章的主旨是：港珠澳大桥是全球最长跨海大桥，将三地交通时间由四小时缩短至四十五分钟，带来极大便利，还成为旅游景点；但造价超过一千亿，车流比预期少，亦可能影响中华白海豚的栖息地。作者想带出：每项伟大工程都有两面——惊人的便利和真实的代价。可见略读时认清每段主题句，已经足够抽出全文主旨。
6常见错误 Mistakes
79 题快测 Quick check
Q1略读目的？
Q2主题句通常在？
Q3略读时要？
Q4速度？
Q5headline 用途？
Q6略读还是寻读？
Q7How long is the bridge?
Q8When did it open?
Q9How long by car?
8重点回顾 Recap
- 略读目的是用最快速度掌握主旨，不是找小节。
- 每段主题句（多数在段首）加起来就是全文大意。
- 标题、副标题和首尾段是主旨的最大提示。
- 略读时遇到生字、数字不要停下来，保持速度扫下去。
- 略读完先决定哪些位置需要寻读（scanning）找答案。