📚 IGCSE Cambridge Geography: Case Study Exam Practice | IGCSE剑桥地理：案例分析实战演练
Case study questions often carry the highest marks in IGCSE Cambridge Geography, and they require more than memorising facts. You must be able to apply place-specific knowledge to explain causes, effects, and responses in a structured way. This article gives you a clear revision framework, examples from popular themes, and a self-check method to improve exam answers.
案例研究题在IGCSE剑桥地理考试中通常分值最高，并且不仅需要背诵事实。你必须能够运用具体地区知识，以结构化的方式解释原因、影响和应对措施。本文为你提供清晰的复习框架、常见主题的实例，以及改进考试答案的自查方法。
1. Why Case Studies Matter in IGCSE Cambridge Geography | 为什么案例研究在IGCSE剑桥地理中重要
Case studies test whether you can link general geographical theory to real places. A strong answer shows the examiner that you understand not only what happens in a location, but also why it happens there and how it affects people and the environment.
案例研究题考查你是否能将一般地理理论与真实地区联系起来。一个高分答案向考官展示你不仅了解某地发生了什么，还明白它为何在那里发生，以及它如何影响人和环境。
In Paper 1 and Paper 2, case study questions can appear in both physical and human geography sections. You are expected to use accurate place names, data, and specific examples such as the Ganges delta or the Holderness coast.
在试卷一和试卷二中，案例研究题可能出现在自然地理和人文地理部分。你需要使用准确的地名、数据和具体实例，例如恒河三角洲或霍尔德内斯海岸。
2. How Examiners Grade Case Study Answers | 考官如何评定案例研究答案
Examiners look for three things: place-specific detail, accurate data, and clear links between causes, effects, and responses. Weak answers tend to be generic, for example saying ‘an earthquake happened’ without naming the event or its magnitude.
考官关注三个方面：具体地点细节、准确数据，以及原因、影响和应对措施之间的清晰联系。较弱的答案往往很笼统，例如只说“发生了地震”，却不提及具体事件名称或震级。
| Mark band | What is needed | Common weakness |
|---|---|---|
| Level 1 | Simple statements, limited place detail | No named location or data |
| Level 2 | Clear statements with some detail and links | One-sided answer |
| Level 3 | Detailed, balanced, well-linked case study evidence | Missing evaluation or judgement |
At the highest level, you must show judgement, such as evaluating whether a management strategy has been more successful for the environment than for local people.
在最高等级，你必须展示判断能力，例如评估某一管理策略对环境是否比对当地居民更成功。
3. Building a Case Study Bank | 建立案例研究资料库
A reliable revision strategy is to build a case study bank for each syllabus theme. For every case, record the location, key statistics, causes, effects, and responses in a table or mind map.
一个可靠的复习策略是围绕每个大纲主题建立案例研究资料库。对于每个案例，记录其位置、关键数据、原因、影响和应对措施，可以用表格或思维导图。
- Population: China’s one-child policy or Kerala, India
- Settlement and urbanisation: Rio de Janeiro or Lagos
- Rivers and flooding: Bangladesh or Cumbria, UK
- Coasts: Holderness Coast, UK
- Weather and climate: Hurricane Katrina or Typhoon Haiyan
- Ecosystems: Amazon rainforest or Sahara desert
- Industry and tourism: Bali or Blackpool
- Food and water security: South-North Water Transfer Project, China
人口：中国独生子女政策或印度喀拉拉邦；聚落与城市化：里约热内卢或拉各斯；河流与洪水：孟加拉国或英国坎布里亚；海岸：英国霍尔德内斯海岸；天气与气候：卡特里娜飓风或台风海燕；生态系统：亚马逊雨林或撒哈拉沙漠；工业与旅游：巴厘岛或布莱克浦；粮食与水资源安全：中国南水北调工程。
4. Population Case Study: China’s One-Child Policy | 人口案例研究：中国独生子女政策
China introduced the one-child policy in 1979 to slow rapid population growth and reduce pressure on resources. Couples in urban areas were generally restricted to one child, while many rural families were allowed a second child if the first was a girl.
中国于1979年实施独生子女政策，以减缓快速的人口增长并减轻资源压力。城市夫妇通常只能生育一个孩子，而许多农村家庭如果第一个孩子是女孩，则被允许生育第二个孩子。
The policy reduced the birth rate and slowed population growth, but it also created long-term problems. China now faces an ageing population, a shrinking labour force, and a gender imbalance because many families preferred male children.
该政策降低了出生率并减缓了人口增长，但也造成了长期问题。中国现在面临人口老龄化、劳动力萎缩以及因许多家庭偏好男孩而导致的性别比例失衡。
In 2016 the policy was relaxed to allow two children, and later three children, showing that governments must adjust population policies when demographic conditions change.
2016年该政策放宽为允许生育两个孩子，后来又允许生育三个孩子，这表明当人口结构状况发生变化时，政府必须调整人口政策。
5. Settlement and Urbanisation: Rio de Janeiro | 聚落与城市化：里约热内卢
Rio de Janeiro in Brazil is a useful case study of rapid urbanisation in an emerging country. People migrate from rural areas because of push factors such as drought, poor healthcare, and lack of jobs, and pull factors such as better employment, education, and services in the city.
巴西的里约热内卢是一个研究新兴国家快速城市化的典型案例。人们从农村地区迁入城市，是因为干旱、医疗条件差和缺乏就业机会等推力因素，以及城市中更好的就业、教育和服务等拉力因素。
Rapid growth has led to informal settlements called favelas, where housing is often unplanned and lacks basic services. Traffic congestion, air pollution, and crime are further urban challenges.
快速增长导致了被称为贫民窟的非正规住区，那里的住房往往缺乏规划且缺少基本服务。交通拥堵、空气污染和犯罪是进一步的城市问题。
Responses include self-help housing schemes, favela improvement projects such as Morar Carioca, and investment in public transport. These strategies aim to improve living conditions without forcing residents to leave their communities.
应对措施包括自助住房计划、诸如 Morar Carioca 的贫民窟改善项目，以及对公共交通的投资。这些策略旨在改善生活条件，同时不迫使居民离开他们的社区。
6. River Flooding: Bangladesh | 河流洪水：孟加拉国
Bangladesh is one of the most flood-prone countries in the world because it lies on the delta of three major rivers: the Ganges, Brahmaputra, and Meghna. Over 80% of the country is floodplain, and much of it is less than 5 metres above sea level.
孟加拉国是世界上最容易发生洪水的国家之一，因为它位于恒河、布拉马普特拉河和梅格纳河三条主要河流的三角洲上。全国80%以上是洪泛平原，大部分地区海拔低于5米。
Physical causes include heavy monsoon rainfall, snowmelt from the Himalayas, and tropical cyclones that bring storm surges. Human causes include deforestation in upstream areas, rapid urbanisation, and population pressure forcing people to live on vulnerable land.
自然原因包括强季风降雨、喜马拉雅山脉的融雪以及带来风暴潮的热带气旋。人为原因包括上游地区砍伐森林、快速城市化，以及人口压力迫使人们居住在易受灾的土地上。
Flooding causes loss of life, destruction of crops and homes, and outbreaks of waterborne diseases such as cholera. Responses include embankments, flood shelters, early warning systems, and international aid. However, these measures are limited by poverty and the scale of flooding.
洪水造成人员死亡、农作物和房屋被毁，以及霍乱等水传播疾病的爆发。应对措施包括堤坝、防洪避难所、预警系统和国际援助。然而，这些措施受到贫困和洪水规模的限制。
7. Coastal Management: Holderness Coastline | 海岸管理：霍尔德内斯海岸线
The Holderness Coast in northeast England has one of the fastest erosion rates in Europe, averaging about 2 metres per year. The cliffs are made of soft boulder clay, which is easily eroded by strong waves from the North Sea.
英格兰东北部的霍尔德内斯海岸是欧洲侵蚀速度最快的海岸之一，平均每年约侵蚀2米。悬崖由软质漂砾黏土构成，容易被北海的强浪侵蚀。
Erosion threatens villages such as Mappleton, farmland, and infrastructure such as roads and gas terminals. Hard engineering has been used at Mappleton, including rock armour and groynes, to protect the village.
侵蚀威胁着马普尔顿等村庄、农田以及道路和天然气终端等基础设施。马普尔顿采用了硬工程措施，包括岩石护坡和丁坝，以保护村庄。
However, groynes stop sand movement and increase erosion further down the coast. Some areas now use managed retreat, allowing the sea to flood low-value land to create natural defences. This shows the trade-off between protection and cost.
然而，丁坝阻挡了泥沙运动，并加剧了海岸更远处的侵蚀。一些地区现在采用有管理的退缩，允许海水淹没低价值土地以形成自然防线。这表明保护与成本之间的权衡。
8. Ecosystems: Amazon Rainforest | 生态系统：亚马逊雨林
The Amazon rainforest is the largest tropical rainforest on Earth, covering about 5.5 million km² across nine countries. It contains around 10% of the world’s known species and stores huge amounts of carbon in its trees and soils.
亚马逊雨林是地球上最大的热带雨林，覆盖约550万平方公里，横跨九个国家。它包含世界上约10%的已知物种，并在树木和土壤中储存大量碳。
Deforestation is caused mainly by cattle ranching, soybean farming, logging, mining, and road building. These activities clear vast areas and reduce biodiversity. Deforestation also releases carbon dioxide and can change local rainfall patterns.
森林砍伐主要由养牛、大豆种植、伐木、采矿和道路建设引起。这些活动清除了大片森林并减少了生物多样性。砍伐还会释放二氧化碳，并可能改变当地降雨模式。
Conservation strategies include protected areas, sustainable forest management, certification schemes, and international agreements such as the Amazon Fund. However, enforcement is difficult because of the forest’s size and economic pressures.
保护策略包括保护区、可持续森林管理、认证计划以及亚马逊基金等国际协议。然而，由于森林面积巨大和经济压力，执法非常困难。
9. Tourism: Bali, Indonesia | 旅游业：印度尼西亚巴厘岛
Bali is a major international tourism destination known for its beaches, temples, and culture. Tourism provides around 80% of the island’s income and creates jobs in hotels, transport, and craft industries.
巴厘岛是主要的国际旅游目的地，以海滩、寺庙和文化闻名。旅游业提供了该岛约80%的收入，并在酒店、交通和手工艺品行业创造了就业机会。
However, mass tourism has also caused problems. Water shortages occur because hotels and golf courses use large amounts of groundwater. Waste and plastic pollution harm beaches and marine life. Cultural traditions are sometimes weakened by commercialisation.
然而，大规模旅游也带来了问题。由于酒店和高尔夫球场消耗大量地下水，水资源出现短缺。垃圾和塑料污染破坏了海滩和海洋生物。文化传统有时因商业化而受到削弱。
Management responses include eco-tourism initiatives, water recycling in hotels, bans on single-use plastics, and limits on visitor numbers in sensitive areas. These measures aim to make tourism more sustainable.
管理应对措施包括生态旅游倡议、酒店水循环利用、禁止一次性塑料制品，以及限制敏感区域的游客数量。这些措施旨在使旅游业更具可持续性。
10. Water Security: South-North Water Transfer Project, China | 水资源安全：中国南水北调工程
China’s South-North Water Transfer Project is one of the largest water engineering schemes in the world. It moves water from the wetter Yangtze River basin in the south to the drier north, especially to cities such as Beijing and Tianjin.
中国的南水北调工程是世界上最大的水利工程之一。它将水资源从较湿润的长江流域调往较干旱的北方，特别是北京和天津等城市。
The project helps reduce overuse of groundwater in the north and improves water supply for agriculture, industry, and domestic use. It has reduced the risk of water shortage in major urban areas.
该工程有助于减少北方地下水过度开采，并改善农业、工业和居民生活用水供应。它降低了大城市地区缺水的风险。
However, the project was very expensive and required the displacement of hundreds of thousands of people. Environmental concerns include changes to river ecosystems and pollution transfer. This case study is useful for evaluating the costs and benefits of large-scale water management.
然而，该工程耗资巨大，需要搬迁数十万人。环境问题包括河流生态系统的改变和污染转移。这个案例研究对于评估大规模水资源管理的成本和效益非常有用。
11. Exam Technique: Command Words and Marking | 考试技巧：指令词与评分
Command words tell you how to answer a question. Words such as ‘describe’ ask for what is there, while ‘explain’ asks for reasons. ‘Evaluate’ and ‘justify’ require a balanced argument and a clear judgement.
指令词告诉你如何回答问题。例如“描述”要求说明是什么，“解释”要求说明原因。“评估”和“论证”要求给出平衡的论证和明确的判断。
| Command word | What it means | Example |
|---|---|---|
| Describe | Say what it is like, no reasons | Describe the location of Bangladesh |
| Explain | Give reasons and causes | Explain why flooding occurs in Bangladesh |
| Evaluate | Give both sides and a judgement | Evaluate the success of flood management |
| Justify | Support a choice with evidence | Justify which strategy is most sustainable |
Always read the command word carefully before planning your answer. A common mistake is to describe when the question asks to explain, which limits the marks you can achieve.
在规划答案之前，务必仔细阅读指令词。一个常见错误是题目要求“解释”时却只进行“描述”，这会限制你能获得的分数。
12. Model Answer and Self-Check | 模型答案与自查清单
Below is a model answer for a six-mark question: ‘Explain the causes of flooding in Bangladesh.’
以下是一道六分题的模型答案：“解释孟加拉国洪水的原因。”
Model answer: Bangladesh floods mainly because of its physical geography and human actions. It lies on the delta of the Ganges, Brahmaputra, and Meghna rivers, and most of the country is less than 5 metres above sea level. Heavy monsoon rains and snowmelt from the Himalayas bring huge amounts of water at the same time. Tropical cyclones can also cause storm surges from the Bay of Bengal. Human causes include deforestation in the Himalayas, which reduces interception and increases surface runoff, and a growing population that forces people to farm and live on vulnerable floodplains. These factors combine to make flooding frequent and severe.
模型答案：孟加拉国经常发生洪水，主要是由于其自然地理和人类活动。它位于恒河、布拉马普特拉河和梅格纳河的三角洲，全国大部分地区海拔低于5米。强季风降雨和喜马拉雅山的融雪同时带来大量水流。热带气旋还会引发孟加拉湾的风暴潮。人为原因包括喜马拉雅山脉的森林砍伐，这减少了截留并增加了地表径流；人口增长迫使人们在脆弱的洪泛平原上耕种和生活。这些因素共同导致洪水频繁且严重。
Before moving on, use this self-check list: Did I name a specific place? Did I include accurate data such as 5 metres or 80%? Did I link physical and human causes? Did I use the correct command word? If you can answer yes to all, your case study answer is on the right track.
在继续之前，请使用这个自查清单：我是否提到了具体地点？我是否包含了准确数据，如5米或80%？我是否将自然原因和人为原因联系起来？我是否使用了正确的指令词？如果你对以上都能回答是，那么你的案例研究答案就走在正确的轨道上。
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