📚 IGCSE CAIE Geography: High-Frequency Topics and Common Mistake Analysis | IGCSE CAIE 地理：高频考点与易错题分析
This revision guide selects the topics that appear most often in CAIE IGCSE Geography (0460) and highlights the errors that regularly cost marks. Use it to test your key terms, case-study detail and exam technique across Papers 1, 2 and 4.
本复习指南精选 CAIE IGCSE 地理（0460）最高频考点，并指出考生反复失分的地方。用它来检查你在 Paper 1、Paper 2 和 Paper 4 中的关键术语、案例细节和答题技巧。
1. Population Dynamics | 人口动态
Expect questions on the demographic transition model (DTM), population pyramids, dependency ratios and policies to manage population growth. Many candidates can draw the DTM but cannot explain why a country moves from Stage 2 to Stage 3, such as falling death rates due to clean water, vaccination and better nutrition.
考试常涉及人口转变模型（DTM）、人口金字塔、抚养比和人口管理政策。很多学生能画出 DTM，却不能解释一个国家为何从第二阶段进入第三阶段，例如清洁饮水、疫苗接种和营养改善导致死亡率下降。
Common mistake: reading a population pyramid as a bar chart of total numbers rather than as percentages or age-sex groups. Always check the axis label and mention the proportions of young dependants, working-age population and elderly dependants when interpreting population structure.
常见错误：把人口金字塔当作总数柱状图，而不是百分比或年龄—性别分组。一定要查看坐标轴标签，并在解读人口结构时提到年轻受抚养人口、劳动年龄人口和老年受抚养人口的比例。
2. Settlement Patterns and Urban Land Use | 聚落形态与城市土地利用
High-frequency content includes settlement hierarchy, sphere of influence, urban land-use models and problems in informal settlements. The key skill is to explain why a pattern occurs, not just describe the rings or zones on a diagram.
高频内容包括聚落等级、服务范围、城市土地利用模型和非正式聚落问题。关键技能是解释某种分布模式为何出现，而不只是描述图中的环带或分区。
Common mistake: writing “the CBD is in the centre because of the Burgess model” without linking the location to accessibility, peak land values and competition. If you use a case study, give named streets, zones and statistics from a real city.
常见错误：写“CBD 在中心是因为 Burgess 模型”，但没有将区位与可达性、地价峰值和竞争联系起来。如果使用案例研究，要给出真实城市的具体街道、分区和统计数据。
3. Plate Tectonics and Hazards | 板块构造与地质灾害
Questions often ask for the global distribution of earthquakes and volcanoes, processes at each boundary type, and a case study of a specific hazard event. Answers must name the plates involved and the boundary type, such as the Nazca and South American plates at a destructive boundary.
题目常问地震和火山的全球分布、每种板块边界的作用过程，以及特定灾害事件案例。答案必须写出涉及的板块名称和边界类型，例如纳斯卡板块与南美板块之间的消亡边界。
Common mistake: mixing up short-term and long-term responses. Short-term responses include rescue, food, water and temporary shelter; long-term responses include rebuilding, tsunami warning systems and land-use planning. For a named earthquake, give at least one fact for each category.
常见错误：混淆短期和长期响应。短期响应包括救援、食物、水和临时住所；长期响应包括重建、海啸预警系统和土地利用规划。对于指定地震，至少每类给出一个事实。
4. Rivers and Coastal Processes | 河流与海岸过程
This topic rewards a sequenced explanation: weathering and erosion, transportation, deposition, and then the landform that results. Learn the erosion types: hydraulic action, abrasion, attrition and solution or corrosion.
该专题重视按顺序解释：风化和侵蚀、搬运、堆积，再到所形成的地貌。掌握侵蚀类型：水力作用、磨蚀、磨耗和溶蚀。
Common mistake: writing “the river erodes the outside of the bend” but not saying why flow is faster there. Link meander formation to helicoidal flow, deeper water and lateral erosion on the outer bank, then deposition on the inner bank to build a point bar.
常见错误：写“河流侵蚀弯道外侧”但没有说明为什么那里流速更快。要把曲流形成与螺旋流、水深和外侧河岸的侧蚀联系起来，并提到内侧河岸的堆积形成凸岸坝。
5. Weather, Climate and Ecosystems | 天气、气候与生态系统
Climate graph interpretation is very common in Paper 2. You must read temperature and rainfall accurately, identify the seasonal pattern and link it to an equatorial, tropical monsoon or desert climate, depending on the data given.
气候图判读在 Paper 2 中非常常见。你必须准确读取气温和降水数据，识别季节分布模式，并根据所给数据将其与赤道、热带季风或沙漠气候联系起来。
Common mistake: confusing weather and climate, or writing “it is hot because it is near the equator” without referring to low pressure, rising air and convectional rainfall. For ecosystems, explain plant adaptations such as drip tips or waxy leaves, not just list plant names.
常见错误：混淆天气和气候，或只写“热是因为靠近赤道”，而没有提及低压、上升气流和对流雨。对于生态系统，要解释植物的适应机制，如滴水叶尖或蜡质叶片，而不只是列出植物名称。
6. Food Production and Agriculture | 粮食生产与农业
You should be able to classify a farming system using inputs, processes and outputs, and to compare subsistence and commercial farming. Case studies should include specific yields, labour force, machinery and fertiliser use.
你应该能用投入、过程和产出对农业系统进行分类，并比较自给农业与商业农业。案例研究应包括具体产量、劳动力、机械和化肥使用情况。
Common mistake: writing “the Green Revolution increased yields” with no location, seed type, fertiliser or irrigation detail. Mention HYVs such as IR8 rice, nitrogen fertilisers, tube wells, and the consequences for small farmers, including debt and groundwater depletion.
常见错误：写“绿色革命提高了产量”，却没有地点、种子类型、化肥或灌溉细节。要提到 IR8 水稻等高产品种、氮肥、管井，以及对小农造成的后果，包括负债和地下水枯竭。
7. Industry and Economic Activity | 工业与经济活动
Location factors must be ranked and justified for the named industry, not listed as a shopping list. Distinguish raw-material-oriented industries, such as steel, from market-oriented industries, such as baked goods or soft drinks.
工业区位因素必须针对指定行业进行排序和论证，而不是罗列清单。要区分原料导向型工业（如钢铁）和市场导向型工业（如烘焙食品或软饮料）。
Common mistake: confusing primary, secondary, tertiary and quaternary sectors. A teacher is tertiary, software design is quaternary, coal mining is primary. Also link a country’s employment structure to its level of development rather than just describing the percentages.
常见错误：混淆第一、第二、第三和第四产业。教师属于第三产业，软件设计属于第四产业，采煤属于第一产业。还要把一个国家的就业结构与其发展水平联系起来，而不只是描述百分比。
8. Tourism | 旅游业
Tourism questions usually ask for the growth of mass tourism, benefits and problems, or the role of ecotourism. You need balanced arguments that include both economic gains and environmental or social costs, with named places.
旅游业题目通常要求分析大众旅游的增长、利弊或生态旅游的作用。你需要给出正反两方面论证，既包括经济收益，也包括环境或社会代价，并列举具体地点。
Common mistake: only listing benefits such as jobs and income, while ignoring economic leakage, seasonal unemployment, congestion and environmental damage. For ecotourism, say how it differs from mass tourism in scale, waste management, local involvement and conservation funding, not just that it is “green”.
常见错误：只列出就业和收入等好处，却忽略经济漏损、季节性失业、交通拥堵和环境破坏。对于生态旅游，要说明它在规模、废物管理、当地参与和保护资金方面如何区别于大众旅游，而不只是说它“绿色”。
9. Development and Globalisation | 发展与全球化
Development is measured by GNI per capita, GDP per capita, HDI, literacy rate, life expectancy and infant mortality. Never rely on one indicator alone because averages hide inequality within a country.
发展水平用人均 GNI、人均 GDP、HDI、识字率、预期寿命和婴儿死亡率来衡量。绝不能只依赖单一指标，因为平均值会掩盖一个国家内部的不平等。
Common mistake: using “GDP” when the syllabus expects “GDP per capita” or “GNI per capita”, and not explaining the three HDI components of health, education and income. Aid questions need named donor and recipient countries, not general statements about “poor countries”.
常见错误：大纲要求“人均 GDP”或“人均 GNI”时只写“GDP”，且不解释 HDI 的三大构成：健康、教育和收入。援助类题目需要具体的援助国和受援国，而不是笼统地说“穷国”。
| Indicator | What it shows |
|---|---|
| GNI per capita | Average income adjusted for international flows; hides internal inequality. |
| HDI | Combines life expectancy, education and income into one index. |
10. Map Skills and GIS | 地图技能与地理信息系统
Paper 2 tests four-figure and six-figure grid references, compass directions, bearings, scale, cross sections, gradient and map interpretation. Practise measuring curved distances with string or the edge of a piece of paper.
Paper 2 考查四位数字和六位数字网格坐标、罗盘方向、方位角、比例尺、剖面图、坡度和地图判读。要练习用线或纸片边缘测量弯曲距离。
Common mistake: giving a four-figure reference when six figures are asked, or forgetting to read eastings before northings. Remember “along the corridor, up the stairs”. Also write gradient as a ratio, not just a number without units.
常见错误：要求六位坐标时只给四位，或忘记先读东距再读北距。记住“先横后纵”。坡度还要写成比值，而不能只写一个没有单位的数字。
Gradient = height difference (m) ÷ horizontal distance (m)
In Chinese: 坡度 = 高差（米）÷ 水平距离（米）。Always convert units so the numerator and denominator use the same unit.
中文：坡度 = 高差（米）÷ 水平距离（米）。务必统一单位，使分子和分母使用相同单位。
11. Data Response and Case Study Technique | 数据响应与案例研究技巧
High-scoring answers use data from graphs, maps or tables. Quote the numbers, identify trends and anomalies, and link the data back to the question. Command words such as “describe”, “explain”, “compare” and “justify” require different responses.
高分答案会运用图表、地图或表格中的数据。引用数字、识别趋势和异常值，并将数据回扣到问题上。“描述”、“解释”、“比较”、“论证”等指令词要求不同的答题方式。
Common mistake: writing case studies as vague stories without place-specific evidence. For a named volcano, earthquake, farm or city, include dates, magnitudes, yields, population figures or named districts so the examiner can see real knowledge.
常见错误：把案例写得像模糊的故事，缺少地点具体证据。对于指定的火山、地震、农场或城市，要包含日期、震级、产量、人口数字或具体城区，让考官看到真实的知识掌握。
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