📚 Year 11 CIE Geography Core Knowledge Review | Year 11 CIE 地理核心知识点梳理
For Year 11 students following the Cambridge IGCSE Geography syllabus (0460), a clear grasp of the core themes is essential for exam success. This guide summarises the key knowledge areas including population, settlement, natural environments, and economic development, presented in a bilingual format to support revision.
对于学习剑桥IGCSE地理（0460）课程的Year 11学生而言，清晰掌握核心主题是考试成功的关键。本指南总结了包括人口、定居点、自然环境和经济发展在内的关键知识领域，并以双语形式呈现，助力复习。
1. Population Dynamics | 人口动态
The world's population is distributed unevenly, with dense clusters in East Asia, South Asia and Europe. Population change is determined by birth rate, death rate and migration. The Demographic Transition Model (DTM) shows how birth and death rates change as a country develops from Stage 1 (high fluctuating) to Stage 5 (low, declining).
世界人口分布不均，东亚、南亚和欧洲人口密集。人口变化由出生率、死亡率和人口迁移决定。人口过渡模型 (DTM) 展示了随着国家发展，出生率和死亡率如何从第一阶段（高位波动）变化到第五阶段（低位下降）。
Overpopulation occurs when resources are insufficient to support the population, while underpopulation means resources are underused. Countries may adopt pro-natalist or anti-natalist policies to manage population growth.
当资源不足以支撑人口时出现人口过剩，而人口不足意味着资源未充分利用。各国可能采取鼓励生育或控制生育的政策来管理人口增长。
Population structure is shown by population pyramids, which indicate the proportion of dependents (young and old) and the economically active. A wide base suggests a high birth rate, typical of Stage 2 of the DTM.
人口结构通过人口金字塔显示，表明受抚养人口（年轻和年老）与经济活动人口的比例。宽大的塔底表示高出生率，是DTM第二阶段的典型特征。
2. Migration | 迁移
Migration is the movement of people from one place to another with the intention of settling permanently or temporarily. Push factors are negative aspects of the origin (e.g. unemployment, war, natural hazards), while pull factors are attractions of the destination (e.g. job opportunities, safety, better services).
迁移是人们从一个地方搬到另一个地方并意图永久或暂时定居的移动。推因素是原居地的负面因素（如失业、战争、自然灾害），拉因素是目的地的吸引力（如就业机会、安全、更好的服务）。
Internal migration includes rural-urban migration, which drives rapid urbanisation in many developing countries. International migration can be voluntary (economic migrants) or forced (refugees). Migration has impacts on both source and receiving areas, such as remittances boosting the economy of the source area but causing labour shortages.
国内迁移包括从农村到城市的迁移，这推动了许多发展中国家的快速城市化。国际迁移可以是自愿的（经济移民）或被迫的（难民）。迁移对来源地和接收地都有影响，例如汇款促进来源地经济，但也导致劳动力短缺。
3. Settlement and Urbanisation | 定居点与城市化
Settlements range from isolated dwellings to megacities. The site and situation of a settlement explain its location. Settlement hierarchies show the relationship between population size, services and sphere of influence.
定居点范围从孤立的住宅到特大城市。定居点的选址和区位条件解释其位置。定居点等级体系显示人口规模、服务数量和影响范围之间的关系。
Urbanisation is the increase in the proportion of people living in urban areas. This is most rapid in developing countries. Land use models such as the Burgess concentric zone model and the Hoyt sector model describe the internal structure of cities, with a CBD (central business district) at the centre.
城市化是城市人口比例增加的过程，在发展中国家最为迅速。土地利用模型如伯吉斯同心圆模型和霍伊特扇形模型描述了城市内部结构，中心为中央商务区（CBD）。
Problems of rapid urbanisation include overcrowding, traffic congestion, housing shortages, and the growth of informal settlements (slums). Sustainable urban planning aims to provide affordable housing, green spaces and efficient public transport.
快速城市化带来的问题包括过度拥挤、交通堵塞、住房短缺以及非正规聚居区（贫民窟）的增长。可持续城市规划旨在提供可负担的住房、绿地和高效的公共交通。
4. River Processes and Landforms | 河流过程与地貌
Rivers erode by hydraulic action, abrasion, attrition and solution. They transport sediment by traction, saltation, suspension and solution. Deposition occurs when the river loses energy, typically on the inside of meanders or at the mouth.
河流通过水力作用、磨蚀、磨损和溶蚀进行侵蚀。它们通过牵引、跃移、悬浮和溶解方式输送沉积物。当河流失去能量时发生沉积，通常发生在曲流的内侧或河口。
Key landforms in the upper course include V-shaped valleys, interlocking spurs, waterfalls and gorges. In the middle course, meanders and oxbow lakes develop. In the lower course, floodplains, levees and deltas form.
上游主要地貌包括 V 形谷、交错山嘴、瀑布和峡谷。中游发育曲流和牛轭湖。下游形成泛滥平原、天然堤和三角洲。
Flooding can be caused by heavy rainfall, snowmelt, deforestation and urbanisation. Hard engineering methods (dams, levees) and soft engineering approaches (afforestation, washlands) are used to manage flood risk.
暴雨、融雪、森林砍伐和城市化都可能引发洪水。硬工程方法（水坝、堤坝）和软工程方法（植树造林、滞洪区）用于管理洪水风险。
5. Coastal Processes and Landforms | 海岸过程与地貌
Waves are the main agent of coastal erosion and deposition. Destructive waves erode the coast, while constructive waves build beaches. Erosion processes include hydraulic action, abrasion, attrition and solution, similar to rivers. Longshore drift transports sediment along the coast.
波浪是造成海岸侵蚀和沉积的主要力量。破坏性波浪侵蚀海岸，而建设性波浪堆积海滩。侵蚀过程包括水力作用、磨蚀、磨损和溶蚀，与河流类似。沿岸漂沙沿岸输送沉积物。
Erosional landforms include cliffs, wave-cut platforms, headlands and bays, caves, arches, stacks and stumps. Depositional landforms include beaches, spits, bars and tombolos.
侵蚀地貌包括悬崖、浪蚀平台、岬角和海湾、洞穴、拱门、海蚀柱和残桩。沉积地貌包括海滩、沙嘴、沙坝和连岛沙洲。
Coastal management strategies involve hard engineering (sea walls, groynes, rock armour) and soft engineering (beach nourishment, managed retreat). Conflicts may arise between different users, such as tourism, fishing and conservation.
海岸管理策略涉及硬工程（海堤、防波堤、抛石护岸）和软工程（沙滩补沙、管理性撤退）。不同使用者之间可能产生冲突，例如旅游业、渔业和自然保护之间。
6. Tectonic Hazards: Earthquakes and Volcanoes | 构造灾害：地震与火山
The Earth's crust is divided into tectonic plates that move due to convection currents in the mantle. Plate boundaries are classified as constructive (divergent), destructive (convergent), conservative (transform) and collision zones.
地壳被划分为多个构造板块，这些板块由于地幔中的对流而移动。板块边界分为建设型（离散型）、破坏型（汇聚型）、保守型（转换型）和碰撞带。
Earthquakes occur when stress builds up at plate boundaries and is suddenly released, sending out seismic waves. The focus is the point inside the Earth where the earthquake originates; the epicentre is the point on the surface directly above it. Magnitude is measured using the Richter scale.
当地应力在板块边界积累并突然释放时，就会发生地震，并发出地震波。震源是地球内部地震发生的地点；震中是震源正上方的地表点。震级用里氏震级衡量。
Volcanoes form at constructive and destructive plate boundaries, as well as over hotspots. Shield volcanoes have gentle slopes and basaltic lava, while composite volcanoes have steeper slopes and more explosive eruptions. Hazards include lava flows, ash falls, pyroclastic flows and lahars.
火山形成于建设型和破坏型板块边界，以及热点上方。盾状火山坡度平缓，熔岩为玄武岩，而复合型火山坡度较陡，喷发更猛烈。火山灾害包括熔岩流、火山灰降、火山碎屑流和火山泥流。
Responses to tectonic hazards include prediction, preparation, warning systems, evacuation plans and building design (e.g. earthquake-resistant structures). The impacts vary between countries of different economic development.
应对构造灾害的措施包括预测、准备、预警系统、疏散计划和建筑设计（如抗震结构）。灾害影响在不同经济发展水平的国家间存在差异。
7. Climate and Natural Vegetation | 气候与自然植被
Global climate zones are determined by latitude, altitude, distance from the sea and prevailing winds. The main zones are tropical rainforest, hot desert, savanna, temperate, Mediterranean, cold and polar.
全球气候带由纬度、海拔、距海远近和盛行风决定。主要气候带包括热带雨林、热沙漠、热带草原、温带、地中海式、寒带和极地气候。
Tropical rainforests are located near the Equator and have high temperatures and heavy rainfall year-round. Soils are infertile (latosols) because nutrients are rapidly leached. The ecosystem features distinct layers: emergent, canopy, understorey and forest floor. Deforestation for agriculture, logging and mining threatens biodiversity and contributes to climate change.
热带雨林位于赤道附近，全年高温多雨。土壤贫瘠（砖红壤），因为养分被迅速淋溶。生态系统有明显的分层：露生层、树冠层、下层林木和森林地表。为农业、伐木和采矿而进行的森林砍伐威胁生物多样性并加剧气候变化。
Hot deserts are found in subtropical high-pressure belts, with extreme diurnal temperature ranges and very low rainfall. Vegetation is adapted to drought, such as cacti with thick cuticles and long roots. Soils are thin and salty (aridisols). Opportunities for development include tourism and solar energy, but challenges include water scarcity and land degradation.
热沙漠位于副热带高压带，昼夜温差极大，降雨极少。植被适应干旱，如表面有厚角质层和深根的仙人掌。土壤薄且含盐（旱成土）。发展的机遇包括旅游业和太阳能，但挑战包括水资源短缺和土地退化。
8. Development and Economic Activity | 发展与经济活动
Development is measured by indicators such as GDP per capita, literacy rate, life expectancy and the Human Development Index (HDI). Countries are classified into high-income, middle-income and low-income, though the Brandt Line divides the developed North from the developing South.
发展通过人均GDP、识字率、预期寿命和人类发展指数（HDI）等指标来衡量。国家被分为高收入、中等收入和低收入国家，尽管勃兰特线将发达的北方与发展中的南方分隔开来。
Economic activities are divided into primary (farming, mining), secondary (manufacturing), tertiary (services) and quaternary (research). The employment structure changes as countries develop, with a shift from primary to secondary and then to tertiary and quaternary sectors.
经济活动分为第一产业（农业、采矿）、第二产业（制造业）、第三产业（服务业）和第四产业（研发）。随着国家发展，就业结构发生变化，从第一产业转向第二产业，再转向第三和第四产业。
Transnational corporations (TNCs) operate in multiple countries and influence development through job creation, technology transfer and tax revenues, but may also cause exploitation and environmental damage. Fair trade and aid are strategies to reduce the development gap.
跨国公司（TNCs）在多国经营，通过创造就业、技术转让和税收影响发展，但也可能造成剥削和环境破坏。公平贸易和援助是缩小发展差距的策略。
9. Food Production and Agriculture | 粮食生产与农业
Agricultural systems are classified as subsistence (for the farmer's own needs) or commercial (for profit). Shifting cultivation is a traditional subsistence system in tropical rainforests, while intensive rice farming is common in monsoon Asia.
农业系统分为自给型（满足农民自身需求）和商业型（为获利）。轮耕是热带雨林中的传统自给型农业系统，而集约型水稻种植在季风亚洲地区很常见。
The Green Revolution introduced high-yielding varieties (HYVs), chemical fertilisers, pesticides and irrigation, significantly increasing food production in parts of Asia and Latin America. However, it also led to soil degradation, water pollution and increased inequality.
绿色革命引入了高产品种（HYVs）、化肥、农药和灌溉，大幅增加了亚洲和拉丁美洲部分地区的粮食产量。然而，它也导致了土壤退化、水污染和不平等加剧。
Modern commercial farming includes extensive pastoral farming in grasslands and plantation agriculture in tropical regions. Food shortages are caused by physical factors (drought, pests) and human factors (poverty, poor infrastructure, conflict). Solutions include sustainable agriculture, improved storage and fairer trade.
现代商业性农业包括草原地区的大牧场放牧业和热带地区的种植园农业。粮食短缺由自然因素（干旱、病虫害）和人为因素（贫困、基础设施差、冲突）引起。解决方案包括可持续农业、改善储存条件和更公平的贸易。
10. Tourism | 旅游业
Tourism has grown rapidly due to increased leisure time, higher disposable incomes and improved transport. It can be mass tourism or niche tourism (ecotourism, adventure tourism). Tourist destinations may follow the Butler Model of resort evolution.
由于闲暇时间增加、可支配收入提高和交通改善，旅游业发展迅速。它可以是大众旅游或特色旅游（生态旅游、探险旅游）。旅游目的地可能遵循巴特勒度假地生命周期模型。
Positive impacts of tourism include job creation, foreign exchange earnings and infrastructure development. Negative impacts include environmental degradation (litter, habitat destruction), cultural erosion and economic leakage where profits leave the host country.
旅游业的积极影响包括创造就业、赚取外汇和发展基础设施。消极影响包括环境退化（垃圾、栖息地破坏）、文化侵蚀和经济漏损，即利润流出东道国。
Sustainable tourism aims to minimize negative impacts while maximizing benefits for local communities and the environment. Strategies include visitor management, environmental education and community involvement.
可持续旅游旨在将负面影响降到最低，同时为当地社区和环境带来最大收益。策略包括游客管理、环境教育和社区参与。
Published by TutorHao | CIE Geography Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
或截图后用「扫一扫 → 相册」选择本图