📚 IGCSE WJEC PE Unit Test Mock Paper Breakdown | IGCSE WJEC 体育：单元测试模拟卷解析
This article provides an in-depth breakdown of a mock Unit 1 paper for the WJEC IGCSE Physical Education specification. We explore the structure of the test, unpack representative questions across Anatomy & Physiology, Training, Nutrition, Skill Acquisition and Sport Psychology, and explain exactly what examiners are looking for. Use this analysis to refine your revision and boost your grade.
本文对 WJEC IGCSE 体育学科单元 1 模拟试卷进行了深度解析。我们将剖析试卷结构，从解剖与生理、训练、营养、技能习得和运动心理学板块中抽取典型考题，并详细解读考官的评分要求。希望这份分析能帮助你精准复习，提升成绩。
1. Understanding the Unit Test Structure | 理解单元测试结构
The mock paper is divided into three sections: Section A contains 20 multiple-choice questions (1 mark each), Section B comprises short-answer questions worth 30 marks, and Section C offers two extended-response questions totalling 50 marks. The full test lasts 90 minutes and mirrors the real WJEC IGCSE PE Unit 1 assessment.
模拟卷共分三个部分：A 部分包含 20 道单选题（每题 1 分），B 部分为简答题，总分 30 分，C 部分则提供两道扩展作答大题，合计 50 分。全卷时长 90 分钟，与真实的 WJEC IGCSE 体育单元 1 考试形式一致。
Examiner tip: Scan through Section A quickly; you should spend no more than 20 minutes here. Reserve the bulk of your time for the high-mark questions in Section C.
考官建议：快速浏览 A 部分，作答时间不要超过 20 分钟。将大块时间留给 C 部分的高分值试题。
2. Warm-Up Question Analysis: Skeletal System | 热身题解析：骨骼系统
Mock Question (Multiple Choice): Which of the following is a primary function of the skeleton?
A. Production of insulin
B. Blood cell production
C. Secretion of digestive enzymes
D. Filtration of lymph
模拟试题（选择题）：以下哪项是骨骼系统的一项主要功能？
A. 产生胰岛素
B. 血细胞生成
C. 分泌消化酶
D. 过滤淋巴液
Answer: B. Blood cell production (haematopoiesis) occurs in the red bone marrow of long bones such as the femur. The skeleton also provides support, protection, movement and mineral storage.
答案：B。血细胞生成（造血功能）在股骨等长骨的红骨髓中进行。骨骼系统还具有支持、保护、运动和矿物质储存功能。
Common mistake: Students often confuse mineral storage with kidney filtration. Remember that bones store calcium and phosphorus, they do not filter fluids.
常见错误：学生常将矿物质储存与肾脏过滤混为一谈。请牢记骨骼储存钙和磷，并不过滤体液。
3. Joint Actions in Movement Analysis | 动作分析中的关节活动
Mock Question (Short Answer): A footballer strikes a ball with the laces. Identify the type of synovial joint operating at the knee and name the main agonist muscle group responsible for extension at this joint. (2 marks)
模拟试题（简答题）：一名足球运动员用脚背射门。指出此时膝关节属于哪一类滑膜关节，并写出负责该关节伸展的主要主动肌群名称。（2 分）
Answer: The knee is a hinge joint. The agonist muscle group for extension is the quadriceps (specifically the rectus femoris and vastus muscles).
答案：膝关节为枢纽关节（铰链关节）。负责伸展的主动肌群是股四头肌（尤为股直肌及股肌群）。
Examiner note: Marks are awarded for using precise anatomical terminology. Writing 'front thigh muscles' is too vague; you must name the quadriceps.
考官提示：使用准确的解剖学术语才能得分。写“大腿前侧肌群”太过模糊，必须写出“股四头肌”。
4. Muscle Fibre Types and Performance | 肌纤维类型与运动表现
Mock Question (4 marks): Explain how the structural and functional characteristics of slow oxidative (Type I) muscle fibres make them highly suited to a marathon runner.
模拟试题（4 分）：阐释慢缩氧化型（I 型）肌纤维的结构与功能特点如何使其非常适合马拉松运动员。
- Slow oxidative fibres contain a high density of myoglobin and mitochondria, which enhances their capacity for aerobic respiration.
- 慢缩氧化型肌纤维含有高浓度的肌红蛋白和线粒体，这增强了它们进行有氧呼吸的能力。
- They are rich in capillaries, ensuring efficient oxygen delivery and carbon dioxide removal.
- 此类肌纤维毛细血管丰富，保证了高效的氧气输送和二氧化碳清除。
- Their slow contraction speed and low fatigability mean they can produce sustained, low-intensity contractions for hours.
- 缓慢的收缩速度和极低的易疲劳性意味着它们可以持续进行数小时的低强度收缩。
- These fibres rely predominantly on fat as a fuel source, which is virtually unlimited, sparing muscle glycogen.
- 这些肌纤维主要依靠脂肪供能，脂肪近乎无限，从而节省了肌糖原。
Link to the mark scheme: 1 mark for myoglobin/mitochondria, 1 for capillary density, 1 for fatigue resistance, 1 for fuel utilisation. Each point must link directly to marathon demands.
评分标准链接：肌红蛋白/线粒体得 1 分，毛细血管密度得 1 分，抗疲劳性得 1 分，燃料利用得 1 分。每一点都必须直接关联马拉松运动的需求。
5. Cardiovascular Responses to Exercise | 心血管对运动的反应
Mock Question (Data Response): The table shows heart rate (HR) and stroke volume (SV) for a 17-year-old at rest and during maximal treadmill running.
| Condition | Heart Rate (bpm) | Stroke Volume (ml) |
|---|---|---|
| Rest | 72 | 70 |
| Maximal Exercise | 195 | 115 |
Calculate cardiac output (Q) for both conditions and explain the significance of the change. (4 marks)
表格展示了一名 17 岁运动员在安静时和进行最大跑台运动时的心率（HR）与每搏输出量（SV）。计算两种状态下的心输出量（Q），并阐释这一变化的重要意义。（4 分）
Formula & Calculation:
Q) = HR × SV
Rest: Q = 72 bpm x 70 ml = 5040 ml/min (5.04 L/min).
Maximal exercise: Q = 195 bpm x 115 ml = 22,425 ml/min (22.4 L/min).
公式与计算：
安静时：Q = 72 bpm x 70 ml = 5040 毫升/分钟 (5.04 升/分钟)。
最大运动时：Q = 195 bpm x 115 ml = 22,425 毫升/分钟 (22.4 升/分钟)。
Significance: Cardiac output increases over four-fold to deliver more oxygenated blood to working muscles and remove metabolic by-products such as lactate and heat. This rise is driven by both increased heart rate (chronotropic effect) and increased stroke volume (Starling's law and enhanced venous return).
重要意义：心输出量增至四倍以上，可将更多含氧血液输送到工作肌群，并清除乳酸和热量等代谢副产物。这一提升由心率加快（变时效应）和每搏输出量增加（Starling 定律与静脉回流量增强）共同驱动。
6. Respiratory System and Gaseous Exchange | 呼吸系统与气体交换
Mock Question (Short Answer): During a 400 m sprint, an athlete's minute ventilation increases dramatically. Define minute ventilation and explain how changes in tidal volume and breathing frequency contribute to this increase. (3 marks)
模拟试题（简答题）：在 400 米冲刺中，运动员的每分通气量急剧上升。请给出每分通气量的定义，并解释潮气量和呼吸频率的变化如何推动这一上升。（3 分）
Answer: Minute ventilation (V⁻E) is the volume of air inhaled or exhaled per minute, calculated as tidal volume x breathing frequency. During the sprint, tidal volume (depth of breath) increases to utilise more of the vital capacity, while breathing frequency can rise from around 12 breaths/min at rest to over 50 breaths/min.
答案：每分通气量（V⁻E）是指每分钟吸入或呼出的气体量，由潮气量 x 呼吸频率计算得出。冲刺时，潮气量（呼吸深度）增加以动用更多肺活量，同时呼吸频率可从安静时的约 12 次/分升至 50 次/分以上。
Key detail: At high intensities, the increased respiratory rate is less energy-efficient, but it provides the rapid gas exchange needed to buffer rising blood acidity.
关键细节：在高强度运动中，呼吸频率的升高虽然能量效率较低，但能提供快速的气体交换，以缓冲逐渐上升的血液酸性。
7. Principles of Training (SPORT/FITT) | 训练原则（SPORT/FITT）
Mock Question (4 marks): A 15-year-old wants to improve her 1500 m personal best. Using the FITT principle, describe how she should design her weekly training to apply progressive overload.
模拟试题（4 分）：一名 15 岁女生希望提高自己的 1500 米个人最好成绩。运用 FITT 原则，描述她应如何设计每周训练以实施渐进性超负荷。
Model answer:
Frequency: Start with three run sessions per week, progressing to four after two weeks.
Intensity: Use a heart-rate monitor to train at 70-80% of max HR; gradually increase speed during interval sessions.
Time: Extend long-run duration from 20 minutes to 35 minutes over a month.
Type: Include continuous running, hill reps and fartlek to maintain specificity while loading different energy systems.
Progressive overload is achieved when the training demand gradually exceeds the body's current capacity, forcing adaptation. No more than a 10% increase per week is advised to prevent overuse injury.
高分范例：
频度（Frequency）：最初每周安排三次跑步，两周后增至四次。
强度（Intensity）：使用心率监测器将训练强度维持在最大心率的 70-80%；间歇训练时逐步提高跑速。
时间（Time）：在一个月内将长跑时长从 20 分钟延长至 35 分钟。
类型（Type）：纳入持续跑、坡道重复跑和法特莱克跑，以在维持专项性的同时对不同供能系统施压。
当训练负荷逐步超出身体现有能力时即实现渐进性超负荷，迫使机体产生适应。建议每周训练量增幅不超过 10%，以防过度使用性损伤。
8. Nutrition and Hydration for Athletes | 运动员营养与补水
Mock Question (5 marks): A national-level triathlete is preparing for a competition lasting over two hours. Explain the role of carbohydrate loading in the days before the event and evaluate its performance benefits and potential drawbacks.
模拟试题（5 分）：一位国家级铁人三项运动员正在备战一场超过两小时的比赛。阐释赛前几天碳水化合物负荷法的作用，并评价其对运动表现的益处与潜在缺陷。
Role: Carbohydrate loading aims to maximise muscle glycogen stores. The athlete typically tapers training while consuming 8-10 g of carbohydrate per kg body mass daily for 2-3 days. Super-compensated glycogen stores can delay fatigue by providing a readily available glucose supply for aerobic respiration.
作用：碳水化合物负荷法旨在最大化肌糖原储量。运动员通常在 2-3 天内逐步缩减训练量并每天摄入每公斤体重 8-10 克碳水化合物。超量恢复的糖原储备可提供易得的葡萄糖用于有氧呼吸，从而延缓疲劳。
Benefits: Proven to extend time to exhaustion in endurance events; delays the reliance on fat, which is a slower fuel source.
益处：已被证实可延长耐力项目中的力竭时间；延缓对脂肪这一较慢燃料的依赖。
Drawback: Each gram of glycogen binds about 3 g of water, causing temporary weight gain and a sensation of heaviness, which may be psychologically unsettling. Some athletes also experience digestive discomfort.
缺陷：每克糖原约结合 3 克水分，导致体重临时增加和身体沉重感，可能对心理产生干扰。部分运动员还会出现消化不适。
Examiner note: To score full marks you must offer a balanced evaluation, mentioning both the performance benefits and the possible negative effects.
考官提示：要获满分，必须给出平衡的评价，既要提及对运动表现的益处，也要指出可能的负面影响。
9. Skill Classification and Feedback | 技能分类与反馈
Mock Question (3 marks): Classify a tennis serve along the environmental (open/closed) and difficulty (simple/complex) continua. Justify your classification.
模拟试题（3 分）：沿着环境（开放式/闭锁式）与难度（简单/复杂）连续体对网球发球进行分类，并陈述理由。
Answer: A tennis serve is predominantly a closed skill because it is self-paced with a stable, predictable environment; the server controls when to initiate the action. It is classified as a complex skill due to the high number of coordinated sub-routines—ball toss, backswing, pronation—and the need for precise timing.
答案：网球发球主要属于闭锁式技能，因为它是自定节奏且环境稳定、可预测；发球手可以控制何时启动动作。它被归类为复杂技能，因为包含大量需要协调的子程序——抛球、后摆、旋前——且对精准的时机要求很高。
Feedback question add-on: During practice, a coach provides verbal cues after each serve. Identify the type of feedback being used and suggest one advantage of this approach. (2 marks)
附加反馈题：练习中，教练在每次发球后提供口头提示。指出此处运用了何种反馈，并说明该方式的一个优点。（2 分）
Answer: This is extrinsic, terminal feedback. Advantage: it can reinforce correct movements while the feel of the action is still fresh, accelerating error correction.
答案：这是外在的、终末反馈。优点：可在动作感觉尚清晰时强化正确模式，加速错误纠正。
10. Sport Psychology: Arousal and Anxiety | 运动心理学：唤醒与焦虑
Mock Question (4 marks): Using the inverted-U theory, explain why an experienced footballer might underperform in a cup final despite high motivation.
模拟试题（4 分）：运用倒 U 理论，解释为何一名经验丰富的足球运动员尽管动机强烈，在杯赛决赛中依然可能表现不佳。
Answer: The inverted-U theory states that performance improves as arousal increases, up to an optimal point; beyond this, further arousal causes performance to decline. In a cup final, the combination of crowd pressure, high-stakes outcome and emotional intensity can push the athlete's arousal beyond the optimal zone into the 'over-arousal' phase. This leads to muscle tension, narrowed attentional focus and rushed decision-making, resulting in unforced errors even for an experienced player.
答案：倒 U 理论指出，运动表现随唤醒水平升高而提升，直至达到最佳点；超过该点后，唤醒继续上升反而会导致表现下降。在杯赛决赛中，观众压力、高利害结果和情绪强度的叠加可能将运动员的唤醒水平推至最佳区之上，进入“过度唤醒”阶段。这将导致肌肉紧张、注意范围狭窄和决策仓促，即便是经验丰富的球员也会出现非受迫性失误。
Alternative perspective: The catastrophe theory might also be mentioned for top marks – it suggests that once cognitive anxiety is high, performance can plummet suddenly rather than following a smooth inverted-U curve.
高阶视角：欲获满分还可提及突变理论——它指出当认知焦虑居高不下时，运动表现可能骤然崩溃，而非遵循平滑的倒 U 曲线。
11. Tackling the Extended 8-Mark Question | 攻克 8 分扩展题
Mock Question (8 marks): Evaluate the long-term adaptations of the cardiovascular system to regular aerobic training, and explain how these adaptations enhance performance in a distance running event.
模拟试题（8 分）：评价定期有氧训练对心血管系统的长期适应，并阐释这些适应如何提升长跑项目的运动表现。
High-scoring structure:
- Cardiac hypertrophy: The left ventricle wall thickens and chamber volume increases, elevating maximal stroke volume. This means more blood is ejected per beat, reducing the heart rate required for a given submaximal intensity.
- 心脏肥大：左心室壁增厚且心室腔容积增大，最大每搏输出量提高。这意味着每搏泵出更多血液，从而降低特定次最大强度下的所需心率。
- Resting heart rate bradycardia: Resting HR can drop below 50 bpm, reflecting greater efficiency and reduced myocardial oxygen demand.
- 安静心率过缓：安静心率可降至 50 次/分以下，反映出更高的效率与降低的心肌需氧量。
- Capillarisation: Increased density of capillaries around skeletal muscles enhances oxygen extraction and delivery.
- 毛细血管密度增加：骨骼肌周围的毛细血管密度提升，增强了氧的提取与运输。
- Increased blood volume and haemoglobin: Total blood volume expands, and red blood cell count rises, improving oxygen-carrying capacity.
- 血容量与血红蛋白增加：总血容量扩充，红细胞数量增加，携氧能力改善。
- Performance link: Together, these adaptations raise the athlete's VO₂max and lactate threshold, allowing the runner to sustain a faster pace with less physiological strain and delaying the onset of fatigue.
- 与运动表现的关联：这些适应共同提升运动员的最大摄氧量（VO₂max）和乳酸阈，使跑者能以更少的生理消耗维持更快配速，延迟疲劳的到来。
Evaluation: To reach the top band, the candidate must also acknowledge that the magnitude of adaptation is influenced by training frequency, intensity, mode and genetic factors, and that overtraining can reverse some benefits.
评价：欲进入最高评分段，考生还应指出适应的程度受训练频率、强度、模式和遗传因素的影响，并提及过度训练可能逆转某些收益。
12. Common Mistakes and Examiner Tips | 常见错误与考官建议
Based on examiner reports, these errors repeatedly cost marks: (1) confusing protection roles of bones—the cranium shields the brain, the rib cage protects the heart and lungs, not vice versa; (2) using non-technical language, such as 'core' instead of 'abdominal muscles and erector spinae'; (3) miscalculating cardiac output by forgetting to state units or converting ml to L incorrectly; (4) discussing 'lactic acid' buildup without linking it to fatigue mechanisms; (5) failing to justify classifications in skill acquisition, offering vague labels without reasoning.
根据考官报告，以下错误反复导致失分：(1) 混淆骨骼的保护功能——颅骨保护大脑，肋笼保护心肺，切勿张冠李戴；(2) 使用非专业用语，如用“核心”代替“腹肌与竖脊肌”；(3) 计算心输出量时忘写单位或毫升与升单位换算错误；(4) 讨论“乳酸”堆积却未关联疲劳机制；(5) 技能习得分类时只给出模糊标签，未说明理由。
Top tips: Read the command words carefully—'explain' requires a causal chain, 'evaluate' demands both strengths and limitations. Underline key physiological terms in your answer to help the examiner locate marks. Finally, manage your time: always leave 5 minutes to check calculations and spellings.
核心建议：仔细审题——"explain" 要求给出因果链条，"evaluate" 则必须提及优势与局限。作答时在关键生理术语下划线，便于考官定位给分点。最后，合理分配时间：务必留出 5 分钟检查计算与拼写。
Published by TutorHao | Physical Education 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