📚 IGCSE CAIE Philosophy: Unit Test Mock Paper Explained | IGCSE CAIE 哲学：单元测试模拟卷解析
This mock paper walkthrough covers the most common CAIE IGCSE Philosophy question types, including knowledge, reality, religion, ethics, free will and personal identity. For each question, the commentary explains what examiners expect and how to turn a basic answer into a high-mark evaluation.
这套模拟卷解析涵盖 CAIE IGCSE 哲学最常见的题型，包括知识、实在、宗教、伦理、自由意志和人格同一性。每个题目都会说明考官希望看到什么，以及如何把基础答案提升为高分评价。
1. Exam Structure and Command Words | 考试结构与指令词
CAIE IGCSE Philosophy papers usually contain short-answer questions that test precise knowledge and longer questions that require evaluation of philosophical claims.
CAIE IGCSE 哲学试卷通常包含测试精确知识的简答题和要求评价哲学主张的长题。
Command words are the best guide to depth. Words such as ‘state’ and ‘define’ need only a concise answer, while ‘explain’, ‘compare’ and ‘evaluate’ require developed reasoning and examples.
指令词是判断答题深度的最好指引。’陈述’和’定义’只需要简洁答案，而’解释’、’比较’和’评价’则需要展开推理并举例。
| Command Word | Meaning |
|---|---|
| State | Identify briefly / 简要指出 |
| Define | Give a precise meaning / 给出精确含义 |
| Explain | Show how or why / 说明如何或为何 |
| Compare | Show similarities and differences / 说明相似与差异 |
| Evaluate | Judge strengths and weaknesses / 判断优点与缺点 |
2. Question 1: Defining Knowledge | 第1题：知识的定义
A typical 3-mark question reads: “Define knowledge as justified true belief and give one example.”
一道典型的3分题是：”将知识定义为得到辩护的真信念，并给出一个例子。”
The standard answer states that knowledge has three conditions: belief, truth and justification. You know that p only if you believe p, p is true, and you have good reasons or evidence for p.
标准答案指出知识有三个条件：信念、真和辩护。只有当 p 为真、你相信 p、并且你有充分的理由或证据支持 p 时，你才知道 p。
Many candidates forget that truth is objective: if a belief is false, it cannot count as knowledge even if the person feels certain.
许多考生忘记真具有客观性：如果一个信念为假，即使当事人非常确定，它也不能算作知识。
Use a concrete case, such as a stopped clock showing the correct time by luck, to explain why justification matters.
用一个具体例子，比如一个停了的钟碰巧显示正确时间，来解释为什么辩护很重要。
3. Question 2: Plato’s Cave and Reality | 第2题：柏拉图的洞穴与实在
A possible question is: “Explain how Plato’s allegory of the cave supports the distinction between appearance and reality.”
可能的题目是：”解释柏拉图的洞穴寓言如何支持表象与实在的区分。”
The allegory describes prisoners chained in a cave who see only shadows on a wall and mistake those shadows for reality.
这个寓言描述了一些被锁在洞穴中的囚犯，他们只能看见墙上的影子，并把影子误认为实在。
When a prisoner escapes, he first suffers from the light, but gradually he sees the sun and understands that the previous world was mere appearance.
当一个囚犯逃出洞穴时，起初他会因光线而痛苦，但逐渐他看到太阳，并明白以前的世界只是表象。
In an IGCSE answer, link the sun to the Form of the Good and the shadows to sensory illusion, showing why Plato thinks true knowledge requires reason rather than the senses.
在 IGCSE 答案中，要把太阳与善的理念联系起来，把影子与感官幻觉联系起来，说明柏拉图为什么认为真知识需要理性而不是感觉。
4. Question 3: Cosmological Argument | 第3题：宇宙论论证
A typical question asks: “Explain two strengths of the cosmological argument for the existence of God.”
典型题目会问：”解释宇宙论论证支持上帝存在的两个优点。”
The argument says that every event has a cause, so the universe must have a first cause, which believers identify as God.
该论证认为每个事件都有原因，所以宇宙必定有一个第一因，信徒将其认定为上帝。
One strength is that it appeals to our everyday experience of cause and effect, making it intuitive and easy to grasp.
一个优点是它借助我们日常的因果经验，因此直观且容易理解。
Another strength is that it offers a rational explanation for why there is something rather than nothing, instead of merely asserting religious faith.
另一个优点是它为”为什么有事物而不是空无”提供了一种理性解释，而不是仅仅断言宗教信仰。
For balance, also mention the weakness that the argument assumes every event needs a cause, but quantum physics may show uncaused events.
为了平衡，还要提到其弱点：该论证假设每个事件都需要原因，但量子物理学可能显示存在无原因的事件。
5. Question 4: Utilitarianism in Ethics | 第4题：伦理学中的功利主义
A scenario question asks: “Should a doctor lie to a patient to reduce distress? Evaluate this using act utilitarianism.”
情景题会问：”医生应该对病人撒谎以减少痛苦吗？用行为功利主义评价这一行为。”
Act utilitarianism says an action is right if it produces the greatest happiness for the greatest number.
行为功利主义认为，一个行为如果能为最大多数人带来最大幸福，就是正确的。
In the doctor case, lying may reduce the patient’s immediate anxiety, but it can damage trust and lead to worse long-term consequences.
在医生案例中，撒谎可能减少病人眼前的焦虑，但会损害信任，并导致更糟的长期后果。
A strong answer calculates the likely consequences for all affected people, such as the patient, family and medical staff, rather than judging only the doctor’s intention.
好的答案会计算对所有相关者可能产生的后果，例如病人、家属和医务人员，而不是只判断医生的意图。
Use hedonic units or at least speak of pleasure and pain, happiness and suffering, to show command of utilitarian language.
使用快乐单位或至少提到快乐与痛苦、幸福与苦难，以显示你掌握了功利主义术语。
6. Question 5: Kantian Duty Ethics | 第5题：康德义务伦理
A parallel question says: “Explain how Kant’s categorical imperative would assess the same doctor’s lie.”
类似题目说：”解释康德的定言命令会如何评价同一个医生的谎言。”
Kant argues that moral actions must be universalisable and must treat persons as ends, never merely as means.
康德认为，道德行为必须可普遍化，并且必须把人当作目的，而绝不仅仅当作手段。
If everyone lied whenever it was convenient, the practice of promising and trusting speech would collapse, so lying fails the universal law test.
如果每个人在方便时都说谎，承诺和信任话语的实践就会崩溃，因此说谎不能通过普遍法则的检验。
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