📚 Year 10 CCEA Engineering: Exam Technique and Marking Criteria | Year 10 CCEA 工程：答题技巧与评分标准
Mastering exam technique is just as important as knowing the subject content in CCEA Engineering. This guide breaks down the mark schemes, command words and answer structures you need to maximise your marks in Year 10 assessments and future exams.
掌握答题技巧与掌握学科内容同样重要。本指南将详细解析CCEA工程考试的评分方案、指令词和答题结构，帮助你在Year 10测验及未来考试中获得最高分。
1. Understanding CCEA Assessment Objectives | 理解CCEA评估目标
CCEA Engineering exams are built around three Assessment Objectives (AOs). Knowing their weighting helps you decide how much detail to include and which skills to emphasise. AO1 (30%) tests knowledge and understanding of engineering principles, materials, processes and systems. Questions often begin with 'State', 'Name' or 'Identify' and require short, precise definitions or lists. For example, you might be asked to state two properties of mild steel or identify a manufacturing process from a diagram.
CCEA工程考试围绕三个评估目标（AO）展开。了解它们的权重有助于你决定答案的详细程度和应突出的技能。AO1（占30%）测试你对工程原理、材料、工艺和系统的知识与理解。这类问题通常以“陈述”“命名”或“识别”开头，要求给出简短、准确的定义或列表。比如，你可能需要陈述软钢的两个性质，或者从图中识别一种制造工艺。
AO2 (50%) is about application – using your knowledge to solve problems in given contexts. You may be presented with a product or a scenario and asked to select a material, choose a process or explain why a component is designed in a certain way. Your answer must link engineering principles to the specific situation. Because AO2 carries the most marks, invest time here to develop clear, contextualised explanations.
AO2（占50%）关乎应用——在给定情境中运用知识解决问题。你可能会看到一个产品或场景，然后需要选择材料、确定工艺或者解释某个部件的设计原因。你的答案必须将工程原理与具体情境联系起来。由于AO2分值最高，应在此投入时间，给出清晰且切合情境的解释。
AO3 (20%) requires analysis and evaluation. Typical command words include 'Analyse', 'Evaluate', 'Compare' or 'Justify'. You need to weigh up alternatives, discuss advantages and disadvantages, and reach a supported conclusion. High AO3 marks depend on using technical evidence to back up your judgement – never simply state an opinion without reasoning.
AO3（占20%）要求分析与评价。常见的指令词包括“分析”“评价”“比较”或“证明”。你需要权衡不同方案、讨论优缺点并得出有依据的结论。要获得高AO3分，必须用技术证据支撑你的判断——切勿仅陈述观点而无推理。
2. Decoding Question Command Words | 解读题目指令词
Every question uses specific command words that tell you exactly what the examiner expects. Misinterpreting a command word is one of the biggest reasons students lose marks. The table below summarises the most common ones and their requirements, with both English and Chinese explanations.
每道题都会使用特定的指令词，明确告知考官的期望。误读指令词是学生失分的主要原因之一。下表总结了最常见的指令词及其要求，附有中英文解释。
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