📚 IGCSE Biology: Ace Multiple Choice Questions | IGCSE 生物：选择题秒杀技巧
Multiple-choice questions in IGCSE Biology may appear straightforward, but they are often designed with distractors to test your depth of understanding. Mastering a set of smart strategies can help you avoid traps and answer quickly and accurately. This guide shares ten proven techniques to boost your MCQ performance.
IGCSE生物选择题看似简单，但往往设有干扰项来考察你的理解深度。掌握一套聪明的解题策略，可以帮助你避开陷阱，快速准确作答。本指南分享十种经过验证的技巧，助你提升选择题成绩。
1. Understand Command Words | 理解指令词
Each question contains a command word that tells you what the examiner wants. Common ones include “state”, “describe”, “explain”, “suggest”, “identify”, and “calculate”. In MCQs, the correct option must align with that command.
每道题都包含一个指令词，告诉你考官想要什么。常见的包括 “state”、”describe”、”explain”、”suggest”、”identify” 和 “calculate”。在选择题中，正确选项必须与这个指令词一致。
For instance, if the question asks “Which statement explains why the heart has valves?”, options that merely describe the structure of valves are insufficient. You need the option that gives a reason — “to prevent backflow
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