摘要： (出示图片.师生问答.引入1a.) (1) (教师出示一幅消防员的图片.师生问答.) T: What does he do? Ss:He is a firefighter. T: How can you guess he is a firefighter? Ss:He is wearing a special coat and a helmet. T:You are very clever. (2) (教师出示一幅士兵的图片.师生问答.) T: What does he do? Ss: He is a soldier. T: How can you guess he is a soldier? Ss: He is wearing green clothes. T: You are smart. T: Well, firefighters wear special coats and helmets, and soldiers wear green clothes. So we can say: different jobs, different uniforms. firefighter, soldier, different jobs, different uniforms

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