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展示良好的风纪
保护...免受...的伤害
看起来很庄重
怎样驾驶飞机
从他或她那儿获得帮助
阻止疾病传播
在我们的日常生活中
Read 1a again and complete the table.
Job
Uniform
Purpose
student
to protect themselves from heat and falling ceilings
green clothes
official
pilot uniforms
to let us know we can get help from them
doctor
school uniforms
to show good discipline
firefighter
special coats and helmets
to make us believe that they know how to fly the plane
airline pilot
police officer
to make patients find them easily and to stop the spread of diseases
to make themselves look important
soldier
to protect themselves in the forest
official uniforms