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adj.---suitable
wear business suits
adj.---impolite
wear hats in class
1、学习本课生词，短语及课文。
2、了解It’s+adj+for sb to do sth和It’s+adj+of sb to do sth区别。
3、了解不同职业的不同着装及其重要性。
firefighter
n.消防人员
a special coat
a helmet
Firefighters wear special coats and helmets to protect themseleves from heat and falling ceilings.
ceiling
n.天花板，顶棚
n.温度；热
v.把......加热
soldier
n.士兵，战士
officer
n.警官，军官，官员
airport
n.航空站，飞机场
Look at the pictures and discuss the following questions with your partner. Then read and compare your opinions with the writer's.
1.What are the functions of uniforms?
2.How many kinds of uniforms are there in the text? What are they?
n.正文，文本
Read 1a again and complete the table.
Job
Uniform
Purpose