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Brainstorm(头脑风暴)
We should get rid of (改掉)
bad habbits and behave well in public places .
在公共场所
public ['p?bl?k]
adj. 公众的；政府的；
公用的；公立的
n. 公众；社会；公共场所
We shouldn’t make a noise in the library.
How can we behave politely in public?
[b?'he?v]表现,举止
We should keep quiet/ keep our voice down in the library.
We shouldn't push in before others.
We should queue for our turn..
Pre-listening Watch a video
Did the man behave well? Why?
We should warn him not to… [w??n]
notice the sign 注意标志牌
warn vt. & vi. 警告，告诫
warn sb. (not) to do sth.
警告某人（不要）做某事
Public signs
公共标志
Signs around us
keep…safe from danger
They warn us not to do sth.
These are all warning signs.
warn [w??n]vt.
警告，告诫;通知;预告
vi. 发出警告