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Pre-listening
public signs 公共标志
explain 解释
warn 警告,告诫
warn sb. not to do sth. 警告某人不做某事
parking停车
smoking
littering乱丢杂物
photos
No … 禁止….
Pre-listening
It means….
What does it mean?
smoke
park
drop litter
take photos
We shouldn’t…
Help us find our way
Tell us about the places around us
Keep us safe from danger
Warn us not to do something
A
B
C
D
E
F
G
H