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北师大2003课标版《Lesson 4 Car Culture》PPT课件优质课下载
enjoy the life
convenient
Traffic jams
traffic accident
carbon monoxide
save time
a poisonous gas
produced by
the engines of vehicles.
Is it good or bad ?
traffic pollution
air pollution
global warming
climate change
deaths
Road to
Destruction
Problems caused by using cars:
Problems
Reasons
Effects
Deaths in road accident
_____________________________
Car engines produce
_____________