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造成空气污染
a traffic accident
be/get hurt
obey the traffic rules
save energy
cause air pollution
More people in China use bicycles because
bicycles ______very little.
bicycles need _______ space than cars.
cycling doesn’t cause ______ _______.
cycling is a___________
Cycling is
____________
cost
less
air pollution
useful sport
good for our health
The advantages of riding bicycles:
ask about
have an accident
badly hurt
send…to the hospital
call 120 at once
Bike accident:
What should we do to
avoid the bike accident
to keep safe ?
Listen to 1a and complete the sentences.
4.We should learn more _____ ______.