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There are many busy roads in Xuzhou .
a road
a zebra crossing
traffic lights
Can they cross the road now? Why?
过马路
stop
go
wait
Red man
Green man
Yellow man
traffic lights
Red man means we mustn’t cross the road now.
Green man means we can cross the road now.
must 必须
mustn’t 禁止
To stay safe, we must follow the rules.
keep
（安全的）
（规则）
watch the cartoon
How can you cross the road safely?
First…，then…
First, you must look for a _______ _______. Then, you must look at the ______ ______ and wait for the ______ _______.
Can you find any differences between the roads?
（不同）
a zebra crossing
no zebra crossing
How can he cross the road safely?