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T: Before the new lesson, Let’s a sing. (Hello, How are you?)
Ss: The students sing the songs。
Leading In
T: Let’s watch a video.
T:What happened in the video ?
Ss: The students answer my question.
T: Yes, We should obey the traffic rules , So we must be careful .(Chinese means 小心)Today we will learn Unit 7 Be careful.
四、Learning Aims
T: At first, please look at learning aims.
Ss: The student read Chinese.
Let’s learn
T: What are these ?
Ss: 交通灯（traffic lights）
T:They are traffic lights .They are red ,yellow ,and green.
T:The light is red, please stop.
The light is yellow ,please wait.
The light is green, please cross the street.
T: Let’s learn new words。
Traffic light
stop
T: What is this ?
Ss: It’s a red light.
T:The light is red ,please stop.
wait:
T: What is this ?
Ss: It’s a yellow light.
T:The light is yellow ,please wait.
4.cross the street
T: What is this ?
Ss: It’s a yellow light.