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人教版 一年级起点 四年级上
Unit 5 Safety
Lesson 2
lead in
Dangerous? Safe?
Presentation
Father: Be careful! Use the sidewalk.
Policeman: Please wait for the green light. It’s safe.
Man: Ok! Thank you.
Presentation








sidewalk 人行道
? [?sa?dw?:k]

side n 侧面；边
Please use the _______.










Presentation
Father: Be careful! Use the sidewalk.
Policeman: Please wait for the green light. It’s safe.
Man: Ok! Thank you.
Presentation

wait for 等待
?[we?t]

ai 字母组合: mail, tail, rain, train
Please ______ me at the bus stop.
Presentation
green 绿色的
??[ɡri?n]

短语： green trees 绿色的树
green light 绿灯
联想：red 红色 blue蓝色 white 白色的
I like that ______ shirt.
Presentation

safe 安全的
?[se?f]

safety n 安全
形近：save 挽救
Please wait for the green light. It’s _____
A: Be careful! Please _______________________. It’s safe.

B: Ok! Thank you.
Practice
wait for the green light
A: Be careful! _______________________. It’s safe.

B: Ok! Thank you.
Practice
use the sidewalk
A: Be careful! Don’t _______________________. It’s safe.

B: Ok! Thank you.
Practice
play football in the street
A:_____________________________

B: Ok! Thank you.
Practice
The light is green. Please go.
A: _______________________. It’s dangerous.

B: Ok! Thank you.
Practice
Don’t read in the street
Consolidation
你能看图写出句子吗？

_____________________________ ____________________________________
Use the sidewalk.
Wait for the green light.
Consolidation
你能将对话补充完整吗？请将序号填在题中横线上。

A. Wait on the sidewalk for the green light.
B. Be careful.
C. Don’t cross the road.

Father: Tom.（1）_________ The light is red. （2）____________
Tom: Ok!
Father: Don’t play on the road. （3）_______________ It’s safe.
Tom: Thank you, dad.
B
C
A
谢谢
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