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3. Have a sense of adverbial clauses of condition:
If people obey the traffic rules, there will be fewer accidents.
4. Talk about the advantages of riding bikes.
Ⅱ. Teaching aids 教具
教学图片/录音机/小黑板/幻灯片
Step 1 Review 第一步 复习(时间: 5分钟)
复习交通方式并导入1a。
(师生问答，复习交通方式。)
T:Hi, Class! I’ll ask you some questions. S1, how do you usually come to school?
S1:I usually go to school by…
T:Why do you go to school by…?
S1:Because…
(教师反复询问，了解更多学生的上学方式及原因。然后教师点评，为导入下一步做铺垫。)
T: Yes. There are many ways to go to school. But I think the best way to go to school is by bike or on foot. Because cycling and walking save energy and they don’t cause pollution.(教师板书pollution，并写出汉语。)Do you agree with me? You should be careful while you’re riding bikes. Do you still remember these traffic signs? (展示图片) We should obey the traffic rules while were riding bikes .
If we don’t obey the traffic rules ,we may have traffic accidents. /be in danger
Step 2 Presentation 第二步 呈现(时间: 10分钟)
呈现1a教学生词，解决疑难点并完成1c。
出示载有乘客的公汽图片
T：Please look at the picture. What can you see in it ?Ss……..
T：Where are they？Ss……….
T: Yes. They are on a bus. So we call them passengers.(板书)
Let’s go learning some new words.(幻灯片11 12)
2. (教师表演不小心撞在桌上这一动作。)
T:I hit the desk just now. Boys and girls, do you know the meaning of “hit”?
S1:…
T:You’re quite right! If a car hits another car, what will happen?
Ss:There will be a car accident.
T:Please look at this picture. How terrible!
What can you see in this picture?Picture 2
Ss:I can see two broken buses./I can see a bus hit another bus.