Unit 1  Public signs
(Period 1)
                     Angel
Be quiet!（保持安静）
We should （应该）keep quiet.
＝Keep quiet!
We shouldn’t make noise（发出噪音）.
＝should not（不应该）
public sign
　公共标志
Time for class.

public signs   公共标志

We always （总是）see them at the public places.
                                                    　在公共场所
They mean(意味着) different things.
　　　它们意味着不同的意思。
Read and match:
　What does it mean?它表示什么意思？
 Keep off the grass
 Be quiet
 Danger

禁止践踏草坪
keep off  （使）不接近








危险
保持安静
=  Keep quiet
A: What does it mean?     B: It means “…”
glass
cousin 堂（表）兄弟
Jack 杰克
He is only（只有） four years old.
　　　　　　　　　　　　　　　　四岁
   Today is Saturday. Ben and his cousin, Jack, are in the park. Jack is only four years old but he always has a lot of questions. He sees some public signs in the park. He is asking Ben some questions about them.
总是
问题
always
questions
ask
问
周六
Watch and answer:
1.How many public signs are they talking about?
2.What public signs are they?
1.How many public signs are they talking about?
Watch and answer:
Three.
2.What public signs are they?
1
2
3
4
5
 on the birds’ cage
鸟笼
Read and find:
        Where are the signs?
 on the grass
 　
　　在草地上
 on the wall
 　
　　在墙上
          stay away from it
必须远离它
 Read and underline:
    What should/shouldn’t we do?
　　　　我们应该/不应该做什么？
should
must
stay away from …   远离……
shouldn’t make noise
 should keep off the grass
 shouldn’t walk on the grass
 shouldn’t  go in （进去）
should keep quiet
Read and fill in the form:
Public signs
mean
should/shouldn’t
Danger
should stay away
 from it
Keep off the grass
shouldn’t walk on
the grass
Be quiet
shouldn’t make noise
Now we know a lot about public signs.
　　　　　　知道许多关于……的知识
A: Look at this/that sign.
B: OK.
A: What does it mean?
B: It means “…”
A: What should/shouldn’t we do?
B: We should/shouldn’t …
A: I see.

Listen and repeat
There are a lot of signs here, Ben.
Yes. They’re public signs. They mean
different things.
There’s a sign on the wall. What does
it mean?
It means “Danger”!
Can I go in?
No, you can’t. You must stay away
from the building.
Listen and repeat
There’s a sign on the grass. What
does it mean?
What does that mean?
It means we shouldn’t  walk on the grass.
It means ‘ Be quiet ’! We shouldn’t make
noise here.
It means “Keep off the grass”!
The sign on the bird’s cage is interesting.
What does it mean?

cage   笼子

Now I know a lot about the public
signs. Thank you, Ben.
public      signs
mean
shouldn’t
stay       away
　be        quiet
Public signs help the society more regular!
Homework:
1.Read the text after the tape.
2.Finish the passage on page 7
3. Collect more public signs from the Internet, draw some and try to figure out their meanings.
Example:
Look at this public sign.
What does it mean?
It means we shouldn’t fish here.
See you!