课件24张PPT。Unit 6 Topic 3
Bicycles are popular.
Section B学习目标：
1.识别交通标志。
2.了解交通规则。
3.学习并使用条件状语从句。Step1 : New words:helmet /’helmlt/ n. 头盔
light-colored adj.浅色的，淡色的
fine n. &v.罚款
crossing n. 十字路口
warn v. 警告
motorcycle n. 摩托车
Britain n. 英国，不列颠
left-hand adj. 左手的；左边的
trouble n.问题，麻烦get a fine 被罚款warn sb. (not) to do sth.
警告某人(不要)做某事Fill in the blanks:
I’m sorry to t______ you. Can you heip me with the problem?
If we break the traffic rules, we may get a f____.
Be careful! There is a c______ ahead .
My mother often w______ me not to swim in the river.
If you ride your m_______ on the street, please be more careful.roubleotorcyclearnsrossingine我能行！Go straight aheadTurn rightNo parkingStep 2: Traffic signs:Who can tell us?Red means _____
Green means____
Yellow means “wait”. Crossing
It warns us to be more _______.stopgocarefulTraffic lightsDanger No left turnIt’s dangerous.You can’t turn left here.Finish 1b.Check your answers:
stop go careful
Step 3. Listening: Listen to 1a and answer the questions:
1.What does the dialog talk about?
A. the traffic accident
B. the traffic rules
C. cycling
2. Where did they go to learn the traffic rules?
A. a traffic station
B. a school
C. a library
BAWhere did the accident happen (发生)?
Why did the accident happen(发生)?
What should we wear when we ride at night?
3. If we break the traffic rules, what will we do ?Read the dialog, answer the following questions:In Caishikou Street. Because the young man on the bicycle was very careless. We should have lights on the bicycle or wear light- colored clothes.We may get a fine and even be in danger.Read again and answer: What should we do if we ride our bicycles? We should never ride too fast.
We can wear bicycle helmets when riding.
If we ride at night, we should have lights on the bicycle or wear light- colored clothes.
If we break the traffic rules, We may get a fine and even be in danger.
Pay attention to the two sentences, then find out the rules:1. If we ride at night, we should have lights on the bicycles or wear light-colored clothes.
2. If we break the traffic rules, we will get a fine and even be in danger.
“if”表示“如果，假如”；引导条件状语从句。在条件状语从句中，主句是一般将来时，祈使句或含有情态动词，从句常用一般现在时． “if”表示“如果，假如”；引导条件状语从句。在条件状语从句中，主句是一般将来时，祈使句或含有情态动词，从句常用一般现在时．
Eg: 1) 如果明天天气好，我们就去公园。
2) 如果灯是红色的，你必须停。
3) 如果你知道答案，请举起你的手。
If it’s fine tomorrow, we will go to the park.
If the light is red , you must stop .
Please put up your hands，if you know the answers . Step 4 Make sentences with “if”. 1. break the rules, get a fineIf we break the rules, we will get a fine.2. cross a busy road, be in dangerIf we cross a busy road, we will be in danger. Make sentences with “if”.
3. make a wrong turn, cause troubleIf you make a wrong turn, you will cause trouble.4. not drive carefully, get hurtIf you don’t drive carefully, you will get hurt.1.If you ride at night ,
2.If you ride your motorcycle on the street,
3.If you drive a car in Britain,
4.If you drive too fast,
5.If everyone obeys the traffic rules,
a. you must be careful.
b. you may have an accident.
c. the roads will be safer.
d. you must drive on the left-hand side of the road.
e. you should have a bike light or wear light-colored clothes.Step 5. Match the sentences.Pay attention to these points:
1. get a fine 罚款
2. be in danger处于危险之中
3. warn sb (not) to do sth
告戒某人（不要）做某事
Exercises:
1.If it is sunny, we ____ out for a picnic.
goes B. went C. will go D. go
2. We warned him ____in the river . It’s too dangerous.
to swim B. not swimming
C. not to swim D. not swim
3.Don’t push when there are too many people ,or you will be ____.
in dangerous B. danger
C. dangerous D. in danger
CCD4.We’ll have to stay at home ___the snow doesn’t stop.
A.after B. if C. before D. while
5.---What will you do tomorrow?
----I’ll go to the park if it___ fine.
be B. will be C. is D. was
6.If everyone ___the traffic rules, the roads will be safer.
obeys B. break C. obey D. breaks
7.Which sign means you can’t turn right here?____
BCACA B C DStep 6 Writing: discuss
What should we do to make the roads safer?1. We should know about the traffic signs
2. We should ride on the right-hand side of the road in China .
3.We shouldn’t ride too fast on the road.
4. If the light is red , we must stop.
5. We should wear bicycle helmets when riding.
6. We should wear safety belt (安全带） when we drive.Goodbye
