八年级英语下册Unit 6 Topic 3 Section B 教学设计

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公开课教案 Section B needs 1 period. Section B需用1课时。

The main activities are1aand 3. 本课重点活动是1a和3。

Ⅰ. Aims and demands 目标要求

1. Learn some new words:

  warn, motorcycle, trouble

2. Go on learning the usages of adverbial clauses of condition:

If we ride at night, we should have lights on the bicycle or wear light-colored clothes.

If we break the traffic rules, we will get a fine and even be in danger.

3. Talk about traffic rules, signs and warnings.

Step 1  Review

复习Section A的重点话题，并导入1a。

1. (复习Section A中呈现的骑自行车的好处。)

T: We’ve learnt lots of advantages in riding bicycles in Section A. Let’s review it.

(教师让学生思考片刻，随意抽查几名学生，说出骑自行车的好处，对说得又多又准的学生给予奖励。)

S1: It saves money and energy. It doesn’t cause air pollution.

S2: …

…

2. (检查在Section A中布置的家庭作业，即写出预防交通事故的建议。)

T:  Very good! You did a good job. Now it’s time to check your homework. I want to see how many suggestions you made. S1, can you try?

S1: We should…

T:  How about you, S2?

S2: …

(教师板书学生提及的建议，并给予评价。导入1a。)

T: I’m very happy you have made so many good suggestions. And I think there may be more suggestions. Do you want to know? Let’s learn1a. You’ll get them.

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Step 2  Presentation

呈现1a并讲解。
1. (教师利用实物或图片引出要求学生理解的单词。)
T:  (出示头盔的实物或图片。)What’s this?
Ss: It’s a helmet.(教师适当帮助说出。)
T:  What do we use it for?
Ss: We use it to…(老师说出protect our heads。)
              (用同样的方法学习light-colored clothes。)
T: Traffic accidents are really terrible. We should also know more about the traffic rules. If we don’t obey them, what will happen? Can you guess?
S1: Cause traffic accidents.
S2: Lose our lives.
S3: Get hurt.
…
(学生可能会用中文说出要被罚款，教师及时教学fine。)
T: Yes. We’ll also get a fine.
(板书并教学生词，要求学生理解。)

helmet, light-colored, fine

Step 3  Consolidation

巩固1a，完成1b。
1. (教师放1a的录音，让学生跟读。)
T: Listen and follow the tape.
(也可让学生进行人机对话。)
(两人一组，根据黑板上的关键词，不看课本，自由操练1a。)
T: Work in pairs, look at the key words on the blackboard and practice the dialog.
(教师时刻关注学生动态，及时帮助有困难的同学，保证每位同学积极参与。)
(板书)

bicycle accident—terrible—careless—bike lights—light-colored clothes—break—traffic rules—fine

(几分钟后，选几组学生看关键词, 自由表演对话。)
T: Time is up. Come to the front and act out the dialog. Be brave! Don’t be shy. Which pair wants to have a try?
…
T: Well done! You did a very good job!(对学生给予鼓励和肯定。)

Step 4  Practice

完成2和4，并讨论3。
1. (教师组织课堂活动，引导学生独立完成2。)
T:  Now you know so many traffic signs, and will you follow them when you see them? I hope all of you will obey the traffic rules. If everyone obeys the traffic rules, the road will be safer. Do you think so?
S1:      Yes, of course.
T:  If you ride at night, what should you do?
S1:      I should have lights on the bicycle or wear light-colored clothes.
T:  If you ride on the street, what should you wear?
S2:      If I ride on the street, I should wear a bicycle helmet.
(教师尽可能地给出多种假设或条件，让同学们试着用条件状语从句来说句子。然后总结条件状语从句的用法，提醒学生条件状语从句中动词的时态。最后让学生独立完成2。要求学生掌握motorcycle；理解Britain；了解left-hand。)
2. (教师指导学生讨论，要求学生掌握trouble。完成3。)
T: Please look at these pictures, discuss the results of breaking the traffic rules using “if” in groups and then I’ll choose some students to report.
3. (放4的录音，完成4。)
T: Today many people like riding bicycles in the world. Why? Please listen to 4 and fill in the blanks.
(核对答案。)

Step 5  Project

综合探究本课重点话题。
1. (教师和全班同学一起复习所学的交通规则，并将其准确归类，看哪些行为是可行的，哪些是不可行的，列成表格。)
T:  Boys and girls, let’s review the traffic rules together, OK?
Ss: OK.
T:  First let’s find out what we should do and what we shouldn’t do.
(板书)

What we should do	What we shouldn’t do
obey the traffic lights	rush on the street
obey the traffic signs	park in the wrong places
drive/walk…on the right-hand side of the road	…
…	…

清醇茶友

很好