• 教学目标：

1. 能听懂，会说，会读air, smoke, rubbish, messy, dead, move...away from, bin,plant,more
2. 掌握四会单词keep，clean，make，dirty
3. 初步了解句型What makes...dirty/messy?...make(s)...dirty/messy.以及What can we do to...?We can...
4. 树立环保意识，践行环保理念。

• 教学重点：

1. 初步了解句型What makes...dirty/messy?...make(s)...dirty/messy.以及What can we do to...?We can...
2. 本课中四会及三会单词的正确读音

• 教学难点：

  能运用所学词句复述或表演课文章节

• 教学过程：

Step 1 Lead-in

1. Enjoy a song: Two little blackbirds
2. Free talk:

 Do you like birds?

What birds do you know?

Can you see any birds in our city?

Why no birds here?

3. 揭示课题：Keep our city clean?

Step 2 presentation and pratice

1.创设情境，文明城市创建在行动，你想参加吗？出示要求：

（1）Know what makes our air dirty.

（2）What can we do to keep our city clean?

（3）Finish the proposal

2.What makes our city dirty?

（1）出示动画，让学生去说

（2）阅读文本，填写完整

  1. __________________________makes the air dirty.

   ___________________________makes the air dirty too.

  2.__________________________makes the streets dirty.

  3. __________________________makes the fish dead.

1. 在核对答案时教学单词：smoke，air，messy，rubbish，dead
2. Read after the tape
3. 检查学生掌握的情况：Ask and answer
4. 城市污染对我们的危害有哪些？Be sickness，no clean water to drink , no fish to eat...

3. What can we do to keep our city clean?

1. Read and find

Keep the air clean？Keep the streets clean？Keep the river clean？

教学生词：move...away from, bin, plant  more

 （2）What else can we do?

 （3）Read after the tape.

 （4）Think and write

4.Finish the proposal

 Dear friends:

Our city is not clean now.________________makes the air dirty. ______________________makes_________________________dirty. _____________________________________________________.

To keep our city clean, we can__________________________.

_______________________________________________________.

_______________________________________________________.

 Protecting the environment(环境) is everyone ’s duty (保护环境，人人有责).Let's do it right now.

                                      

Step 3 Homework:

1. 1.Read your proposal to your parents and other people.
2. To be a vonlenteer,to keep our city clean.