1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
3.增强环保意识，从小事做起
教学步骤：
Step1: Free talk
1、A lot of teachers come to our school.Some of them are from a beautiful city Yixing. What city are we from? (Liyang)
2、Enjoy some pictures of Liyang. What do you think of Liyang?( It’s a clean and nice city.)What is clean in our city?(teach: air)
3、Is our city always clean? No, it’s dirty.(teach:dirty) Talk : What is dirty? The air/ streets / river/...is/are dirty and messy.
4、Sum: In fact, sometimes in some places,our city is very dirty. Do you like the dirty city? What should we do? We should keep our city clean.
揭题： Keep our city clean
Step2:Presentation
Miss Li and her students are talking about this topic,too.
Look at these pictures of their city. What is dirty in their city?
What questions are they talking about? Watch the video and try to remember them.
Now focus question1, What makes the city dirty?
(1)Read the passage on page58, underline the answers.
(2)check the answer: What makes the air dirty?
What makes the streets messy and dirty? ( teach: rubbish)
What makes the river dirty? ( Rubbish makes the river dirty. The water is dirty. So the fish are dead.)
Do you know what makes the city dirty. (根据学生回答完成板书）
Talk: Except smoke and rubbish. What else makes the city dirty?
Focus question 2: What can we do to keep our city clean?
Miss Li’s students give us their ideas. Now let’s go on reading and find their ideas.
Check the answers.(teach: move the factories away from our city and plant more trees)
What do you think of their ideas?
Read their ideas.
Talk in pairs: Their ideas are great. Do you have any other ideas?
Step3:Reading time
Read after the tape
Read by themselves and show it out
Step 4 :Consolidation
What have you learned from this lesson?