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
必修3《Listening and vocabulary》精品教案优质课下载
3.Students will be aware of the environmental problems that we are facing.
Key points and Difficult points:
Help students apply the useful expressions concerning the global warming into real situation.
Help students to write the key words as quickly as possible while listening.
Teaching Procedures:
Step1: Lead-in
The teacher shows three questions and asks them to discuss and share opinions.
Free –talk
1. When it comes to global warming, what comes into your mind first?
2. Does global warming matter to you? Is it important ? Tell me your reasons.
3. How does global warming come about? What are the causes?
Step 2: Word Study
In order to listen effectively, the teacher designs a word study task.
Match the words with their definitions.
1.The air around the earth
2.To have a bad effect on someone of something
3.A substance used in chemistry
4.The natural world-the land, air, water, plants and animals
5. To change from solid to liquid, e.g. ice becomes water
6. To treat something so that we can use again
7.One of the gases in the air
8. The most northern and southern points on earth
9. Rubbish
10. Damage to the environment because of chemicals
11.the facts, signs or objects that make you believe that something is true