Using language 教学内容分析 The teaching materials of this period contain three parts.The first part is the reading passage on Page 30 with the title of “What Can We Do About Global Warming？”．It consists of two letters：a request from a student for help on a school project and the reply.The letters bring students' attention to a commonly held belief that individuals are powerless to do anything about environmental problems and that it is governments that are in a position to act and have the responsibility to act.Earth Care's letter suggests ways to save energy and therefore decrease the amount of carbon dioxide that is poured into the atmosphere. The second part is Exercise 2 on Page 31，which asks the students to make a poster for their school that tells students various ways they can reduce the amount of carbon dioxide in the air. The third part is a writing task designed by the teacher，which asks students to write a short passage about global warming.By practicing writing the passage，students can strengthen their knowledge about global warming and develop their sense of environmental protection. 三维目标设计 Knowledge and skills 1．To enable the students to know how to prevent global warming. 2．To get the students to learn the following useful new words and expressions：on behalf of，advocate，commitment，put up with，pollution，electrical，so long as，casual，and so on，motor，cans，circumstances，microwave，refresh，educator，contribution... 3．To help the students learn how to write a poster. 4．To foster the students' ability in skimming and looking up information in reference books and improve the students' reading ability. Process and methods Reading for specific information，summarizing，discussing and practicing. Emotion，attitude and value 1．To develop students' sense of environmental protection. 2．To develop the students' sense of cooperation with others to solve problems. 教学重、难点 1．The understanding of the reading passage. 2．The following key phrases：make a difference，put up with，so long as 3．The following key sentences： (1)Together，individuals can make a difference. (2)It is OK to leave an electrical appliance on so long as you are using it... (3)Get your parents to buy things that are economical with energy... (4)Remember—your contribution counts! 4．Teaching the students how to write a poster. ?Step 1 Revision Check the homework of the last period. ?Step 2 Lead－in Show the students the following pictures on the slide and ask students the following questions： 1．Have you ever seen the film 2012 2．What kind of disasters have you seen in the film 3．What have you learnt from the film And then ask them：What causes the global warming？Lead them to tell the cause：gas emission.At the same time show the following pictures： After talking about the causes of gas emission，ask students the question “What is the effect of global warming？”．Help them answer：natural disasters(flood，droug ... ...
