课件41张PPT。 Free talk! What did you do in the National Day holiday? I visited some cities. Enjoy pictures.They are clean and nice . The ...is….air空气chairWhat do you think of the cities?你觉得的这些城市怎么样？ It is messy and dirty.Is this city clean and nice?Listen and find: What questions are they talking about? 打开书本，边听边找出文中两大关键问句。 1.What makes our city dirty？2.What can we do to keep our city clean？What makes our city dirty？ACBriversmokefishrubbishWatch and answer:了解城市污染的现状What makes our city dirty？What makes our city dirty？ACBriversmokefishrubbishWatch and answer:Read P58 and finish the sentences . 快速读58页上的内容，完成句子。_____makes the air dirty._____makes the air dirty，too._____makes the streets dirty._____makes the river dirty.Smoke from carsBlack smoke from factoriesRubbish Rubbish Smoke from carsBlack smoke from factories 现状1.What makes dirty?a factory工厂_____makes the air dirty._____makes the air dirty，too.bthe airLearn after the teacher_____makes the streets messy and dirty.现状2.What makes dirty?Rubbishthe streetsThe river is dirty.There's rubbish in the water. 现状3.What makes dirty?The fish are dead.死亡the river_____makes the river dirty.RubbishwRead after the tape:(跟读.注意语音语调!)Miss Li: Look at these pictures of our city.Is our city clean?Students : No,it isn't.Miss Li: What makes our city dirty?Su Hai: Smoke from cars makes the air dirty.Wang Bing: Black smoke from factories makes the air dirty too.Liu Tao: Rubbish makes the streets messy and dirty.Su Hai: The river is dirty.There’s rubbish in the water and fish are dead. B Read after the leader. (跟着一位同学读)C Read in roles. (分角色朗读) 以小组为单位，选择一种喜欢的方式读一读课文。 A Read together.（小组齐读）...............（同桌问答书上60页内容） What can we do to keep our city clean?Read quickly and find:(快速读59内容并划出答案) Learn in the group:小组学习 1.四人 一组快速划出 关键句。 2.小组尝试去读关键句，如遇新单词可以请教同伴或老师。 看看哪组完成地最快！ What can we do to keep our city clean?Read quickly and find:(快速读课文P59并划出答案)提出解决污染的办法 take the bus or the metro 地铁walk to schoolmove some factories away from our city使……移走put the rubbish in the binplant more treesRead after the tape:(跟读.注意语音语调!)Miss Li： What can we do to keep our city clean?Su Hai: We can take the bus and the metro to school.Nancy: We can walk to school too.Wang Bing: We can move some factories away from our city.Liu Tao: We can plant more trees.They help keep the air clean. Miss Li: Your ideas are great.Well done, class.We can put rubbish in the bin.B Read after the leader. (跟着一位同学读)C Read in roles. (分角色朗读) 以小组为单位，选择一种喜欢的方式读一读课文。 A Read together.（小组齐读）完成书上60页内容。the busthe metrowalkfactoriesrubbishtreesideasmessy and dirtyDo you have any other ideas ? 你有其他的想法吗？ keep our classroom clean sweep the floor pick up the rubbish go to school/ work by bike …Liyang is ... ...
