Unit 2 Topic 2 Section A 仁爱版九年级英语上册.pptxVIP

九年级上册 Unit 2 Saving the earth 2. All these problems are very serious. Section A 英 语仁爱版仁爱版 英语 九年级上册Warming up—Pre-listening—While-listening—Post-listening—Exercises —Summary 教学目标：1. 掌握四会词汇：sand, sandstorm, change into , desert, human, although, reduce, completely.2. 学习不定代词everything, anything 等的用法。 3.训练学生的听力技能，如获取细节信息等，加强策略意识的培养。一些情况，提高环境保护意识。 3. 进一步了解有关环境污染的 教学重点:1. 学习不定代词的用法。 2. 训练学生的听力技能，如获取细节信息等，加强策略意识的培养。教学难点：学习不定代词everything, anything等的用法 Warming up Watch and Think*How is the man feeling now?--Why?sandstorm--Because there is a sandstorm. many trees cut downWhat caused the sandstorm? 1. H_____________have cut down many trees.uman beingsfew year s ago forests gonewash the earth away2. The forests have gone and the rain washes the earth away. rich land desert3. A lot of rich land has ____________ desert because people have cut down too many trees. changed intoAs a result 4. At last, s_________ come into being. andstorms Pre-listening learn new words sandn.沙，沙子[s?nd]change…into…转换成，把……变成　desertn.沙漠v.舍弃,遗弃[dez?t]althoughconj.虽然，尽管[??le??]reducev.减少；减轻[r??dju?s]completelyadv.彻底地；完整地[k?mpli:tli] While-listening Watch the video and see what happened to our earth. Listen and answer the question.Do we need to do something to protect the environment?How?Yes, we do. Although there were sandstrom, now we have builtThe Green Great Wall.although=though Listen and answer the questions .1.Whats the weather like today? Its bad. The wind is so strong . And the sand really hurts face.s?ndn.沙2.What causes these sandstorms ? People have cut down too many trees.As a result, a lot of rich land has changed into desert.3.Do we still need to do something to protect the environment? Yes, we do. Although we have builtThe GreenGreat Wall, we still need to do something to protect the environment./?:le?u/ conj.虽然， The boy and girls are talking about —————.different types of sandstorms the reasons for sandstorms sa