英语人教版九年级全册Unit 13 .doc

Unit 13 We are trying to save the earth（Section A 1a-1c）一、知识与技能目标：1.学习并掌握单词litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, take away短语be harmful to, at the top(of sth.) , take part in。2.能正确运用现在完成时，情态动词和used to 句型。二、过程与方法策略：1.听：能基本听懂课文录音，并回答有关环境问题。2.说：能正确描述有关环境的话题。3.读：能读懂难易程度与课文相当的短文。4.写：能就本单元话题写一篇有关环境的倡议书。三、情感态度目标：1.进一步提升学生的理解能力和对所学知识的活学活用能力，让学生活学活用，动脑思考。2.让学生有环境危机意识，学会关注环境保护环境四、教学重难点：1. 教学重点： （1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。 （2）保护环境的措施方法。2. 教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。五教学方法：1.情景教学法 2.讲授法 六、教学步骤:Step1：Lead in(情境导入)1.用多媒体给学生播放有关环境污染的视频：a video about the fog and haze made by a famous hot, Chai Jing.然后询问学生对环境污染的看法和观点。教师询问：(1).Whatkindsofpollutionsdoyouknow？(2).Whatdoyoufeelaboutthepollution?(3).What can you get from the video?学生回答：Ithinkthereare_.noisepollutionairpollutionwaterpollution.(设计意图：本部分是热身部分，吸引学生的注意力，通过视频和课前的一个师生问答互动引入新课的话题，环境污染与保护。)Step2：Pre-task(任务前准备):1a. Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.(阅读1a 部分，把方框中的单词按照产生的污染类型归类，并添加更多的单词。)loud music cars rubbish planes littering ships factories smoking building houses mobile phonesNoise pollution _ _ _ air pollution _ _ _ water pollution _ _ _ (设计意图：通过本环节让同学们更多的了解污染的类型及分类，同时拓宽思路，为下面的听力做准备。)Step3：Cirl-task（任务环节）Task 1 1b.Listen and complete the sentences.（听录音完成表格的内容，并核对答案）What was the problem?The river was _. Even the bottom (底部) of the river was full of _. There were no more _ for fishermen (渔民) to catch.What caused the problem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.(设计意图：本环节是听力部分，主要是锻炼学生的观察分析能力、预测能力和捕捉关键信息的能力。)Task2 Role play the conversation（在小组内根据1a部分编剧有关污染的对话）Tony: Theriver was full of waste.Mark :But it used to be Tony: Yes, but people are throwing Mark :To protect the river, everyone should (设计意图：通过1c的对话训练锻炼学生的口头表达能力和小组的合作意识，同时巩固对本课内容的认识，分别对他们的对话和表演进行评价。)Task3 Language Points 1. Were trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try ones best to do 努力去做某事。 例句：Every student should try to study hard in order to study in a university. 为了进入大学学习，每个 学生都应该努力学习。2. Here are some words related to different kinds of pollution. be related to 与有关 例句：I am notrelatedtohim in any way. 我和他无任何关系。 3. Everyone in this town should play a part in cleaning it up! play a part in 在方面起作用 例句：A good diet plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着非常大的作用。 play a part 在中扮演角色 例句：He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.litter和rubbish都可指“垃圾”，用作不可数名词。rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。例句：Throw the rubbish out. 把垃圾扔出去。The room is full of rubbish. 房间里堆满了垃圾。Pick up your litter after a picnic. 野餐后将废弃物收拾好。 Step4：Post-task（任务后环节）Make a proposal 发出倡议书The Earth Day was first celebrated on April 22 in 1970.so we should do something to protectthe environment.（发出倡议，保护环境）Divide the students into four groups, eachgroup will write a proposal.（设计意图：在小组内完成倡议书，由书写较好的同学执笔，有口语表达能力好的同学发言，在班级内分别展示，已达到本节的升华阶段，同时提高学生们的环保意识，与社会同步。）Step 5：Summary (总结)Point out the important sentences and phrases