英语人教版九年级全册Review Unit 13 .doc

人教版九年级英语下Review Unit 13 Were trying to save the earth! 教学目标知识目标一、功能：以环境保护为话题，以建议信的形式描述污染现状，并提出保护环境的建议。二、词汇和常用表达：.Learn and use the expressions:I think thatWe should / couldI suggest 三、语言功能: 1. 能听懂关于环境污染和环境保护的听力材料。2. 能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。三、学习重点、难点：能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。 四、文化知识：了解人类捕捉鲨鱼获取鱼翅，破坏环境污染问题并呼吁人们保护鲨鱼（Understanding human capture sharks for sharks fin, the destruction of the environment pollution and called on people to protect sharks）能力目标写作策略:1.构思的策略：利用绘图的方式组织写作思路。2.语篇衔接的策略：在写作时，借助关联词、连接性副词、以及一些介词和短语等 对上、下文进行有效的连接和过度，确保行文的流畅。情感目标在谈论污染现状，探讨有效的环保措施的过程中，增强学生们爱护环境、保护地球的意识。并要让学生们坚信只要人们能用积极的态度、采取有效的措施，我们人类一定有能力解决严峻的环境问题。教学重点重点词汇、常用表达及句型。教学难点能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。 教学方法小组合作、任务教学、情境教学二、【教学流程】环节师生活动设计说明I. lead in1. Watch a videoAt the beginning of the class, show a short video “earth song” to the students. After watching, ask the Ss what they see in the video.T: What have you seen in the video?S1: Ive seen blue sky, clean water, and beautiful snow mountains.S2: Ive seen colorful flowers, green grass, and clear spring.S3: Ive seen lovely animals living happily in the beautiful nature.T: What a wonderful world the earth has given us! But some people dont take care of our earth very well. Our earth is now facing many problems. Do you know what the biggest problem is?Ss: Pollution. T: What kinds of pollution do you know?Ss: Air pollution, water pollution, land pollution, noise pollution在课的开始部分，用一段“地球之歌”的MV引起学生对环境污染的反思，为接下来所要谈论的地球所面临的严峻的污染问题做了对比性的铺垫，从而便于激起学生们强烈的环保意识。II.DiscussionShow the Ss some pictures of some kinds of pollution, and ask them to describe the pollution, find out the reasons, and give possible ways to cut down the pollution according to what they have learned in Unit 13.T: Ive got some pictures of some kinds of pollution. Watch each group of pictures carefully and find out: What is the problem?What is causing the problem?What should we do to cut down the pollution?In order to give the Ss an example, the teacher can lead the Ss to talk about the first kind of pollution together.T: What kind of pollution is it?Ss: Its water pollution.T: What is the problem?Ss: The river is _ rubbish and dead fish.T: What is causing the problem?Ss: People are throwing _and some factories are putting _ into the river.T: What should we do?Ss: We should ask the_ to _ the factories. Everyone should help to _ the river.For the rest kinds of pollution, ask the Ss to talk in pairs.本部分用形象的图片帮助学生们区分不同种类的污染，同时用三个层次清晰的问题引领学生们有条理地针对不同类型的污染：描述现状、找明原因、给出建议。这为下一步的写作奠定了语言基础。同时，该部分涉及的各种污染情况，学生们在Unit 13 的Section A部分已经学习过，该部分其实是一个由语言输入到语言输出的过程。III.reading1. 速读 (Fast Reading)Read quickly and answer the questions abou tthe elephants.(?2. 精读 (Intensive Reading)Save the Sharks!Many _ _ of shark fin soup. This famous and expensive dish is especially popular in _China. But do you realize that youre killing a whole shark each time you enjoy a bowl of shark fin soup? When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel,but also harmful to the environment._ a fin, a shark can no longer swim and slowly_. Sharks are at the top of the food chain in the oceans ecosystem. If their _drop too low, it will bring _to all ocean life.Many believe that sharks can never be _because they are the strongest in their food chain. But in fact, around 70 million sharks _ _and traded in this industry every year. The numbers of some kinds of sharks _ _by over 90 percent in the last 20 to 30 years. Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies _ _that shark fins are good for health, so why eat them? Help save the sharks!速读文章，了解短文信息。快速阅读是为了锻炼学生在有限的时间内快速提取信息并概括归纳的能力。通过完成短文，不仅考察了学生对课文内容的理解，同时检测了学生对文章中重点词汇的掌握，能有效巩固学生的阅读理解。No sale, no killing!IV.While-writing activities1. Discussion.（1）Show some picture of Yin Chuan.Yin Chuan in pairs.*Which parts in our city have a nice environment? Why are they nice?*Which parts need to be improved? Why?(2) Choose two or three pairs to show the results of the discussion. While the Ss show their discussion, the teacher can write down some key words or phrases on the blackboard in order to help the Ss to finish todays composition later.2. Write链接中考宁夏银川市经过18年奋斗成功创建国家卫生城市。作为该城市的一员，你一定会有许多感触和想法。下面请你以 The Green City, the Healthy Life为题，写一篇80-100词的英语短文。开头已给出，不计入总数。主题绿色城市，健康生活做法骑车出行，减少空气污染，垃圾入箱，保护城市整洁；多种树木，保护自然环境你的观点(至少2条)The Green City, the Healthy Life AS a citizen of Yin Chuan, its our duty to_本部分，学生在讨论银川环境现状的过程中，为下一步的写作做了语言铺垫。同时，在学生讨论的过程中，引导学生用绘图的方式去组织思路，便于提升学生用联想的方式组织语言的能力。在写作前，引领学生明确写作内容，写作格式和文章结构，以便于学生在写作时能有所依据V.Post-Writing activities1 Check(1)After all the Ss finish writing, put one students composition on the projector. Lead the Ss to check the composition together.2.Wish.Tell the Ss: Although Yin Chuan is facing some serious environmental problems, Im sure with the mayors help, if more people like you can take action, Yin Chuan will become even more beautiful.在学生完成写作之后，引领学生学会从正确的角度评析自己和他人的文章，从而积累相关文章的写作经验尽管现实中，我们面临各种各样的污染。但要要让学生们坚信只要人们能用积极的态度、采取有效的措施，我们人类一定有能力解决严峻的环境问题。VI. Assignment作业1. If the composition hasnt been finished, finish it. ( )2. Think about what we can do at home to protect our environment and share