1、Unit 5 The power of nature第一部分教学设计说明About the topic and the structures单元话题和结构本单元的话题是The power of nature/ 自然的力量，介绍了火山、飓风，以及天池等自然现象。火山爆发是一种很严重的自然灾害，它常常伴有地震。火山可以分为死火山和活火山，一段时间内没有喷发的活火山叫做睡火山（休眠火山）。另外还有一种泥火山，它在科学上严格来说不属于火山，但是许多社会大众也把它看作是火山的一种类型。单元句法项目是“-ing form/ 动词-ing形式”。教学设计在单元课时划分上与课本保持一致，即“阅读课、知识课、运
2、用课三课时/三课型划分”。但在实际教学过程中，我们建议教师依据学生基础、教学条件、学校安排的因素，对课本、对教学设计重新划分课时、裁剪、拼接使用我们提供的材料，以便“物尽所用”，达到最佳教学效果。教师也可以参照我们提出的“实际教学过程课时划分建议”进行教学。Period 1Reading 阅读课Warming Up 部分教师可以选择“用词表编短文”、“分享知识”和“了解火山”形式激发背景知识、为其后的阅读作好词语、结构和心理的准备。教师可补充：火山喷发会对人类造成危害，但是它也带来了许多好处。许多宝石都是由于火山喷发形成的；火山喷发也能扩大陆地的面积，夏威夷群岛就是由火山喷发而形成的。 Pre
3、-reading向学生介绍有关“火山学”的知识，为其后的阅读做心理的铺垫和准备。Reading是篇记叙文，记叙了作者，一位火山学家经历地震、火山爆发，以及奋不顾身从事相关研究的激动人心、扣人心弦的事迹。教师可以引导学生从形式入手阅读本文，划出短语，寻找记叙文6要素，完成树型图，复述课文。Period 2Learning about language 知识课Learning about language和课本一样也分两部分：词法和句法。朗读导入后，安排学生做词汇题；再学习单元句法项目；最后是检测题。Period 3Using language运用课Using language首先引导学生听读课文
4、录音；然后是听一段有关火山学家的工作介绍；接下来的口语活动围绕“恐惧、焦虑、沮丧”展开；从形式入手阅读短文；引导学生写一则“长白山”的介绍性文字；最后改写39页的课文。实际教学过程课时划分建议Period 1将Warming Up、 Pre-reading、Reading和Comprehending整合在一起上一节“阅读课”。Period 2将Learning about language 和Workbook中的 USING WORDS AND EXPRESSIONS、USING STRUCTURES 整合在一起上一节“语言知识课”。Period 3将Using language 设计为一节包
5、括听说读写单项技能或组合技能训练的“综合技能课（一）”。Period 4将Workbook 的READING AND LISTENING和TALKING整合在一起上一节“听说课”。Period 5将Workbook 的LISTENING TASK、READING AND WRITING TASK和 SPEAKING TASK整合为一节“综合技能课（二）”。第二部分教学资源说明Section 1Background 背景围绕单元话题“自然的力量”我们提供了若干实用性背景材料。这些材料既可以作为教师教学参考材料为教师所用，也可以直接或改写、重组后作为课堂内外的拓展性阅读材料呈现给学生。Sectio
6、n 2Explanation解析重点针对“阅读课型”中的课文难句，我们提供了详尽的，就句论句的解析和翻译，并且以解析的焦点话题为线索，进行了一定的归纳、辨析和总结，以帮助教师更好地实施“语言形式”的教学。Section 3Vocabulary词汇按照课本单元词汇表顺序，我们重点提供动词、短语搭配的讲解。所提供的例句，经典、地道、实用、易懂，完全可以直接用于教学。第三部分教学测评说明围绕单元词法、句法项目，我们提供了长短不一的“单元教学测评”，并备有参考答案供教师使用。有些测评题目直接源于历年高考试卷，更具有说服力和实用性。Part 1 Teaching design第一部分 教学设计Perio
7、d 1 A sample lesson plan for reading(AN EXCITING JOB)IntroductionIn this period, after the warming up, students will first be guided to define volcanology. Then they will be helped to read a narration about observing volcano eruption.Three “Warming Up” designs are presented in this book for teachers
8、 reference. Computer and overhead projector may be used to aid the teaching and learning. Objectives To help students learn to express emotions (fear, worry, surprise) To help students learn to read a narration about volcano To help students better understand “power of nature” To help students learn
9、 to use some important words and expressions To help students identify examples of the ing form in the textFocusWordserupt, bore, evaluate, fountain, impress, cancel, relieve, sweat, panic, bathe, swallow, guaranteeExpressions comparewith, burnto the ground, make ones way, make an effort, glance thr
10、ough, vary fromto, Patterns My main job is collecting information about Mount Kilauea. Although my job is occasionally dangerous I dont mind, because danger excites me and makes me feel alive. My main job is collecting information about Mount Kilauea, However, the eruption itself is really exciting
11、to watchI was fast asleep when suddenly my bed began shakingBut this being my first experience, I stayed at the top and watched them.AidsMultimedia facilities, tape-recorder, photos, diagrams Procedures1. Warming up Warming up by learning about vocabularyHello, everyone. We shall read about volcanoe
12、s today. Everyday disasters happen here and there. But how much do you know about them? Turn to page 93 and familiarize yourself with the words and expressions used in this unit. Try to make up a story based on the vocabulary, either in English or in Chinese. Warming up sharing knowledgeNice to see
13、you, class. Today we take Unit 5 The power of nature. We shall read about volcanoes. But first what do you know about volcanoes? A volcano is a place on earth where lava comes from the ground. Volcanoes often have the same shape as mountains. Most volcanoes have a crater at the top.How Volcanoes Are
14、 MadeMost volcanoes are made where tectonic plates come together. These plates move over each other, which causes magma to rise to the surface through weak places in the crust. Warming up by getting to know about some of Historys Worst Volcanic EruptionsWe hear of volcanic eruptions now and then. So
15、me are mild, and some are terrible. Now look at the screen and listen to me telling you about some of Historys Worst Volcanic Eruptions. Mount Vesuvius, in Italy, has erupted several times. The most devastating of the eruptions occurred in A.D. 79, destroying the cities of Pompeii and Herculaneum. I
16、ndonesias Krakatoa has erupted several times, with the last and most devastating eruption in 1883. The resulting tsunami killed more than 36,000 people in the area of Java and Sumatra. In 1963, Mount Agung in Bali erupted, taking the lives of some 1,100 people. On May 18, 1980, after more than 100 y
17、ears of dormancy, Mount St. Helens erupted in Washington. The 1992 eruption of Mount Pinatubo in the Philippines Islands caused 342 deaths; more than 250,000 people had to be evacuated. 2. Pre-reading by defining volcanologyIf you are going to make volcanology as your career, you have to be sure abo
18、ut what volcanology is. How much do you know about it? Lets go on to to find out its definition.Volcanology is the study of volcanoes, lava, magma and related geological phenomena. A volcanologist is a person who studies in this field. Volcanologists frequently visit volcanoes, especially active one
19、s, to observe volcanic eruptions, collect rock and lava samples. One major focus of enquiry is the prediction of eruptions; there is currently no accurate way to do this, but predicting eruptions, like predicting earthquakes, could save a lot of lives.Being a volcanologist is one of the most dangero
20、us scientific professions there is, because sudden eruptions can occur during the study of active volcanoes.3. Reading Listening, reading and underliningTurn to page 34. Read the text aloud while listening to its recording. Underline the expressions useful to you at the same time. Expressions from A
21、N EXCITING JOBwork outdoors, be occasionally dangerous, make feel alive, collect information about, an active volcano, save lives, burn to the ground, boiling rock, erupt from, crash back to, cause danger, fall down , buryunder the molten rock, in ones path, forget ones sight of, hear a strong sound
22、, experience earthquakes, take much notice, become as bright as day, run out ofinto the back garden, seein the distance, in the side of the mountain, fountain into, an absolutely fantastic sight, driveup the mountain, collectfrom, in the suits, make ones way to, climb down into, collectfor later stu
23、dy, stay at the top, be enthusiastic about, be amazed at, cause great damageReading for the six WsNow we shall go over the story the second time to find out information for the six Ws, that is, who, when, where, what, how and why to complete the form below.WhoWhenWhereWhatHowWhyIIn the second week a
24、fter I arrived in HawaiiHawaiiStudying volcanoes like Mount KilaueaHave a close look at itI am a volcanologist. Reading to complete the form Type of writing and summary of the textType of writingMain idea of the passageTopic sentence of 1st paragraphTopic sentence of 2nd paragraphTopic sentence of 3
25、rd paragraphTopic sentence of 4th paragraphTopic sentence of 5th paragraphMaking a diagram of the text An exciting jobMy job: help to protect people from the volcanoCollecting information about Mount KilaueaMy first sight of an eruptionHave a much close look at the eruptionEnthusiastic about my job4. Closing down by retelling the text with the help of the diagram
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