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1、Welcome you to Class 4 2011.12.15,After watching the short video,please tell mewhat problems it indicates(暗示).,population problem,environmental problems,不合理利用资源,pollution,ecological damage,shortage of natural resources,Task 1 Leading in（导入新课）,问题型说明文的 阅读方法&写作指导,【教学目标】一、知识目标 学会如何阅读&写问题型说明文。二、情感目标 培养学生
2、的环保意识和主人翁意识。【教学重难点】重点：了解环境问题的相关知识。阅读与写作技巧的训练。难点：运用所学词汇与句型，围绕主题 进行讨论和写作。【学生达标】在原有基础上夯实词汇句型基础，提升 阅读能力，重视写作练习。,必修三Module 4 Sandstorms in Asia,Topic 1 sandstorm,Task2 Reading（自读感知）Step1 Fast reading,the main ideaof the article,Generally speaking,the theme or purpose of an article comes in the first para
3、graph,usually as the first or last sentence.Remember to record these topic sentences carefully in order to understand the main idea of the passage.,【Reading strategy】必修二 Module 2 P12,主题段&主题句,推敲,文章主旨,（点拨引导）,What causes sandstorms?,Step 3 Discussion,What can we do to stop sandstorms?,（合作探究）,The causes
4、 of sandstorm:cutting down too many trees;desertification;high temperature and little rain;air and water pollution;the growing population of the world;improper use of land;rapid spread of urbanization;,Planting more trees,It can be reduced if we try to“repair”desert and protect areas that are in dan
5、ger of becoming desert.,strong,dry winds that carry sand，,terrible,the most frightening,dangerous,Desertification，,climate changes,cut down trees，,dig up grass,not to go out,wear a mast,plant trees,Sandstorm,Protect our environment,Task 3 insight into the article(感悟升华),change our attitudes,just do i
6、t in our daily life,active,positive,responsible,Friendly,(改变态度),（落实行动）,生活的美丽在于过程。,Return GREEN to the earth!,We should live in harmony with nature.,harmonious,harmoniously,Task4 教材整合 必修二 Module 2 No Drugs 必修三 Module 3 The violence of Nature Module 4 Sandstorms in Asia 必修四 Module 2 Traffic Jam 必修五 Mo
7、dule 6 Animals in Danger,Water is the source of life,but it is not inexhaustible.If we did not take action now,the last drop of water in the world would be mans tear!,水是生命之源，但它却不是取之不尽，用之不竭的。如果我们现在不采取行动，世界上的最后一滴水将是人类的眼泪！,Safeguard water resources as our eyes,Topic2 shortage of fresh water,Task 5 实战演习
8、,Now lets write some sentences about causes,problems,measures and expectations.,【教你一招】some sentence patterns,问题型说明文写作模板,problems,causes,measures,Expectations,as a result of/as a consequence of/on account of/owing to/due to/result from/lie inThats because,The government is aware of People realize tha
9、t.We shouldEveryone should,make measures to dotake steps to domake a contribution to sthmake great efforts to do,We do hopeWe expect Only in this way,can we live,The environmental problems have become more and more severe.There exist some environmental problems.,For example:Most environmental proble
10、ms exist because necessary measures for preventing them were not taken in the past.,The chief reason for the population growth isnt so much a rise in birth rate but a fall in death rates as a result of improvements in medical care.,由于在过去没有采取必要的预防措施从而造成了大多数的环境问题。,人口增长的主要原因不是出生率的增长，而是医疗条件的改善而引起的死亡率的降低
11、.,Task 6 Summary This period,weve read a passage about environmental problems.When we read the articles with similar topics,how can we analyze the articles efficiently?,problems,causes,measures,expectations,Homework Write a passage about water shortage.【温馨提示】三段式作文法,双基练案P256,Location of the country Y
12、emen(也门）,Climate-the tropical desert climate,2.Read a passage and find what will happen to the country Yemen.,明天话题：写好英语作文的五个步骤-如何写问题型说明文百度网络查询2010 福建高考英语写作分析,【知识链】也门 热带沙漠气候 所以这个地区的河流少，其中沙特阿拉伯，科威特，阿曼，也门，卡塔尔，巴林，阿拉伯联合酋长国被称为“无流国”,Thank you all.,The day before yesterday,Yesterday,Today,This is a process
13、of“desertification”,【知识链】也门 热带沙漠气候 所以这个地区的河流少，其中沙特阿拉伯，科威特，阿曼，也门，卡塔尔，巴林，阿拉伯联合酋长国被称为“无流国”,Step 2 Reading main idea,Topic 2 shortage of drinking water,Step 3 consolidation,针对性,概括性,醒目性,Step 4 the insight into the passage,39.标题的选择,a map of Yemen,We should be more careful with our water,try to use less an
14、d recycle as much water as possible.,如何写好问题型说明文六步骤一、严密审题 时态：一般用现在时，举例时可用过去时。二、理清要点 找全信息点，紧扣主题，突出重点。,problem,causes,measures,三、组词成句 切忌与汉语提示一一对应，使用所学表达 方法将语义表达出来，使文句流畅。【Ex】汉译英,1.也门首都萨那将早在2025年用完饮用水。The capital Sanaa will run out of drinking water as early as 2025.,Drinking water will be run out of by
15、the capital Sanaa as early as 2025.,Drinking water will run out in the capital Sanaa as early as 2025.,【点拨一】动词是句子的核心成员，记忆动词是及物动词（vt.）还是不及物动词(vi.)是考虑句子结构的关键。vt.+o.vi.+p.,动宾结构,系表结构,四、连句成篇 首先紧扣提示，随即考虑文章的篇章结构，选择 适当的连接短语，使文章结构连贯、通顺。,1.表因果关系的 because,as,so,thus,therefore,as a result2.表并列补充关系的 whats more,b
16、esides,moreover,furthermore,in addition also,五、复查修正 检查信息点是否全面，时态，人称是否一致，句子结构是否清晰，短语使用、单词拼写是否准确。,2.不仅政府而且人们都意识到了环境问题。Not only the government but also people areconscious of the environmental problems.The government as well as the people is consciousof the environmental problems.Both the government an
17、d people are conscious of the environmental problems.,2010福建高考经典：书面表达（满分25分）假设你是李华，福建省某中学高中学生，今年暑假将前往澳大利亚参加主题为“WATER FOR LIFE”的交流活动。请你以参访代表的身份，根据以下图片提示，用英语写一篇发言稿：,As we know,the global water shortage is becoming increasingly severe mainly due to global warming,environmental pollution and the ever-in
18、creasing population.Therefore,its high time we did something about it.,Firstly,an effective way,I think,is to reserve water in a scientific way for future use.Secondly,new methods need to be developed to use the existing water resources,for example,turning sea water into fresh water.Thirdly,we must
19、stop water pollution by law.Last but not least,its everyones responsibility to make good use of water,such as recycling and saving water in our daily life.,Saving the Antelopes,Save our earth!Give some GREEN to the earth!,我的课堂我做主，我的生命我把握。我展示我精彩，我自信我成功。,Step 4 Word accumulation desert desertification(沙漠化),major sandstorm centers in China,Gansu and Western Inner Mongolia,Beijing and Northeast Inner Mongolia,
