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单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,名 师 课 件,0,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,Speaking and Writing,Unit4 Astronomy:,the science of the stars,Speaking and Writing Unit4 Ast,1,Learning objectives,By the end of the class,all of us will be able to:,1,.talk about,the problems and solutions on the moon.,2.know how to write,an expositive writing,from the two,aspects,(contents and structure).,3.know how to improve the passage from the aspect(language,).,4.Write an e-mail to your headteacher to give them some suggestions on the moon.,Learning objectivesBy the end,2,The world is so wonderful,that I want to have a look.,The world is so wonderful,3,A visit to the moon,A visit to the moon,4,Summary:,fill,in the blanks,.,Last,month I visited the moon with my friend.,Before we left,I was told the force of g_ would change three times on our journey.Then we took off.,As we left the earth,I became very h_.,Gradually,the weight l_.,when I was in space,it d_.we f_ weightlessly in the cabin and I c_ _.,when I was on the moon,I was surprised to find out even walking needs lots of practice,n,gravity,changed.,The returning,of the earth was very f_.we were amazed to watch fire b_ _ on the outside of the ship.,ravity,eavy,essened,isappeared,loated,heered up,ow,that,rightening,reak out,Stage1,Summary:fill in the blanks.,5,1.If you travelled to the moon,what problems would you have?(Discuss in groups of four),Stage 2,Discussion,2,.If you,travelled,to the moon,what things would,you,need?Why?(Discuss in groups of four),1.If you travelled to the moon,6,problems,on the moon,no air,less gravity,little water,no magnetic field,(,没有磁场,),problems no air less gravity,7,Things needed,oxygen tanks,space food,spacesuit,water,spaceship,Things needed oxygen tanks,8,人教高中英语必修3Unit4SpeakingandWritingppt课件,9,Your headteacher Mr.xiong will travel to the moon.Please write a letter to explain,one of the problems that,he might,have on the moon.Set out what,he,should do to overcome this difficulty and have a happy visit.,Your headteacher Mr.xiong wil,10,【,思路引导,】,信件的内容属于典型的,（解决问题,)exposition,（,说明文,）,，此类文章写作的基本提纲模式是：,第一部分：开篇,首先要,，明确需要解决的问题是什么，即对现状、形势、困难等进行描述，并说明解决问题的紧迫性和必要性。,pre-writing,Stage3,problem-solution,raise a problem,【思路引导】pre-writingStage3problem,11,【,语言积累,】,1.Problems:,.,is really a problem.,One,of the difficulties is.,It,is difficult/hard to do.,.,is a problem that we have to face.,It,is of great importance for us to.,It,has become the biggest concern of.,Unless,we take effective measures,it is,likely,that.,【语言积累】,12,第二部分：主体,。,分析,问题和解决问题，即提出解决问题的可能办法,(,),，可使用列举、阐释等说明方法,。,possible,solutions,第二部分：主体。possible soluti,13,2.Solutions:,We have figured out many ways to.,Only in this way can we.,To solve the above-mentioned problem,we must.,There might be two solutions.The first one is to.,We can solve the problem by doing.,2.Solutions:,14,evaluation,evaluation,15,3.Conclusion:,In a word .,By doing.you will.,With the help of.we can manage to overcome these difficulties.,We must find out new ways to cope with the problems that would arise.,3.Conclusion:,16,Which,one is more,vivid(,生动的,)?,If you are really planning a trip to the moon,youd better pack warm and cool things.,.,If you are really planning a trip to the moon,youd better pack,something,which,keeps you warm,and also cool.,Ready for language,How to make your,passage,more,interesting?,Compare and feel!,Stage,4,pre-writing,attribute,Which one is more vivid(生动的)?,17,W,hich,one is more,specific(,具体的,)?,its temperature varies greatly between day and night,.,Because the moon has no atmosphere to block some of the suns rays or to help trap heat at night,its temperature varies greatly between day and night,Read for language,How to make your letter more interesting and smooth?,Compare and feel!,Stage,4,pre-writing,Adverbial,（,状语,）,Which one is more specific(具体,18,which one is smoother?,Scientists use this technology and they,can create a surface zone with the relatively constant temperature.,With,this technology,scientists can create a surface zone with the relatively constant temperature.,Read for language,How to make your letter smoother?,Compare and feel!,Stage,4,pre-writing,Linking words,which one is smoother?Scient,19,Stage,4,pre-writing,In,expositive,passage,we can use the following techniques to make your writing more interesting and perfect.,to make the language more,vivid,to make the language more,specific,to make the sentences,smoother,linking words,adverbial,attribute,Stage 4 pre-writing In exposit,20,Structure&language,enjoy writing!,Stage,4,pre-writing,para3.,raise a question,body,para1.,para2.,solutions,evaluation,adverbial,attribute,linking words,Structure&languageenjoy writi,21,Enjoy writing,Please write a letter to your headteacher to explain,one of the problems that,he might,have on the moon.Set out what,he,should do to overcome this difficulty and have a happy
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