unit 6 the earth’s atmosphere

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/5UNIT6THEEARTHSATMOSPHEREUNIT6THEEARTHSATMOSPHERE一、教学内容UNIT6THEEARTHSATMOSPHERE二、教学目标知识目标熟练掌握本单元的单词、短语、句型和语法。能力目标运用本单元所学的知识，描述制造、组成等方面。三、教学重难点动词的被动语态课文分析及理解四、语法项目动词的被动语态五、本单元的重点知识1单词熟练掌握本单元后单词的音、形、意2词组1BEMADEFROM由制造2BEMADEOF由制造3TINYDROPSOFWATER小水滴4REDUCEWASTE减少浪费520MILESTHICK20英里厚6PROTECTFROM保护免遭7BEMADEUPOF由组成8THREEFOURTHSOFTHEGASES的气体9DEPENDON依靠10STAYALIVE生存11BEUSEDTO习惯于12DRAWWORLDWIDEATTENTION吸引世界注意13BLOWAWAY吹走14BEFULLOF充满15BEUSEDFOR用于做某事句子1CLOUDSAREMADEOFTINYDROPSWATER云是由小水滴构成的。2THEATMOSPHERESURROUNDSTHEEARTHLIKEABLANKET大气层像毯子一样包裹着地球。3THEATMOSPHEREPROTECTSTHEEARTHFROMTHESUNSHEAT大气精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/5层保护地球免遭太阳的炙烤。4THEAIRINTHEATMOSPHEREISMADEUPOFDUSTANDGASES大气层中的空气是由尘土和各种气体组成。5MORETHANTHREEFOURTHSOFGASISNITROGEN多于四分之三的气体是氮气。6PLANTSDEPENDONNITROGENTOSTAYALIVE植物依靠氮气来生存。7MORETHANTHREEFOURTHSOFTHEGASISNITROGEN气体中四分之三的气体都是氮气。8PEOPLEWHOTRAVELTOTHEMOUNTAINSFINDITHARDERTOBREATHE到山上旅行的人发现这里呼吸比较困难。9BIGCITIESAREFULLOFCARS大城市里都是汽车。10THEYAREUSEDFORBUSINESSANDPLEASURE他们是用来商务和娱乐的。11SOMETHINGSHOULDBEDONEABOUTTHEUSEOFCARSINORDERTOHAVECLEANERAIR为了得到更清洁的空气，应该就汽车的使用问题采取措施。六、本单元重点知识讲解1THESHIPISMADEFROMWASTEMATERIALSTHETSHIRTISMADEOFCOTTON例如THEBOOKISMADEOFPAPERANDPAPERISMADEFROMWOODTHEGLASSISMADEOFGLASSANDGLASSISMADEFROMSIO22THEAIRTHATSURROUNDSTHEEARTHISCALLEDTHEATMOSPHERE包围地球的空气被称为大气。BECALLED被称为同义词BENAMED例如THEBOYISCALLED“DANIU”BYHISCLASSMATESTHEMACHINEIS精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/5CALLED“WASHINGMACHINE”THATCITYWILLBECALLED“WATERCITY”3ITSURROUNDSTHEEARTHLIKEABLANKET20MILESTHICK20MILESTHICK20英里厚数字单位形容词例如17METRESTALL一米七高6METRESWIDE六米宽20KILOMETRESAWAY20公里远OURCLASSROOMISTHREEMETRESTALL,7METRESLONGAND6METRESWIDETHEYELLOWRIVERIS5000KILOMETRESLONGITISTHESECONDLONGESTRIVERINCHINATHERIVERISABOUT20METRESDEEPYOUMUSTNTSWIMINITITSTOODANGEROUS【典型例题】THERULERIS（20厘米长）THEBOOKIS（5厘米厚）THEHOLEISABOUT（50米深）THETREEISNEARLY（36米高）4THEATMOSPHEREPROTECTSTHEEARTHFROMTHESUNSHEATPROTECTFROM保护免遭例如THETHICKCOATPROTECTSTHEBODYFROMTHECOLDTHEHELMETPROTECTSTHEHEADFROMTHEROCKTHEPLASTICCOVERPROTECTSTHEBOOKFROMBEINGBROKEN5NOTHINGCOULDREMAINALIVEONTHEEARTHWITHOUTTHEATMOSPHERETOPROTECTUPPLANTSDEPENDONNITROGENTOSTAYALIVEREMAINALIVE存活STAYALIVE存活例如REMAINSILENTSTAYCALMREMAINSTANDINGSTAYAWAKEREMAINTHEGOALSTAYCOOLREMAINWEAKSTAYQUIETDEPENDON依靠，依精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/5赖例如THEPEOPLEINTHESOUTHDEPENDONTHEGOVERNMENTTHEPANDASDEPENDONOURGOODCAREYOUCANTDEPENDONYOURPARENTSFOREVER【典型例题】THESUCCESSOFTHEOLYMPICGAME（依赖）CHINESEPEOPLESHARDWORKTHEPOORCHILDREN（依靠）THOSERICHPEOPLESSUPPORT6THEAIRINTHEATMOSPHEREISMADEUPOFDUSTANDGASESBEMADEUPOF由构成，由组成例如THECLASSISMADEUPOF20BOYSAND19GIRLSTHETEACHERTEAMISMADEUPOF126TEACHERS7MORETHANTHREEFOURTHSOFTHEGASISNITROGENTHREEFOURTHS四分之三分数的概念分数由基数词作分子，序数词作分母构成，分母序数词都用复数。例如ONETHIRDSIXSEVENTHSONESECONDONEHALFTWOANDFOURFIFTHS8PEOPLEWHOTRAVELTOTHEMOUNTAINSFINDITHARDERTOBREATHESBFINDITADJTODOSTH某人发现做某事怎么样例如IFINDITVERYINTERESTINGTOTRAVELTOTHEFORESTTHEBOYSFINDITVERYCOOLTOSMOKE【典型例题】我们发现早睡觉有好处。WE他发现游过这条河很难。HEFOUND9AIRPOLLUTIONHASDRAWNWORLDWIDEATTENTIONDR精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/5AWONESATTENTION引起某人的注意10BIGCITIESAREFULLOFCARSBEFULLOF装满，充满THEBAGFULLOFBOOKSTHEROOMISFULLOFPEOPLETHEBAGFULLOFRICEFELLOFFTHETRUCKTHEBASKETI