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1、Unit6ScienceandTechnologyContentBackgroundLead-inTextAanalysisTextAtranslationTextAtasksTextBtranslationTextBtasksGrammartasksBackgroundTheearthisfrominsidetooutsideoursolarsystem,butalsothethirdplanetinthesolarsystem,qualityanddensitybiggestdiameterofearth-likep
2、lanets.Italsoisoftencalledtheworld.AwordofEnglishEarthEarthfromOldEnglishandGermanic.Earthhas44~46billionyearsold,andhaveasinglenaturalsatellitethemoonwith30dayssurroundingearth,andtheearththecycleofrotatingthecycleofnearly24hoursinoneyearcyclerotationandrevoluti
3、onaroundthesun.Disneysetthedocumentary.BackgroundActually,itonlyhave8planetsthatorbitthesunare(inorderfromthesun):Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune.Thesolarsystemhasapeculiarcircumstance,thatisthatMercury,Venus,theearth,Mars,Saturn,Jupiter,Ur
4、anus,NeptuneandPlutoalmostgoaheadinastraightline.LEAD-INDiscussthefollowingquestionsingroupsAreyouinterestedinthespace?Anddoyouknowsomeknowledgeaboutthespace?It’sanopenquestion.Saysomethingrelatedtothespace,suchasthenameoftheplanet,someastronautsandetc.Doyouknowt
5、heirChinesenames?Mercury,Venus,Mars,JupiterandSaturn水星，金星，火星，木星和土星LEAD-INHowmanythingsdoyouknowaboutMars?MarsisthefourthplanetfromtheSunandthesecondsmallestplanetintheSolarSystem.MarscaneasilybeseenfromEarthwiththenakedeye.Andetc.WhetherdoeslifecurrentlyexistonMa
6、rs,orhasexistedthereinthepast?itremainsanopenquestionwhetherlifecurrentlyexistsonMars,orhasexistedthereinthepast.TextAppreciationTextAAnalysis1.Developingparagraphsbyexamples2.translation2.tasksTextBAnalysis1.translation2.tasksTextAAnalysisPara.1NamedaftertheRoma
7、ngodofwar,itisoftendescribedasthe"RedPlanet",astheironoxideprevalentonitssurfacegivesitareddishappearance.Nameafter以…的名字起名e.g.1)Themachineisnamedafteritsinventor.这台机器是以其发明者的名字命名的。2)Inwesterncountries,awomantakesherhusband'slastnameafterhermarriage.在西方国家，女子一般都会在婚后
8、把自己的姓氏改成丈夫的姓氏。Para.1ironoxide铁矿石，氧化铁reddishadj.淡红色的，微红的；混有或染有红色的e.g.1)Hestirredthecoffeeuntilitwasalightreddish-brown.直到咖啡成红褐色，他才停止搅拌。2)Hestainedthewoodreddish
