新标准高职高专公共英语实用综合教程 教师用书 电子课件 Unit5

BR_BackgroundInformation1BackgroundInformation(TheSolarSystem)(TheMilkyWayGalaxy)BackgroundInformationVideoClipGroupDiscussionSpotDictationThesolarsystemconsistsoftheSun,thenineplanets(Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune,andPluto),morethan130satellitesoftheplanets,alargenumberofsmallbodies,andtheinterplanetarymedium.TheSunisbyfarthelargestobjectinthesolarsystem.Itcontainsmorethan99.8%ofthetotalmassoftheSolarSystem.TheSunistherichestsourceofenergyofheatandlightinthesolarsystem.EarthisthethirdplanetfromtheSunandthefifthlargest.BR_VideoClip1VideoClipSourceEarth:ASpecialCaseGroupDiscussionSpotDictationBackgroundInformationVideoClipForvideoscript,pleasescrolldownthepage.1.2.Whatmakestheearthspecial?Whatwasmentionedasaveryimportantfactorintheformationoftheearth?BR_VideoClip2Questions:Theforceofgravitywasaveryimportantfactorintheformationoftheearth.BackgroundInformationVideoClipGroupDiscussionSpotDictationVideoClipItistheonlydwellingplacecapableofsupportinglifeamongbillionsofplanets.KeyKeyBR_groupdiscussionGroupDiscussion1.2.Theearthmaymeandifferentthingstodifferentpeople.Whatdoestheearthmeantoyou?Economicdevelopmentandenvironmentalprotectionaretwoconflictingissues.AsfarasChinaisconcerned,whichdoyouthinkshouldbeconsideredourpriority?Iseconomicdevelopmentmoreurgentthanenvironmentalprotectionortheotherwayround?BackgroundInformationSpotDictationVideoClipGroupDiscussionBR_spotdictationSpotDictationWhenIwasayoungman,Iwantedtotheworld.Ifounditwastochangetheworld,soItriedtochangemy.WhenIfoundIcouldn’tchangethenation,Ibegantoonmytown.Icouldn’tchangethetownandasanman,Itriedtochangemyfamily.Now,asanoldman,ItheonlythingIcanchangeis,andsuddenlyIrealizethatiflongagoIhadchangedmyself,Icouldhavemadeanonmyfamily.MyandIcouldhavemadeanimpactonourtown.TheirimpactcouldhavechangedthenationandIcouldhavechangedtheworld.BackgroundInformationVideoClipGroupDiscussionSpotDictationchange_____difficult_____nation_____focus____older____realize_____myself_____impact_____family_____indeed_____GR_PartDivision..PartDivisionoftheTextThetextcanbedividedintotwoparts:Part1(Paragraphs1-4):Part1givessomebasicfactsabouttheearthandtellswhattheearthtrulyis.Part2(Paragraph5):Part2tellsusaboutEarthDayonMarch21.PartDivisionoftheTextFurtherUnderstanding1.2.GR_FurtherUnderstandingFurtherUnderstandingWhatmakestheearththehomeofmankindandmanyotherlivingthings?WhatisthepurposeofnamingMarch21asEarthDay?Thepurposeistocallpeople’sattentiontotheimportanceofprotectingtheearth.Questions:Firstly,theearthisjusttherightdistancefromthesunandcanprovidelivingthingswithwarmthandlight;secondly,theearthhasplentyofwaterthatcoversmostofitssurfaceandlivingthingsmusthavewatertolive.PartDivisionoftheTextFurtherUnderstandingKeyKeyDR_text1_STheEarthTheearthmeansmanythingstothepeoplewholiveonit.Toafarmer,theearthisrichsoil.Toaroadbuilder,theearthmeansmountainsofhardrock.Forasailor,theearthiswaterasfarastheeyecansee.Apilot’spictureoftheearthmayincludepartofanocean,amountain,andpiecesoffarmland.Aspacemanseestheearth’sroundshapeandtheoutlineoflandandoceans.Theirviewsoftheearthareallcorrectbutnonereallytellswhattheearthtrulyis.DR_text2-3_STheearthisahugeballcoveredwithwater,rockandsoil,andsurroundedbyair.Itisoneofthenineplanetsthattravelaroundthesun.Theearthisthehomeofmankindandmanyotherlivingthings.Animalsandplantslivealmosteverywhereontheearth’ssurface.Theycanliveontheearthfirstlybecauseitisjusttherightdistancefromthesun.Livingthingsneedthesun’swarmthandlightforlife.Theyalsomusthavewatertolive.Theearthhasplentyofwaterthatcoversmostofitssurface.Athinlayerofrockcalledthecrustformstheearth’ssurface.Underthecrustishotliquidrock.Aballofhardmetalliesatthecenteroftheearth.DR_text4-5_STheearthisalwaysmoving.Itspinslikeatopandtravelsaroundthesunatthesametime.Weusethesetwomovementsoftheearthtomeasurethelengthsofadayandayear.Onedayisthetimeittakestheearthtospinaroundonce.Oneyearisthetimeittakestheearthtotraveloncearoundthesun.Tocallpeople’sattentiontotheimportanceofprotectingourmotherEarth,March21,thefirstdayofspring,hasbeennamedasEarthDaysince1970.Onthatday,peopleallovertheworldshowtheirlovefortheircommonhome--theearth.(330words)DR_text1_WTheEarthTheearthmeansmanythingstothepeoplewholiveonit.Toafarmer,theearthisrichsoil.Toaroadbuilder,theearthmeansmountainsofhardrock.Forasailor,theearthiswaterasfarastheeyecansee.Apilot’spictureoftheearthmayincludepartofanocean,amountain,andpiecesoffarmland.Aspacemanseestheearth’sroundshapeandtheoutlineoflandandoceans.Theirviewsoftheearthareallcorrectbutnonereallytellswhattheearthtrulyis.DR_text2-3_WTheearthisahugeballcoveredwithwater,rockandsoil,andsurroundedbyair.Itisoneofthenineplanetsthattravelaroundthesun.Theearthisthehomeofmankindandmanyotherlivingthings.Animalsandplantslivealmosteverywhereontheearth’ssurface.Theycanliveontheearthfirstlybecauseitisjusttherightdistancefromthesun.Livingthingsneedthesun’swarmthandlightforlife.Theyalsomusthavewatertolive.Theearthhasplentyofwaterthatcoversmostofitssurface.Athinlayerofrockcalledthecrustformstheeart