美国历史文化概况（英文版）UNIT11ScienceandTechnology

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1、Unit11ScienceandTechnologyCONTENTSTeachingAimsTextATextBSupplementingReadingTEACHINGAIMSAfterstudyingthisunit,youarerequiredto:1.HaveageneralideaofScienceandTechnology.2.UnderstandtheimportanceofScienceandTechnology.3.Masterthedifficultwordsandexpressions.TextALyndonB.JohnsonSpa

2、ceCenterTEXTAPreview建立于1961年的约翰逊航天中心，即林顿•约翰逊太空中心，坐落于美国得克萨斯州的克利尔湖西畔，距休斯敦市区约40千米，占地4.38×107平方米。它是美国国家航空航天局属下的一个机构，担负着美国载人航天飞行的设计、研制和试验工作。它还是实施“水星”“双子星”“阿波罗”计划和天空实验室、国际空间站等载人航天计划的主战场。现在，该中心是NASA的月球标本库、航天飞行科学研究和医学研究的大本营，并在天体岩石研究上处于世界领先地位。TEXTAReadingComprehensionReadthefollowingsent

3、encesanddecidewhethertheyaretrue（T)orfalse（F)．1.Thecenter'sMissionControlCenterhasnotbeentheoperationalcenterofeveryAmericanhumanspacemissionsinceGeminiV.（）2.InadditiontohousingNASA'sastronautoperations,JSCisalsothesiteoftheformerLunarReceivingLaboratory,wherethefirstastronautsr

4、eturningfromthemoonwerequarantined,andwherethemajorityoflunarsamplesarestored.()3.InthewakeoftheJanuary28th,1986SpaceShuttleColumbiadisaster,then-PresidentRonaldReaganandFirstLadyNancytraveledtoJSConJanuary31tospeakatamemorialservicehonoringtheastronauts.()TEXTAReadingComprehens

5、ion4.TheApolloMissionControlCenter,aNationalHistoricLandmarkcanbefoundinbuilding300.()5.AstronautsbegintheirtrainingintheSMSusingtrainingsoftwareuntiltheyareassignedtoaparticularmission.AstronautsalsotrainwiththeflightcontrollersintheMissionControlCenter.()TEXTANotesTheApollopro

6、gram:wastheAmericanspaceflightendeavorwhichlandedthefirsthumansonEarth'sMoon.ConceivedduringthepresidencyofDwightD.EisenhowerandconductedbyNASA,ApollobeganinearnestafterPresidentJohnF.Kennedy'sMay25,1961specialaddresstoajointsessionofCongressdeclaringanationalgoalof"landingamano

7、ntheMoon"bytheendofthedecade.TEXTANotes2.WilliamMarshRiceUniversity:commonlyknownasRiceUniversityandopenedin1912asTheWilliamMarshRiceInstitutefortheAdvancementofLetters,ScienceandArtisaprivatecoeducationalresearchuniversitylocatedinHouston,Texas,UnitedStates.Itscampusislocatedne

8、artheHoustonMuseumDistrictandadjacenttotheTexas