问题标题：
求初三英语作文.关于建国60周年的变化关于建国60周年的变化初三作文.
问题描述：
求初三英语作文.关于建国60周年的变化
关于建国60周年的变化初三作文.
刘文生回答：
ShenzhouVII
ChinesescientistshavefinishedassemblingtheLongMarchII-Frocketthatwillcarrythecountry'sthirdmanned（有人驾驶的）spaceship,ShenzhouVII,intospace.
TheChinaAcademyofLaunchVehicleTechnologyheldaceremonyonwednesdaytocelebratetheevent.
Therockethaspassedalltestsattheassemblystage.ItsoonwillbesenttotheJiuquanSatelliteLaunchCenterinthenorthwesternGansuProvince,readytocarrytheShenzhouVIIspaceshipintospacethisevening,sep25th.
JingMuchunisthechiefdesignerofthelaunchvehiclesystematChina'sMannedSpaceProgram.
"Thespacecraftwillbeattachedtotherocketatthelaunchsite.Wehavetestedthewholesystemabout10timestoensurethesafetyoftherocket,wealsomakequality-controlchecksandthinkaboutallpossibleproblemsbeforehand."
TheLongMarchII-FcarrierrocketisthelargestofitskindinChina,alsothesafestone.Scientistshavemademorethan30technicalimprovementsontherockettofurtherincreaseitsreliabilityforthelaunchoftheShenzhouVII.Thespacecraftarrivedatthelaunchcenterearlierthismonth.
Chinasuccessfullysenttwomannedspacecraftintoorbitin2003and2005respectively
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