First live class from Chinas space station 中国空间站首次直播课

1、PAGE PAGE - 4 -FirstliveclassfromChinasspacestation中国空间站首次直播课任嘉礽中国空间站开展首次太空授课活动，开启了“天宫课堂”第一课。“太空教师”翟志刚、王亚平、叶光富在中国空间站为广大青少年带来了一堂精彩的太空科普课。ThreeChineseastronautswonderfulvoicesresoundedinthegroundclassroomsastheschoolchildrenlistenedwithattention.Thiswasnoordinarycourse.Itwasdeliveredsome400kmabovetheE

2、arthinChinasspacestationbyZhaiZhigang，WangYapingandYeGuangfu.Atotalof1，420studentsattendedthelecturefromfiveclassroomsacrossChina.Atthebeginningoftheclass，Wang，thefirstfemaleastronauttoenterChinasspacestation，gavethestudentsatouroftheirlivingandworkingareasatthespacestationsTianhecoremodule.Sheshowe

3、dtheirbedroomsandtoilet，afullyfunctionalkitchenwheretheastronautspreparetheirmealseachday，theareawheretheyconductscientificexperimentsandtheirfitnessequipment.Inthekitchen，sheshowedthestudentsamicrowave，awaterdispenserandamini?refrigeratorfromwhichshetookoutafreshapple.Inresponsetoastudentsquestiona

4、boutwater，Wangsaidthewatertheydrinkisrecycled，notingthatthereisnodifferenceintastebetweenregularandrecycledwater.Withawaterrecyclingsystem，everydropofwaterisfullyusedinthespacestation.Afterthetour，thethreeastronautsdemonstratedseveralscientificexperimentsunderzero?gravityconditions.First，Yedemonstra

5、tedexperimentsrelatedtocellgrowthintheweightlessenvironmentinspacewithavideoclip.Theycomparedthegrowthandshapeofcellsinartificialgravityandzero?gravitytostudytheirchangingrulesandmechanisms.“Theylookamazinginspace，asiftheyarebeating，”hesaid，explainingthatthebeatingandgleamingoccurredasthelivingcells

6、hadabioelectricalreaction.YeandWangthendemonstratedandexplainedwhyastronautscannotwalkinspaceliketheydidontheEarthandhowtheyturnaroundinzerogravity.Theteamalsoconductedanexperimenttoshowhowlackofgravitycauseslossinbuoyancy（浮力），anexperimentusingwaterrefractioninaweightlessenvironmentusingawaterball.A

7、ttheendofthe60?minuteclass，thethreeastronautstriedtoarousestudentscuriositythroughareal?timequestionandanswersession.Theyansweredthequestionsandwrappeduptheclasswiththeirbestwishes.“Thesecretsofspaceandscienceareboundless，andthefutureisyours，”saidZhai，commanderoftheShenzhou?13mission.1.Whatwasspecia

8、labouttheclass？A.Itwasgivenbyfamousastronauts.B.Itwasperformedindistantspace.C.Itwasanonlineclassforstudents.D.ItwasdesignedforChinesestudents.2.Howdidtheclassbeginaccordingtothetext？A.Thestudentsobservedtheweightlessstateinspace.B.Theastronautsshowedtheirspacelabtothestudents.C.Theastronautsgavestu

9、dentsatourofmysteriousspace.D.ThestudentslearnedaboutconditionsintheTianhecoremodule.3.Whatcanweknowaboutthewaterinthespacestation？A.Itisadequatefortheastronauts.B.Ittastesdelicious.C.Itcanberecycled.D.Itiskeptinthefridge.4.Whydidtheastronautsprepareareal?timequestionandanswersession？A.Toadvisestude

10、ntstolearnscience.B.Tostimulatestudentsinterestinspace.C.Toconcludetheirclassinauniqueway.D.Toshowtheirexpectationsofthestudents.DifficultsentenceinthetextAtthebeginningoftheclass，Wang，thefirstfemaleastronauttoenterChinasspacestation，gavethestudentsatouroftheirlivingandworkingareasatthespacestationsTianhecoremodule.作为第一位进入中国空间站的女性宇航员，王亚平在课程一开始就带领学生们参观了空间站天河核心舱的生活和工作区域。【点石成金】toenterChinasspacestation为动词不定式作定语，femaleastrona