Spacetourismmightbethedreamofmanypeopleontheplanetbutajourneytospaceisnotisnotaseasyassimplybuyingsometicketsatatravelsearchengine；itisonlyreservedfortheprivilegedfewthatcanaffordthecost..Oneof

　　Spacetourismmightbethedreamofmanypeopleontheplanetbutajourneytospaceisnotisnotaseasyassimplybuyingsometicketsatatravelsearchengine；itisonlyreservedfortheprivilegedfewthatcanaffordthecost..OneoftheoptionsthatimpressedmemostistheoneofferedbyacompanycalledSpaceAdventures.

　　WhattheyhaveinplaceisaspacetourismprogramthatslowsyoutotravelwiththeSoyuztotheInternationalSpaceStation(ISS).Thetripstartsafewmonthsinadvancewithintensivetrainingdealingmainlywithgravityoperationsfightcontrolandsurvivalactivities.

　　Whenalltinstrainingisoveryourspacetripbegins.Thetripcanbeplannedexactlyaccordingtoyourneedswhetheryou’regoingforscientificresearchorsimplyforanadventure.Idoubtwhetheryouwillfindanyotherkindoftripthathassuchathoroughpreparationperiodbeforehand.

　　Oneofthegreatthingstodoevenifitmakesyourspacetripabitmoreexpensiveisthatyoucouldgoonaspacewalkduringyourtrip.Thatwoulddefinitelybeagoodopportunitytodanceoutsidewithyourlovedonetoaslowwaltz…SorryIforgetthere’snosoundinspace!

　　Whateveroptionyouchoosetheonlyobstacleyoumightfaceisthecost.Alltheotherrequirementsseemtobelessthanthoseforgettingavisatoaforeigncountry.Generallyyourheightshouldbebetween160and185cmyourweightbetween50and95kgandbeingoodhealth.

　　Finallyinanswertothequestionyou’vebeenwonderingabout.GrantedspacetourismisexpensivebutexactlyhowexpensivewouldanormalscheduledflighttotheISScost?Wouldyoubelieveitcostsbetween$30and$40million?ARussianlanguagecourseisincluded!

　　51.Besidesthebodyrequirementswhichofthefollowingismostlikelytostopsomeonefromgoingintospace?

　　A.Theirknowledge. B.The climate. C.The cost. D.Avisa

　　52．Whichofthefollowingstatementsbestdescribesthemainideaofthispassage？

　　A．Spacetourism―adreammadereality？

　　B．Areyoureadyforspacetourism？

　　C．Howtoparticipateinaspacetourismprogram.

　　D．Whyonlyafewprivilegedpersonscanaffordspacetrips.

　　53．Theword“that”inthefourthparagraphrefersto ．

　　A．aspacewalk