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1、Astronautsonshortershuttlemissions(使命)often阅读理解答案　　Astronautsonshortershuttlemissions(使命)oftenworkverylongdays.Tasksarescheduledsotightlythatbreaktimesareoftenusedtofinishtheday’swork.ThistypeofscheduleisfartoodemandingforlongmissionsontheInternationalSpaceStation（ISS）.ISScre

2、wmembersusuallyliveinspaceforatleastaquarterofayear.TheyworkfivedaysonandtwodaysofftomimicthenormalwaytheydothingsonEarthasmuchaspossible.Weekendsgivethecrewvaluable.Weekendsgivethecrewvaluabletimetorestanddoafewhoursofhousework.Theycancommunicatewithfamilyandfriendsbyemail,i

3、nternetphoneandthroughprivatevideoconferences.　　Whileastronautscannotgotoabaseballgameoramovieinorbit,therearemanyfamiliaractivitiesthattheycanstillenjoy.Beforeamission.ThefamilyandfriendsofeachISScrewmemberputtogetheracollectionoffamilyphotos,messages,videosandreadingmateria

4、lfortheastronautstolookatwhentheywillbefloating370kilometersabovetheEarth.Duringtheirmission,thecrewalsoreceivescarepackageswithCDs,books,magazines,photosandletters.Andasfromearly2010,theinternetbecameavailableontheISS,givingastronautsthechancetodosome“websurfing（冲浪）”intheirp

5、ersonaltime.Besidesrelaxingwiththesemorecommonentertainments,astronautscansimplyenjoytheexperienceoflivinginspace.　　ManyastronautssaythatoneofthemostrelaxingthingstodoinspaceistolookoutthewindowandstareattheuniverseandtheEarth’svastlandmassandoceans.　　25.Whatdoestheword“minic

6、”inParagraph1probablymean?　　A.FindB.CopyC.ChangeD.Lose　　26.WhichofthefollowingbestdescribesthefamiliesoftheastronautsontheISS?　　A.ThearecaringandthoughtfulB.Theareimpatientandannoyed　　C.Theareimpatientandammoyed.D.Theareexcitedandcurious.　　27.Inthefinalparagraph,theauthorshow

7、sthatastronauts.　　A.getmorepleasureinspacethanontheEarthB.findlivinginspaceabitboringandtiring　　C.regardspacelifeascommonD.lovetoseetheEarthfromspace　　28.Thepassagemainlydiscusseshowastronauts.　　A.workforlongermissionsinspaceB.connectwithpeopleontheEarth　　C.observetheEarthfro

8、mspaceD.spendtheirfreetimeinspace　　1．B2．A3．D4．D