2019-2020年高考英语题型步步衔接 专题19 科普阅读

《2019-2020年高考英语题型步步衔接 专题19 科普阅读》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、2019-2020年高考英语题型步步衔接专题19科普阅读【母题来源】【xx·湖北卷高考阅读理解】【母题原题】【xx·湖北卷】DTheoddnessoflifeinspaceneverquitegoesaway.Herearesomeexamples.Firstconsidersomethingassimpleassleep.Itspositionpresentsitsownchallenges.Themainquestioniswhetheryouwantyourarmsinsideoroutsidethesleepingbag.Ifyouleaveyourarmsout

2、,theyfloatfreeinzerogravity,oftengivingasleepingastronautthelookofafunnyballed（芭蕾）dancer.“I’maninsideguy,”MikeHopkinssays,whoreturnedfromasix-monthtourontheInternationalSpaceStation.“Iliketobewrappedup.”Onthestation,theordinarybeesstrange.TheexercisebikefortheAmericanastronautshasnohandle

3、bars.Italsohasnoseat.Withnogravity,it’sjustaseasytopedalviolently.Youcanwatchamoviewhileyoupedalbyfloatingamicroputeranywhereyouwant.Butstationresidentshavetobecarefulaboutstayinginoneplacetoolong.Withoutgravitytohelpcirculateair,thecarbondioxideyouexhale(呼气)hasatendencytoformaninvisible（

4、隐形的）cloudaroundyouhead.Youcanendupwithwhatastronautscallacarbon-dioxideheadache.LeroyChiao,54,anAmericanretiredastronautafterfourflights,describeswhathappensevenbeforeyoufloatoutofyourseat,”Yourinnerearthinksyour’refalling.Meanwhileyoureyesaretellingyouyou’restandingstraight.Thatcanbeanno

5、ying—that’swhysomepeoplefeelsick.”Withinacoupledays—trulyterribledaysforsome—astronauts’brainslearntoignorethepanickysignalsfromtheinnerear,andspacesicknessdisappears.Spacetravelcanbesodelightfulbutatthesametimeinvisiblydangerous.Forinstance,astronautslosebonemass.That’swhyexerciseisconsi

6、deredsovitalthatNationalAeronauticsandSpaceAdministration(NASA)putsitrightontheworkdayschedule.Thefocusonfitnessisasmuchaboutscienceandthefutureasitisaboutkeepinganyindividualastronautsreturnhome,and,moreimportantly,howtomaintainstrengthandfitnessforthetwoandahalfyearsormorethatitwouldtak

7、etomakearound-triptoMars.63.Whatisthemajorchallengetoastronautswhentheysleepinspace?A.DecidingonapropersleeppositionB.ChoosingafortablesleepingbagC.SeekingawaytofallasleepquicklyD.Findingarighttimetogotosleep.64.Theastronautswillsufferfromacarbon-dioxideheadachewhen