2015年高考英语真题分类汇编：专题16-阅读理解之科普类说明文-Word版含解析.doc

《2015年高考英语真题分类汇编：专题16-阅读理解之科普类说明文-Word版含解析.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、专题十六阅读理解之科普类说明文1.【2015·湖北卷】DTheoddnessoflifeinspaceneverquitegoesaway.Herearesomeexamples.Firstconsidersomethingassimpleassleep.Itspositionpresentsitsownchallenges.Themainquestioniswhetheryouwantyourarmsinsideoroutsidethesleepingbag.Ifyouleaveyourarmsout,theyfloatfreeinzerogravity,oftengivinga

2、sleepingastronautthelookofafunnyballed（芭蕾）dancer.“I’maninsideguy,”MikeHopkinssays,whoreturnedfromasix-monthtourontheInternationalSpaceStation.“Iliketobewrappedup.”Onthestation,theordinarybecomesstrange.TheexercisebikefortheAmericanastronautshasnohandlebars.Italsohasnoseat.Withnogravity,it’sjus

3、taseasytopedalviolently.Youcanwatchamoviewhileyoupedalbyfloatingamicrocomputeranywhereyouwant.Butstationresidentshavetobecarefulaboutstayinginoneplacetoolong.Withoutgravitytohelpcirculateair,thecarbondioxideyouexhale(呼气)hasatendencytoformaninvisible（隐形的）cloudaroundyouhead.Youcanendupwithwhatas

4、tronautscallacarbon-dioxideheadache.LeroyChiao,54,anAmericanretiredastronautafterfourflights,describeswhathappensevenbeforeyoufloatoutofyourseat,”Yourinnerearthinksyour’refalling.Meanwhileyoureyesaretellingyouyou’restandingstraight.Thatcanbeannoying—that’swhysomepeoplefeelsick.”Withinacoupleda

5、ys—trulyterribledaysforsome—astronauts’brainslearntoignorethepanickysignalsfromtheinnerear,andspacesicknessdisappears.Spacetravelcanbesodelightfulbutatthesametimeinvisiblydangerous.Forinstance,astronautslosebonemass.That’swhyexerciseisconsideredsovitalthatNationalAeronauticsandSpaceAdministrat

6、ion(NASA)putsitrightontheworkdayschedule.Thefocusonfitnessisasmuchaboutscienceandthefutureasitisaboutkeepinganyindividualastronautsreturnhome,and,moreimportantly,howtomaintainstrengthandfitnessforthetwoandahalfyearsormorethatitwouldtaketomakearound-triptoMars.63.Whatisthemajorchallengetoastron

7、autswhentheysleepinspace?A.DecidingonapropersleeppositionB.ChoosingacomfortablesleepingbagC.SeekingawaytofallasleepquicklyD.Findingarighttimetogotosleep.64.Theastronautswillsufferfromacarbon-dioxideheadachewhen_____. A.theycirclearoundo