2018_2019学年高中英语module5theconquestoftheuniverse课下能力提升二十含解析外研版选修

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1、课下能力提升(二十)Ⅰ.阅读理解Boredwithyourlife?Dreamingofsomethingdifferent?Ialwayswonderwhatlifewouldbelike400kmabovemyhead.That'swheretheInternationalSpaceStationorbitstheearth,withsixastronautslivingandworkingonboard,formonthsatatime.Howdotheysleep?Theyspendthen

2、ightfloatinginasleepingbaginsideasmallcubicle(小隔间)ontheceiling.AmericanastronautSunitaWilliamsexplains,“It'slikealittlephonebooth,butit'sprettycomfortableanditdoesn'tmatterifIturnoverandsleepupsidedown.Idon'thaveanysensation(感觉)inmyheadthattellsmeI'mup

3、sidedown.”Brushingyourteethinaplacewhereyoucan'thaveataporasinkcanbeachallenge.Canyouimaginethemessthatrunningwaterwouldmakeinzerogravity?CanadianastronautChrisHadfieldusesastrawtoputabigblob(一滴)ofwaterfromasealedbagontoanordinarytoothbrushandaddsalitt

4、letoothpastewhichhehastoswallowwhenhe'sdone.Dailyexerciseisessential.Thelackofgravitymakesbonesmorefragileandmuscleslosestrength—soastronautsareencouragedtoworkoutforatleasttwohoursaday.TheroleofastronautsintheInternationalSpaceStationistoactaslabtechn

5、iciansforscientistsbackonearth.SotheyspendtheirtimemaintainingtheirenvironmentandperformingandmonitoringexperimentsinaconfinedspaceaboutthesizeofaBoeing747.Almosteverytaskiscarefullyplannedbymissioncontrol—althoughmostastronautsspendtheirfirstdayslosin

6、gthingsuntiltheygetusedtostickingeverythingtheyusetothewallswithVelcro,ducttape(强力胶带)orclips(夹子)．Oneoftheirmostvaluedperks(额外待遇)istheviewfrom“theoffice”，dominatedbythatgiganticblueballdownthere,sittinginthedarknessofspace.Wow!Absolutelybreathtaking!1．W

7、hentheysleepupsidedown,theastronautswillnotgetdizzybecause________.A．theydon'tfeelitB．theysleepinthedaytimeC．theysleepinspecialsleepingbagsD．theyaretrainedtoadapttotheconditionsofweightlessness解析：选A　细节理解题。根据第二段的“AmericanastronautSunitaWilliamsexplains,

8、‘It'slikealittlephonebooth,butit'sprettycomfortableanditdoesn'tmatterifIturnoverandsleepupsidedown.Idon'thaveanysensation(感觉)inmyheadthattellsmeI'mupsidedown.’”可知，宇航员倒着睡不会晕是因为大脑并没有感知到这种颠倒的行为，故选A。2．Whymayastronautslosethings?A．Becausethe