2019_2020学年高中英语Module5TheConquestoftheUniverse单元加餐练外研版选修8.docx

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1、单元加餐练Ⅰ.阅读理解Boredwithyourlife?Dreamingofsomethingdifferent?Ialwayswonderwhatlifewouldbelike400kmabovemyhead.That'swheretheInternationalSpaceStationorbitstheearth,withsixastronautslivingandworkingonboard,formonthsatatime.Howdotheysleep?Theyspendthenightfloatinginasleepingbaginsideasmallcubicle(小隔间)on

2、theceiling.AmericanastronautSunitaWilliamsexplains,“It'slikealittlephonebooth,butit'sprettycomfortableanditdoesn'tmatterifIturnoverandsleepupsidedown.Idon'thaveanysensation(感觉)inmyheadthattellsmeI'mupsidedown.”Brushingyourteethinaplacewhereyoucan'thaveataporasinkcanbeachallenge.Canyouimaginethemess

3、thatrunningwaterwouldmakeinzerogravity?CanadianastronautChrisHadfieldusesastrawtoputabigblob(一滴)ofwaterfromasealedbagontoanordinarytoothbrushandaddsalittletoothpastewhichhehastoswallowwhenhe'sdone.Dailyexerciseisessential.Thelackofgravitymakesbonesmorefragileandmuscleslosestrength—soastronautsareen

4、couragedtoworkoutforatleasttwohoursaday.TheroleofastronautsintheInternationalSpaceStationistoactaslabtechniciansforscientistsbackonearth.SotheyspendtheirtimemaintainingtheirenvironmentandperformingandmonitoringexperimentsinaconfinedspaceaboutthesizeofaBoeing747.Almosteverytaskiscarefullyplannedbymi

5、ssioncontrol—althoughmostastronautsspendtheirfirstdayslosingthingsuntiltheygetusedtostickingeverythingtheyusetothewallswithVelcro,ducttape(强力胶带)orclips(夹子)．Oneoftheirmostvaluedperks(额外待遇)istheviewfrom“theoffice”，dominatedbythatgiganticblueballdownthere,sittinginthedarknessofspace.Wow!Absolutelybrea

6、thtaking!语篇解读本文主要讲述了太空中宇航员的生活和工作情况。1．Whentheysleepupsidedown,theastronautswillnotgetdizzybecause________.A．theydon'tfeelitB．theysleepinthedaytimeC．theysleepinspecialsleepingbagsD．theyaretrainedtoadapttotheconditionsofweightlessness解析：选A　细节理解题。根据第二段的“AmericanastronautSunitaWilliamsexplains,‘It'slike

7、alittlephonebooth,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．Whymayastronautslo