2013英语四六级备考：改错练习题(8)思维导图
第八篇： Error Correction (15 minutes) Some people, in all seriousness, say that humans will be living in space within the next hundred or so years. Planet Earth will be
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思维导图大纲
2013英语四六级备考：改错练习题(8)思维导图模板大纲
第八篇：ErrorCorrection(15minutes)
Somepeople,inallseriousness,saythat
humanswillbelivinginspacewithinthenext
hundredorsoyears.PlanetEarthwillbecrowded,
dirtyandlackofresources.Asortofexodus--71.
ofmankindwillbegin.
Spaceshipswillbeassembledsothatthey
revolvearoundtheearth.Somemayorbitaround
Mars.Thesespacestationswillbeservicedby
spacebuses.Wesawthefirstspacebuslaunchin--72.
April1981.Thiswas"Columbia",itmadeseveral--73.
orbitsaroundtheearthandthenreturned,landing
onahugedrylakebedinCalifornia."Columbia"
willbeusedagain.Previousspaceshipshave
beenabandoned,onlythenoseconebeingused
tobringthecrewsbacktoearth.--74.
Uponestablished,eachspacestationwill--75.
generateitsownatmosphereandhaveitsown
agriculture.Itwillneedtorotationtoprovide--76.
anartificialgravity;peoplewillbeforcedinwards--77.
fromthecenterbycentrifugalforce.
ThemoonandMarscouldbecomenewsourcesof
newmaterials.Drivingthroughspacewillno--78.
longerneedEarthfuel-theenergywouldcome
fromthesun.Thisenergywouldbeconvertedfrom--79.
electricitytoworkmagneticrockets.
Thatallsoundsquitefantasticallybut,with--80.
therapiddevelopmentofmodernstechnology,who
knowsaboutwhatthefutureholds?
答案：71.lack--short
72.launch--launched
73.it--which
74.crews--crew
75.upon--once
76.rotation--rotate
77.inwards-outwards
78.will--would
79.from--into
80.fantastically--fantastic
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