2013英语四六级备考：改错练习题(9)思维导图
第九篇： 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
树图思维导图提供 2013英语四六级备考：改错练习题(9) 在线思维导图免费制作，点击“编辑”按钮，可对 2013英语四六级备考：改错练习题(9) 进行在线思维导图编辑，本思维导图属于思维导图模板主题，文件编号是：a236071cbc4e3d109678f75142560b30
思维导图大纲
2013英语四六级备考：改错练习题(9)思维导图模板大纲
第九篇：ErrorCorrection(15minutes)
Somepeople,inallseriousness,saythat
humanswillbelivinginspacewithinthenext
hundredorsoyears.PlanetEarthwillbecrowded,
dirtyandlackofresources.Asortofexodus--71.
(移居)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.
fromthecenterbycentrifugal(向心的)force.
ThemoonandMarscouldbecomenewsourcesof
newmaterials.Drivingthroughspacewillno--78.
longerneedEarthfuel-theenergywouldcome
fromthesun.Thisenergywouldbeconvertedfrom--79.
electricitytoworkmagneticrockets.
Thatallsoundsquietfantasticallybut,with--80.
therapiddevelopmentofmoderntechnology,who
knowsaboutwhatthefutureholds?
答案：71.sort--short
72.launch--launched
73.it--which
74.crews--crew
75.Upon---Once
76.rotation--rotate
77.inward--outwards
78.will--would
79.from--into
80.fantastically--fantastic
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