一道英语阅读题:Theword“colossal”inLin-查字典问答网
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  一道英语阅读题:Theword“colossal”inLine3mostlikelymeans________.Computersmayonedayturnnightintoday—withgoodold,naturalsunlight.Colossalcomputer-controlledmirrors,thousandsoffeetacross,mayonedayorbittheearth,

  一道英语阅读题:Theword“colossal”inLine3mostlikelymeans________.

  Computersmayonedayturnnightintoday—withgoodold,naturalsunlight.

  Colossalcomputer-controlledmirrors,thousandsoffeetacross,mayonedayorbittheearth,reflectingsunlightontoadarkenedUnitedStates.

  SomeScientistssaythat16ofthesemirrors,eachaboutahalfmileacross,couldaimtheirreflectedlightatoneareaontheearththatwasabout200milesby300miles.Thatmuchlightwouldequalabout56moons.

  Themirrorswouldbesohighthattheycouldcatchthesun’slightasitwasshiningontheothersideoftheearth.Themirrorscouldorbit—thousandsofmileshigh—atthesamespeedastheearthturnsonitsaxis(轴).Thatway,the

  mirrorswouldalwaysbeoverthesamespot.

  Thealuminum-coated(涂铝的),plasticmirrorscouldbefoldedupandpackedintoaspaceship,accordingtothescientists.Oncereleasedafewhundredmilesinspace,themirrors,poweredbyasolar-poweredengine,couldmarktherestofthetripintospaceontheirown.

  Thescientistssaythatthecomputer-controlledmirrorscouldalsobemadetotilt(倾斜)slowly,sothereflectedsunlightwouldsweepslowlyalongthesurfaceoftheearth.Forexample,asnightfell,themirrorscouldbetiltedtolightupBoston.Lateron,asdarknessspreadslowlywestward.Chicago,forexample,thenSanFranciscocouldbelitup.Thereflectedsunlightwouldallowthesecitiestosaveupelectricity.Andinemergencies,suchaspower-failures,themirrorscouldlightuptheaffectedarea.

  Whatnooneknowsyetiswhateffectthisartificialdaytimewouldhaveonplants,animals,andhumans.Woulditconfusesomeanimalsandharmplantsthatareusedtoregularday-nightcycles?Thescientistsrecommendthatstudiesbedonetofindoutwhathadeffectstheremightbe.

  Theword“colossal”inLine3mostlikelymeans________.

  A)nuclear-powered

  B)orbiting

  C)giant

  D)spinning(D)

  为什么选D啊?

1回答
2020-06-09 09:12
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万嘉若

  题有错误.应该选C庞大的巨大的.

2020-06-09 09:15:38

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