问题标题:
【求助GRE逻辑题exercise3的第十题9.Theclosestdistancefromwhichanasteroidhasbeenphotographedusingground-basedradaris2.2millionmiles,thedistancefromwhichtheasteroidToutatiswasrecentlyphotographed.Theclosestphotographof】
问题描述:
求助GRE逻辑题exercise3的第十题
9.Theclosestdistancefromwhichanasteroidhasbeenphotographedusingground-basedradaris2.2millionmiles,thedistancefromwhichtheasteroidToutatiswasrecentlyphotographed.TheclosestphotographofanasteroidisofGaspra,whichwasphotographedfromadistanceofonly10,000miles.
Whichofthefollowingcanbeproperlyconcludedfromthestatementsabove?
(A)ToutatisismorelikelytocollidewiththeEarththanGasprais.
(B)Toutatis,unlikeGaspra,hasonlyrecentlybeendiscovered.
(C)Asteroidscanbephotographedonlybyusingground-basedradar.
(D)Ground-basedradarphotographycannottakephotographsofobjectsmuchbeyond2.2millionmilesfromEarth.
(E)ThephotographofGasprawasnottakenusingground-basedradar.
答案选的E,可是我觉得这一段文字里并没有证据证明这张照片不是用地面雷达拍摄的啊,E推不出来吧
【这个答案是别人给的我怀疑会不会有错】
廖瑞金回答:
你看距离啊,一个是2.2millionmiles,一个是10,000miles.
就是说常识是ground-basedradar大概2200000米,但这个才10000米
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