section5-26 In its most recently approach, the comet Crommelin passed the earth at about the same distance and in about the same position, some 25 degrees above the horizon, that Halley's comet will pass the next time it appeaars. (D)as will Halley's comet (E)as Halley's comet will do
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发表于 2010-9-13 18:24:08
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