摘 要: | Lying comfortably upon a sofa, Marker Bray-ton smiled as he read old Morryster's book:Marvels of Science. He unconciously(无意识的)1 the book without changing the 2 of his eyes. As soon as the book had gone 3 the line of sight,something in a 4 of the room attracted his 5 In the shadow underthe 6 he noticed two points of light about
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