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The cause of the wreck of the ship Edmund Fitzgerald in a severe storm on Lake Superior is still unknown. When the sunken wreckage of the vessel was found, searchers discovered the hull in two pieces lying close together. The storm‘s violent waves would have caused separate pieces floating even briefly on the surface to drift apart. Therefore, the breakup of the hull can be ruled out as the cause of the sinking.
Which of the following is an assumption on which the argument depends?
A.Ships as large as the Edmund Fitzgerald rarely sink except in the most violent weather.
B.Underwater currents at the time of the storm did not move the separated pieces of the hull together again.
C.Pieces of the hull would have sunk more quickly than the intact hull would have.
D.The waves of the storm were not violent enough to have caused the ship to break up on the surface.
E.If the ship broke up before sinking, the pieces of the hull would not have remained on the surface for very long.
原文说EF船在风暴中的沉没原因未知。沉船残骸船体分成两半靠在一起。风暴的浪本应该使分开的船体隔开很远。因此船体的分开不是沉船的原因。
B 说水下洋流不会让分开的船体靠拢在一起
不明白为什么会是原文的假设啊?我选的是E
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