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题库 / Prep2012-CR-58
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?
Ships as large as the Edmund Fitzgerald rarely sink except in the most violent weather.
Underwater currents at the time of the storm did not move the separated pieces of the hull together again.
Pieces of the hull would have sunk more quickly than the intact hull would have.
The waves of the storm were not violent enough to have caused the ship to break up on the surface.
If the ship broke up before sinking, the pieces of the hull would not have remained on the surface for very long.
发现hull碎成两块躺在一起，因为风暴的力量会将漂浮在水面的分开的零部件刮走，所以沉船的原因是hull被分裂了。问assumption
choice b, 风暴时的海底水流并不会把分开的零部件合在一起。correct，取非，水流会把分开的零部件合在一起，说明hull可能是沉到了海底以后再分开来的，因此hull就不是沉船的原因
你好像说反了。rule out: to state that sth is not possible or that sb/sth is not suitable 把…排除在外；认为…不适合 题干里说的应该是把沉船是因为hull被分裂这个可能性排除了。
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