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题库 / Prep2007E2-CR-31
The symptoms that United States President Zachary Taylor began showing five days before his death are consistent with arsenic poisoning. Recent examination of Taylor's bones, however, revealed levels of arsenic comparable to those found in the bones of Taylor's contemporaries. These levels are much lower than the levels of arsenic that remain in the bones of arsenic poisoning victims who live for more than a day after ingesting a lethal dose of the poison.
Which of the following is most strongly supported by the statements given?
The symptoms that Taylor began showing five days before his death are consistent with poisoning other than arsenic poisoning.
Taylor's death was not the result of any kind of poisoning.
The symptoms that Taylor began showing five days before his death were not caused by a lethal dose of arsenic.
The symptoms that Taylor began showing five days before his death grew more severe each day.
It is unusual for a person who has ingested a lethal dose of arsenic to survive for more than a day.
ZT在临终之前5天所表现出来的症状和 arsenic poisoning一致。最近对ZT遗体的骨头鉴定发现，遗留的毒素含量比起那些吞下致命剂量且活了超过一天的人的骨头内的毒素更低
must be true:
choice c, ZT去世前5天表现出来的症状并不是由致命剂量引起的
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