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美语听力素材:大规模枪击案研究表明 半自动步枪杀伤力最大

Source: 恒星英语学习网    2018-11-27   English BBS   Favorite  

The study looks at FBI data from nearly 250 shooting incidents in the United States since 2000.
On average, four people died in attacks using a semi-automatic weapon, versus two when the weapon needs to be re-set after every shot.The chances of dying after being shot stays the same, regardless of firearm type.

The researchers say because the incidents tend to happen in confined spaces with an intent to kill. The lead researcher is a trauma surgeon at Brigham and Women's Hospital in Boston.
The results are published in the journal of the American Medical Association.
Chris Foster, FOX News.


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