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Which of the following statements is NOT true about the survey? [br] [originalt
Which of the following statements is NOT true about the survey? [br] [originalt
游客
2025-01-17
9
管理
问题
Which of the following statements is NOT true about the survey? [br]
Measuring people’s sense of smell in later life could help doctors predict how likely they are to be alive in five years’ time, a PLOS One study suggests. A survey of 3, 000 adults found 39% with the poorest sense of smell were dead within five years — compared 19% with moderate smell loss and just 10% who identified odors correctly.
And despite taking issues such as age, nutrition, smoking habits, poverty and overall health into account, researchers found those with the poorest sense of smell were still at greatest risk.
Lead scientist, Prof. Jayant Pinto, said: "We think loss of the sense of smell doesn’t directly cause death, but it is a harbinger, an early warning system that shows damage may have been done. Our findings could provide a quick inexpensive way to identify patients most at risk. " Exactly how smell loss contributes to lifespan remains unclear, but the researchers put forward a number of possible reasons behind the link.
They say a reduced ability to sniff out odors could signal less regeneration or repair of cells in the body overall, as a healthy sense of smell depends partly on a continual turnover of cells that line the nose.
And a worsening sense of smell may serve as a mirror for a lifetime’s exposure to pollution and bugs, they say.
选项
A、A reduced ability to sniff out odors.
B、Long time exposure to pollution.
C、Drinking water polluted by bugs.
D、A lifetime’s symptoms of asthma.
答案
B
解析
原文指出嗅觉恶化是一面镜子,它反映了终生面对污染和臭虫所带来的后果。A选项是对嗅觉恶化的同义转述,也就是对结果的描述,不能作为原因。本题问的是引起嗅觉失灵的可能原因,答案应为B长期的污染。C选项与原文有很大出入,不能入选。
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