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Antinuclcar campaigners plan to announce that a new study shows that infant death rates downwind of eight American nuclear power
Antinuclcar campaigners plan to announce that a new study shows that infant death rates downwind of eight American nuclear power
admin
2011-02-28
21
问题
Antinuclcar campaigners plan to announce that a new study shows that infant death rates downwind of eight American nuclear power plants dropped significant after they were shut down.
Some plan to use the findings to support calls for closing the nuclear reactors at Indian Point( A nuclear power station is U. S. A. ), the plant closest to New York City. But federal officials, some radiation experts and representatives of the nuclear plants and that minute, occasional releases from such plants were much lower than natural radiation levels,
The new statistical study, which is being published in Archives of Environmental Health, was conducted by a group of scientists who for many years have intended to show a link between mortality and illness and low levels of radiation from power plants, bomb tests and other sources.
The study said the infant death rate in communities for two years before the plant shutdowns averaged 8.44 deaths per l, 000 births and, when all the mortality data for two years after the plant shutdowns were combined, the infant mortality rate dropped to 7.01 per l, 000 births. The difference was statistically significant, the authors said, and the drop was greater than the general drop in infant death rates around the country in recent years.
Joseph Mangano, a public health statistician and the national coordinator for the group, said a statistical link does not prove a cause and effect, but points to the need for more work. He said," The list is literally endless. This doesn’t mean we’ve proved anything beyond a shadow of a doubt, but what I will say is we really need to do more follow-up."
According to the passage, it can be inferred that______.
选项
A、many unclear plants will be shut down gradually
B、the release of Indian Point nuclear plant is serious
C、infant death rate study is the main task of the Archives of Environmental Health
D、no one makes sure that the nuclear radiation causes infant deaths
答案
D
解析
推理判断题。由最后一段可以推断出,现在还不能确信核辐射是否能致死,故答案选D项;因为该报告并不明确,所以政府不会关掉核电站,A错误;根据第二段第一句,无法推出Indian Point核电站的辐射非常厉害,所以B错。同样,发表这个报告并不能说明 the Archives of Environmental Health 的主要任务就是 infant death rate study,所以C错。
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公共英语三级笔试题库公共英语(PETS)分类
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公共英语三级笔试
公共英语(PETS)
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