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Nature magazine concluded that the loss of a key segment of DNA can【C1】______It said the findings might improve【C2】______of seve
Nature magazine concluded that the loss of a key segment of DNA can【C1】______It said the findings might improve【C2】______of seve
admin
2010-10-28
50
问题
Nature magazine concluded that the loss of a key segment of DNA can【C1】______It said the findings might improve【C2】______of severe obesity—which【C3】______has been【C4】______attributed to【C5】______overfeeding. The study, of 300 children with severe obesity by the University of Cambridge and the Wellcome Trust Sanger Institute,【C6】______in Nature. Some of the children in the study had been formally【C7】______the social services "at risk" register on the【C8】______that their parents were deliberately overfeeding them. They have now been removed from【C9】______. Obesity is increasing throughout the world and is recognized as a major global public health concern.【C10】______much of the problem is【C11】______lifestyle factors such as an unhealthy diet, and lack of exercise,【C12】______are thought to be down to genetics. The latest study examined each child’s entire genome, looking for deletions or【C13】______of DNA, known as copy number variants (CNVs). Experts【C14】______believe these CNVs play an important role in genetic disease.
Dr Matt Hurles, who also worked on the study, said: "This is the first evidence that copy number variants【C15】______to a metabolic condition such as obesity. They are already known to cause other【C16】______such as autism and learning【C17】______." He said. The fact that several of the study children have been taken out of【C18】______and returned to their parents【C19】______is disturbing in itself and must surely put an end to the claims by some【C20】______childhood obesity is a simple case of parental abuse.
"It clearly isn’t. These families need our support."
【C11】
选项
A、because of
B、contributed to
C、owing to
D、due to
答案
D
解析
词汇题be due to“由……造成”,通常表示不好的后果;because of此处尚可使用,但是不够正式,没有D符合文体要求;contribute to为主动表示法,无被动态;owing to常用于句首。
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0
专业英语四级
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