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BEIJING - A research team led by Chinese...

BEIJING -  A research team led by Chinese scientists have discovered dietary modulation of gut microbiota(膳食干预肠道菌群)can alleviate both genetic and simple obesity in children.

The findings of the team, led by Zhao Liping with Shanghai Jiaotong University, Yin Aihua with the Guangdong province children's hospital, and Tang Huiru with Chinese Academy of Sciences, have been published on EBioMedicine, a renowned medical journal co-sponsored by Cell and The Lancet in July.

The team identified bacterial genomes specifically for producing obesity-related metabolites(代谢物), and said an improved gut microbiota can significantly help to treat genetic obesity such as Prader-Willi Syndrome (PWS).

Beginning in childhood, PWS affected kids develop an insatiable appetite, leading to chronic overeating and obesity.

The scientists used a diet therapy with beneficial gut bacteria on trial patients and found considerable diminished appetite, weight loss and improved health conditions on the patients.

The paper concluded dysbiosis(失调)of gut microbiota is highly related with both genetic and simple obesity in children, implicating dietary modulation of gut microbiota a potentially effective treatment method.

1.Which of the following factors contributes to child obesity ?

A. dietary modulation of gut microbiota

B. beneficial gut bacteria

C. an improved gut microbiota

D. dysbiosis of gut microbiota

2.Which can replace the underlined word “diminished”?

A. unsatisfied   B. increased

C. decreased     D. good

3.Where is the passage extracted?

A. Medicine book             B. Science book

C. Doctor’s instructions    D. News report

4.Which might be the best title for the passage?

A. Chinese scientists discover treatment to child obesity.

B.The reasons for genetic obesity in children has been found.

C. Obesity-related research has been done by Chinese scientists.

D. An effective treatment to obesity has been found.

 

1.D 2.C 3.D 4.A 【解析】 试题分析:本篇文章是一个研究成果。通过研究中国的科学家们发现了一种新的方法——膳食干预肠道菌群,可以缓解遗传或单纯的儿童肥胖。 1.D 。细节理解题。文章开头讲了科学家发现通过膳食调节肠道微生物群可以抑制肥胖的势头,因此失衡的肠道微生物群会导致肥胖。 2.C。词义猜测题。科学家们通过饮食控制和微生物调节,发现被测试者们可以很好地减少食欲、降低体重和促进健康。diminished意为“减少”。unsatisfied 不满意的;increased 增强的;decreased减少的;good 好的。故选C。 3.D。主旨大意题。文章是一片科学报道,讲了中国科学家在儿童肥胖治疗领域的新成果。因此最有可能是在科学报纸杂志上的报道。Medicine book 医学书;Science book科学书; Doctor’s instructions医生的建议;News report新闻报道。故选D。 4.A。主旨大意题。从文章第一段联系全文看,文章就是讲了中国科学家发现了治疗儿童肥胖的新方法。故选A。 考点:考查科普类阅读。 【名师点睛】 科普类文章的结构清晰,一般会在开头说明研究发现的成果,然后具体说明研究发现的经过,最后还会对这个研究做进一步的阐述。只要考生找到文章的脉络,就不难理解文章大意,即使出现一些生词,也会根据上下文做出正确的推测判断。
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