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2015职称英语卫生B类完型填空原文出处

2015-03-31 11:15 来源:中华会计网校整理 打印 | 收藏 |
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据网友信息,2015职称英语卫生B类完型填空来自于卫生教材阅读理解第17篇Eating Potatoes Gives Your Immune System aBoost.

第十七篇 Eating Potatoes Gives Your Immune System a Boost

Eating potatoes is not only good for bowel health,but also for the whole immune system,especially when they come in the form of a potato salad or eaten cold. In a study on an animal model,researchers in Spain found that pigs fed large quantities of raw potato starch (RPS)1 not only had a healthier bowel,but also decreased levels of white blood cells,such as leucocytes and lymphocytes in their blood. White blood cells are produced as a result of inflammation or disease,generally when the body is challenged.

The general down-regulation of leucocytes observed by the Spanish researchers suggests an overall beneficial effect,a generally more healthy body.2 The reduction in leukocyte levels was about 15 percent. Lower lymphocyte levels are also indicative of reduced levels of inflammation,but the observed reduction in both lymphocyte density and lymphocyte apoptosis is surprising.

In what was the longest study of its kind,pigs were fed RPS over 14 weeks to find out the effect of starch on bowel health. "The use of raw potato starch in this experiment is designed to simulate the effects of a diet high in resistant starch," said study leader Jose Francisco Perez at the Universitat Autonoma de Barcelona3,Spain.

Humans do not eat raw potatoes,but they do eat a lot of foods that contain resistant starch,such as cold boiled potatoes,legumes,grains,green bananas,pasta and cereals. About 10 percent of the starch eaten by human is resistant starch - starch that is not digested in the small intestine and so is shunted into the large intestine where it ferments. Starch consumption is thought to reduce the risk of large bowel cancer and may also have an effect on irritable bowel syndrome (IBS)4.

Immunology expert Lena Oman's team previously found that the overall lymphocyte levels do not vary for IBS patients,but that lymphocytes are transferred from the peripheral blood to the gut,which support the hypothesis of IBS being at least partially all inflammatory disorder. She says the decrease in lymphocytes observed by the Spanish is therefore interesting,and a diet of resistant starch may be worth trying in IBS patients. Oman is currently at the Department of Internal Medicine,Goteborg University,Sweden5. The study is published in the Journal Chemistry and Industry,the magazine of the SCI6.

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学员:chuhero 感谢周涵老师,职称英语过了。我觉得应该在这里跟老师说声谢谢,老师的讲课很实用,针对性强,是很有学习价值的课程,如果你想通过职称英语考试,就听周老师的课程吧。

学员:王仁芝 我去年7月开始差不多从零学起,坚持到考试,考了72分,十分感谢老师及网校的辅导!

学员:lilizhangx 职称英语通过了!毕业10年了,没怎么接触英语,跟着周涵老师学习,一次通过!

学员:张洪杰 首先感谢周涵老师,好多年没有学习了,经过老师的讲解顺利过关,这已经出乎我的预料,真的很激动,终于没让老师们失望,通过了,很高兴。

学员:xsqxxlxzj 十多年没有学习过英语了,通过职业培训教育网3个多月的学习,83分通过职称英语综合C级考试,非常感谢周涵老师,谢谢您!

学员:best888zhou 毕业以后就没有翻过英语了,丢了有七年了,虽然以前基础还不错,但这次真的是没有信心,过年后开始复习,用了差不多一个月的时间,B级综合考了80分,很开心,谢谢周涵老师的细致讲解!

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