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共用题干 Eating Potatoes Gives Your Immune
共用题干 Eating Potatoes Gives Your Immune
练习题库
2022-08-02
275
问题
共用题干Eating Potatoes Gives Your Immune System a Boost
Eating potatoes is not only good for bowel health,but also for the whole immune system,espe- cially 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_________(51)of raw potato starch(RPS)not on-ly had a healthier bowel,but also decreased levels of white blood cells,________(52)as leuco- cytes and lymphocytes in their blood.White blood cells are produced as a_________(53)of in-fEammation 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_________(54)body.The reduction in leucocyte levels was about 15 percent.Lower lymphocyte levels are also indicative of_________(55)levels of in-flammation,but the observed reduction in both lymphocyte density_________(56)lymphocyte apoptosis is surprising.
In_________(57)was the longest study of its kind,pigs were fed RPS over 14 weeks to _________(58)the effect of starch on bowel health.“The use of raw potato starch in this experi-ment is_________(59)to simulate the effects of a diet high in resistant starch,”said study leader Jose Francisco Perez at the Universitat Autonoma de Barcelona,Spain.
Humans do not eat_________(60)potatoes,but they do eat a lot of foods that contain resist-ant 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_________(61)in the small intestine and so is shunted into the large intestine where it ferments.Starch consumption is thought to reduce the_________(62)of large bowel cancer and may also have an effect on irritable bowel syndrome(IBS).
Immunology expert Lena Ohman' s team_________(63)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 lBS being_________(64)least partially an inflammato- ry disorder. She says the decrease in lymphocytes observed by the Spanish is therefore interest-ing,and a diet of resistant starch may be worth_________(65)in lBS patients.Ohman is cur-rently at the Department of Internal Medicine,Goteborg University,Sweden.The study is pub-lished in the Journal Chemistry and Industry,the magazine of the SCI.63._________A:.personally B:.previouslyC:.differentlyD: similarly
选项
63._________
A:.personally
B:.previously
C:.differently
D: similarly
答案
B
解析
此处RPS表示“大量未经加工的土豆淀粉”,large quantities of意为“大量的”,可以修饰不可数名词,符合题意。quality品质,质量;variety种类;society社会。
句意:比如说血液中的白细胞和淋巴细胞。此处表示举例子,such as意为“例如”, 是固定搭配,故选D。
句意:白细胞是由于炎症或疾病而产生的。as a result of意为“由于”,相当于be-cause of,故选C。
由空格前的“an overall beneficial effect”可知,此处表“更加健康的身体”,healthy意为“健康的”,故选C。unhealthy不健康的;simple简单的;poor可怜的,贫穷的。
句意:淋巴细胞数量的减少表明炎症指标的下降。reduce意为“减少,下降”,符合题意,故选A。 remove除去;reflect反映;recover恢复。
both… and意为“两者都”,是并列连词,符合题意。both lymphocyte density and lymphocyte apoptosis意为“淋巴细胞密度和淋巴细胞死亡”。
what引导从句作介词in的从句,且what在宾语从句中作主语,符合题意。
句意:用未经加工的土豆淀粉喂养猪14周以找出淀粉对肠道健康的影响。find out 意为“找出,发现”,符合题意。respond to对……做出反应;result in导致,引起;turn out 制造,结果是。
句意:在试验中喂猪吃未经加工的土豆淀粉,就是为了模拟富含抗性淀粉(resistant starch)的饮食所起的作用”,be designed to意为“目的是”,符合题意。analyzed分析; ensure确定;beginning开端,开始。
此处表示“人们不吃生土豆”,raw potatoes与raw potato starch(RPS)相呼应,意为 “未经加工的土豆”,即生土豆,故选D。
此处表示“人们食用的淀粉大约有10%为杭性淀粉,也就是不能在小肠中消化的淀粉”,digest意为“消化”,符合题意,故选A。 consider考虑;treat对待;include包括。
此处表示“人们认为食用淀粉可以降低患大肠癌的风险”,risk意为“风险,危险”, 符合题意,故选C。position位置;effect影响;safety安全。
句意:免疫学专家Lena Ohman的团队之前就发现……。personally亲自;previously 以前,先前;differently不同地; similarly相似地。本段讲的是他的团队现在的研究成果,且根据found( find的过去式)可知应选表示过去的副词,故根据题意,应选B。
at least是固定搭配,意为“至少”,符合题意,故选介词at。
be worth doing sth.意为“值得做某事”,注意worth后面的动词必须使用-ing形式。故选C。
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