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  3. 共用题干 Eating Potatoes Gives Your Immune

共用题干 Eating Potatoes Gives Your Immune

考试题库2022-08-02  264
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.56._________A: becauseB:.orC:.butD: and
选项 56._________
A: because
B:.or
C:.but
D: and
答案 D
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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