4. irritable bowel syndrome (IBS)：过敏性肠综合征
5. Department of Internal Medicine， Goteborg University， Sweden：瑞典哥德堡大学内科医学系
6. SCI ( Science Citation Index )：科学引文索引。美国科学信息研究所1961年创办出版的引文数据库。
练习：
1. What a form of potato is the most nutrient to the human body?
A) Potato soup.
B) Potato cake.
C) Potato salad.
D) Hot boiled potato.
2. What does the reduction in leucocyte levels in the body mean?
A) It may mean the reduced levels of inflammation.
B) It may mean somewhere in the body is inflamed.
C) It means that the body is challenged.
D) It means that the body cannot produce leucocytes any more.
3. For what a purpose did the researchers use raw potato starch in their experiment?
A) They wanted to observe how the leucocyte levels reduced in the experimental pigs?
B) They wanted to simulate the effects of a diet high in resistant starch.
C) They wanted to see how much potato an experimental pig ate every day.
D) They wanted to see how much body weight each experimental pig gained in the end.
4. All of the following foods are rich in resistant starch EXCEPT __________.
A) Pasta
B) Grains
C) Legumes
D) Vegetables
5. What a kind of starch is resistant starch after all?
A) It may cause irritable bowel syndrome.
B) It may bring about at least partially inflammatory disorder.
C) It may raise leucocyte and lymphocyte levels in the body.
D) It cannot be digested in the small intestine and ferments in the large intestine.
答案与解析：
1. 分析文章标题：Eating potatoes(马铃薯) gives your immune (免疫的)system(系统) a boost(推动，推进， 推动力 )