Ulcers Even though ulcers appear to run in families, lifestyle plays more of a role than genetic factors in causing the illness, according to a report in the April 13th Journal of Internal Medicine. In particular, smoking and stress in men and the regular use of pain-releasing medicines in women were linked with an increased risk of developing an ulcer. Raiha and colleagues studied data from more than 13,000 pairs of twins to examine the roles of genetic and environmental factors in the origin of peptic ulcer disease, they explain. Both twins were more likely to develop an ulcer if the pair were genetically the same as compared with a pair of fraternal twins, suggesting that there must be some genetic susceptibility to ulcer development. 1. According to the passage, which of the following is a very likely cause of ulcer in men? B) Drinking and smoking. D) Use of a certain medicine. A) Hereditary factors. C) Environmental factors. 3. In relation to ulcers, experts study twins in order to examine B) the roles of environmental factors. D) the roles of brotherhood. A) A clean environment with no smoke and dust surrounding the living area. C) Factors shared by family members such as genes and the food they eat. 5. The passage argues that B) ulcers are related to lifestyle. D) ulcers are caused by pylori infection.
十二星座的雅思口语考试策略(下)
雅思口语part 1话题:Housework
雅思口语完美发音的10个诀窍
雅思口语part 1话题:Friends
雅思口语:不可不学的英语生活用语
透析雅思口语考试的评判依据
雅思口语part 1话题:Languages
雅思口语part 1话题:Schools
雅思口语考场技巧(Part 1)
雅思口语part 1话题:Toys
雅思口语素材:《剪刀手爱德华》经典台词
提升雅思口语品质的英语酷词
雅思口语part 1话题:Painting
雅思口语天天练:如何装神秘?
雅思口语part 1话题:Time
未听清雅思口语考官问题时的回答方式
雅思口语天天练:恋爱的相关表达
雅思口语发音是关键流利很重要
雅思口语part 1话题:Sports
雅思口语part 1话题:Work
雅思口语part 1话题:Accommodation
练习雅思口语的6种技巧
雅思口语part 2话题:A Gift You Would Like to Give
雅思口语必备的100个经典句子
雅思口语part 1话题:Concerts
雅思口语part 1话题:Films
雅思口语:用英语打电话的五种场景
雅思口语part 1话题:Relatives
雅思口语part 1话题:Clothes
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