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来源：百度知道 编辑：UC知道 时间：2024/06/26 02:51:16
Ulcers
Even though ulcers appear to run in families, lifestyle plays more of 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.
Overall, 61% of ulcer risk appears to be due to environmental factors, such as smoking, and the remaining 39% is due to genes according to Dr. Ismo Raiha of the University of Turky and colleagues at the University of Helsinki, Finland. Some researchers had suggested that families may spread Helicobacteria pylori, the bacteria that can cause ulcers. However, the new study suggests this is unlikely, according to the report.
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 w

1.A
Reason: smoking and stress in men ----3rd line
2.C
Reason:Overall, 61% of ulcer risk appears to be due to environmental factors ---- 5th line
3.C
Reason:to examine the roles of genetic and environmental factors in the origin of peptic ulcer disease ---- 11th line
4.B
Reason: smoking and stress in men and the use of analgesics in women ---- 17th line
5.A

A C C B(前四题原文里有类似）B 文章开头有暗示lifestyle plays more of role than genetic factors in causing the illness,

1.A
Reason: smoking and stress in men ----3rd line
2.C
Reason:Overall, 61% of ulcer risk appears to be due to environmental factors ---- 5th line
3.C
Reason:to examine the roles of genetic and environmental factors in the origin of peptic ulcer disease ---- 11th line
4.B
Reason: smoking and stress in men and the use of analgesics in women ---- 17th line
5.A
Reason:看理解吧……

ACCBB

肯定对

aacca

1.A 2.C 3.