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  3. Diet, Alcohol Linked to Nearly One Third of Cancers Diet is second only to tobacco as a leading【H1】of cancer and, along with alc

Diet, Alcohol Linked to Nearly One Third of Cancers Diet is second only to tobacco as a leading【H1】of cancer and, along with alc

admin2009-07-11  52
问题   Diet, Alcohol Linked to Nearly One Third of Cancers
Diet is second only to tobacco as a leading【H1】of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease【H2】developed countries, a leading researcher said on Tuesday.
Dr. Tim Kev, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to【H3】, but they know that diet, alcohol and obesity (肥胖)　【H4】a major role.
"Five percent of cancers could be avoided【H5】nobody was obese(肥胖的)," he said.While tobacco is linked to about 30【H6】of cancer cases, diet is involved in all estimated 25 percent and alcohol【H7】about six percent.
Obesity raises the【H8】of breast(乳腺), womb(子宫), bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver. Its dangerous impact is【H9】when combined with smoking.
Kev told the meeting of the charity Cancer Research UK【H10】other elements of diet linked to cancer are【H11】unknown but scientists are hoping that the EPIC study, which is comparing the diets of 500,000 people in 10 countries and their risk of cancer, will provide some【H12】.
Early results of the study have revealed that Norway, Sweden and Denmark have the【H13】consumption of fruit and vegetables among European countries while Italy and Spain have the highest. Eating at【H14】five portions of fruit and vegetables a day is recommended to reduce the risk of cancer.
Key, principal scientist on the EPIC study, said it　is looking at dietary links to some of the most common cancers【H15】colorectal, breast and prostate.
选项 A、course
B、cause
C、court
D、reason
答案B
解析 从文章的题目可推断文章主题为饮食、酒精与癌症之间的关系。该句句意为：饮食是导致癌症的主要原因之一，吸烟排名第一，饮食紧跟其后。这三项都是导致癌症的原因，故选B。
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