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第6部分：完形填空（第51～65题，每题1分，共15分）
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
Study Confirms Red Meat Link with Bowed （结肠） Cancer
People who eat more than 160 grams of red or processed meat a day are 35 percent more likely to develop bowel cancer than those who ear less（51） 20 grams a day， according to one of the biggest nutrition investigations ever carried out.
The European Prospective Investigation into Cancer and Nutrition followed 478，040 men and women （52）35 to 70 from 10 European countries.
All subjects were free of cancer at enrollment between 1992 and 1998， but （53） an average follow-up of almost 5 years 1，329 bowel cancers had been reported.
The subsequent analysis， published in the Journal of the National Cancer Institute， confirms the long-held suspicion （54） high intakes（纳入量） of red meat are associated with increased bowel（55） risk.
After taking into consideration factors like age, sex, height, weight, energy intake physical activity, smoking, and alcohol consumption, the investigators found that bowel cancer was (56) with intake of red and processed meat but not chicken.
Risk of bowel cancer dropped with increasing intake of fish. Eating more than 80 grams a day of fish was associated （57） a 31 percent reduction in risk compared with eating less than 10 grams a （58）
Subjects with high red meat and low fish intake were at 63 percent higher risk of bowel cancer compared with subjects with low red meat and high fish (59). In addition, the risk of developing the disease was increased for (60) people who ate a low fibre diet.
Sheila Bingham， study investigator at the UKs Medical Research Council nutrition unit， said： People have suspected for some time that high levels of red and processed meat （61）risk of bowel cancer， but this is one of the largest studies worldwide and the first from Europe of this type to show a （62） relationship.
She added in a statement: q-he overall picture is very consistent for red and
processed meat and fibre across all the (63) populations studied.
Study coordinator， Elio Riboli， of the World Health Organisation International Agency for Research into Cancer， said： Other risk factors for（64） cancer include obesity （肥胖） and lack of physical activity. Smoking and excess alcohol may also play a（65）。 These factors were all taken into account in the analysis
51 A from B than C between D among
52 A aging B years C aged D ranging
53 A before B after C since D when
54 A that B which C whether D why
55 A illness B cancer C problem D death
56 A presented B selected C contrasted D associated
57 A with B into C for D against
58 A month B year C day D week
59 A habit B experience C harvest D intake
60 A these B much C those D that
61 A increase B lower C meet D show
62 A strong B poor C weak D casual
63 A Asian B American C European D African
64 A new B organ C fatal D bowel
65 A factor B role C risk D chance
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