第6部分:完形填空
阅读下面的短文,文中有15处空白,每处空白给出了4个选项,请根据短文的内容从4个选项中选择1个最佳答案。
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 UK's 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
同时按下Crtl键和A键查看答案
51. B 52. C 53. B 54. A 55. B 56. D 57. A 58. C 59. D 60. C 61. A 62. A 63. C 64. D 65. B |
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