职称英语a级真题2006卫生类完形填空

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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