2012年职称英语卫生A级考前每日一练(1月4日)

　　完形填空$lesson$

　　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。

　　Diet, Alcohol Linked to Nearly One Third of Cancers

　　Diet is second only to tobacco as a leading____1____of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease____2____developed countries, a leading researcher said on Tuesday.

　　Dr. Tim Key, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to____3____,but they know that diet, alcohol and obesity____4____a major role.

　　"Five percent of cancers could be avoided____5____nobody was obese," he said.

　　While tobacco is blinked to about 30____6____of cancer cases, diet is involved in an estimated 25 percent and alcohol____7____about six percent.

　　Obesity raises the____8____of breast, womb, bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver, Its dangerous impact is____9____when combined with smoking.

　　Key told the meeting of the charity Cancer Research UK____10____other elements of diet linked to cancer are____11____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____12____

　　Early results of the study have revealed that Norway, Sweden and Denmark have the____13____consumption of fruit and vegetables among European countries while Italy and Spain have the highest. Eating at____14____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____15____colorectal, breast and prostate.

　　1.A.course B. cause C. court D. reason

　　2.A.on B. up C. in D. down

　　3.A.cancer B. health C. disease D. man

　　4.A.dance B. turn C. take D. play

　　5.A.while B. if C. unless D. since

　　6.A.percent B. countries C. people D. number

　　7.A.at B. in C. of D. for

　　8.A.risk B. degree C. presence D. place

　　9.A.reduced B. increased C. mysterious D. seen

　　10.A.whether B. why C. that D. if

　　11.A.still B. also C. although D. however

　　12.A.decisions B. questions C. answers D. needs

　　13.A.lowest B. enough C. daily D. perfect

　　14.A.home B. most C. least D. best

　　15.A.causing B. including C. illustrating D. defining

　　答案 BCADB ABABC ACACB