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Diet,Alcohol Linked to Nearly One Third of Cancers

Diet is second only to1 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 linked 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 the____13____consumption of fruit and vegetables among European countries while lta1y 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 EPIC study,said it is looking at dietary links to some of the most common cancers____15____colorecta1,breast and prostate.

練習(xí)：

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

答案與題解：

1.B從文章的題目可以得知,文章的主要內(nèi)容涉及飲食、酒精與癌癥的關(guān)系。不難看出,文章一開頭講的就是飲食是導(dǎo)致癌癥的主要原因之一,吸煙排名第一,飲食緊跟其后。

2.C此處要表達(dá)的意思是"在發(fā)達(dá)國(guó)家里”。

3.A既然文章主要涉及飲食、酒精與癌癥的關(guān)系,因此,此處應(yīng)選"癌癥”一詞。

4.D從接下來(lái)的"角色”一詞,便可得知此處應(yīng)選能與之搭配的"扮演”一詞。

5.B前一句講到,飲食、喝酒與肥胖在癌癥發(fā)生的過(guò)程中扮演重要角色,此句應(yīng)為虛擬句,表示假設(shè)。

6.A從句子的主句不難看出,此處表示的是百分之多少的意思。

7.B此處應(yīng)該填一個(gè)與前面介詞in一樣的介詞。

8.A顯然,此處要表示的意思是肥胖增加患某些類癌癥的危險(xiǎn)。

9.B 一個(gè)人既喝酒,又吸煙,那酒精的害處應(yīng)該是增加的。

10.C此處應(yīng)選能引導(dǎo)賓語(yǔ)從句的連接詞。

11.A此處要表示的意思是"仍舊不得而知”。

12.C從前面提到的"仍舊不得而知,但是科學(xué)家們希望”等詞語(yǔ)可以推斷,此處應(yīng)選"答案”。

13.A從句子的最后一詞highest便可得知,此處應(yīng)選該詞的反義詞。

14.C眾所周知,專家們建議多吃水果、蔬菜以降低患癌癥的風(fēng)險(xiǎn),可見(jiàn)此處應(yīng)選表示"至少”意思的詞語(yǔ)。

15.B空格之前提到了一些最常見(jiàn)的癌癥,接下來(lái)舉的是例子,因此此處應(yīng)選表示"像”"包括”等意思的詞語(yǔ)。