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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 linked to about 30 (6)____ of cancer cases,diet is involved in all 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
正確答案：B
答案解析：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。答案選B。
2.
A.on
B.up
C.in
D.down
正確答案：C
答案解析：此處要表達的意思是"在發(fā)達國家”。答案選C。
3.
A.cancer
B.health
C.disease
D.man
正確答案：A
答案解析：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。答案選A。
4.
A.dance
B.turn
C.take
D.play
正確答案：D
答案解析：從接下來的"角色”一詞，便可得知此處應(yīng)選能與之搭配的"扮演”一詞。答案選D。
5.
A.while
B.if
C.unless
D.since
正確答案：B
答案解析：前一句講道，飲食.喝酒與肥胖在癌癥發(fā)生的過程中扮演重要角色，此句應(yīng)為虛擬句，表示假設(shè)。答案選B。
6.
A.percent
B.countries
C.people
D.number
正確答案：A
答案解析：從句子的主旬不難看出，此處表示的是百分之多少的意思。答案選A。
7.
A.at
B.in
C.of
D.for
正確答案：B
答案解析：此處應(yīng)該填一個與前面介詞in一樣的介詞。答案選B。
8.
A.risk
B.degree
C.presence
D.place
正確答案：A
答案解析：顯然此處要表示的意思是肥胖增加某些類癌癥的危險。答案選A。
9.
A.reduced
B.increased
C.mysterious
D.seen
正確答案：B
答案解析：一個人既喝酒，又吸煙，那酒精的害處應(yīng)該是增加的。答案選B。
10.
A.whether
B.why
C.that
D.if
正確答案：C
答案解析：此處應(yīng)選能引導(dǎo)賓語從旬的連接詞。答案選C。
11.
A.still
B.also
C.although
D.however
正確答案：A
答案解析：此處要表示的意思是"仍舊不得而知”。答案選A。
12.
A.decisions
B.questions
C.answers
D.needs
正確答案：C
答案解析：從前面提到的"仍舊不得而知，但是科學(xué)家們希望”等詞語可以推斷，此處應(yīng)選"答案”。答案選C。
13.
A.lowest
B.enough
C.daily
D.perfect
正確答案：A
答案解析：從句子的最后一詞highest便可得知，此處應(yīng)選該詞的反義詞。答案選A。
14.
A.home
B.most
C.least
D.best
正確答案：C
答案解析：眾所周知，專家們多建議多吃水果.蔬菜以減少癌癥的危險，可見此處應(yīng)選表示"至少”意思的詞語。答案選C。
15.
A.causing
B.including
C.illustration
D.defining
正確答案：B
答案解析：空格之前提到了一些最常見的癌癥，接下來舉的是例子，因此此處應(yīng)選表示"像，包括”等意的詞語。答案選B。
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