An analysis by Mount Sinai researchers of over eight years of dietary data from more than 400,000 people has found that the relationship between high consumption of fruits and vegetables and a reduced risk of cancer is not as strong as commonly thought. The study is published online April 6, 2010 in the Journal of the National Cancer Institute. It is widely believed that a diet rich in fruits and vegetables can reduce the risk of cancer. In 1990, the WHO recommended eating five servings of fruits and vegetables a day to prevent cancer and other diseases. However, although many studies have been conducted since then, none have been able to confirm an association between fruit and vegetable intake and cancer resistance.
Paolo Boffetta, MD, MPH, lead author of the study and Deputy Director of The Tisch Cancer Institute at Mount Sinai School of Medicine, and colleagues analyzed data from the EPIC study to evaluate relationships between cancer risk and intake of total fruit and vegetables combined.
The EPIC followers, which are ongoing and organized by professor Elio Riboli at Imperial College in London, included 142,605 men and 335,873 women surveyed between 1992 and 2000 from 10 Western European countries. Detailed information on their dietary habits and lifestyle differences was obtained. After 8.7 years of follow – up, more than 30,000 of the study's participants were diagnosed with cancer.
Dr. Boffetta and colleagues found a small but significant opposite relationship between high intake of fruits and vegetables and overall cancer risk. In this population, an increase of 200 grams a day of fruits and vegetables resulted in a reduction of about 3 percent of cancer risk. Vegetable consumption by itself also afforded a modest benefit but was restricted to women. Heavy drinkers who ate many fruits and vegetables had a somewhat reduced risk, but only for cancers caused by smoking and alcohol.
"The bottom line here is that, yes, we did find a protective effect of fruit and vegetable intake against cancer, but it is a smaller connection than previously thought," said Dr. Boffetta. "Any cancer protective effect of these foods is likely to be modest, at best.
"However, eating fruits and vegetables is beneficial for health in general and the results of this study do not justify changing current recommendations aiming at increasing intake of these foods," said Dr. Boffetta.
63．A new study shows that         .
A．eating fruits and vegetables is beneficial to health
B．a(chǎn) diet rich in fruits and vegetables can reduce the risk of cancer
C．eating five servings of fruits and vegetables a day can prevent cancer and other diseases
D．the association between fruit and vegetable intake and cancer resistance is small
64．Before this study, people would believe that        .
A．high intake of fruits and vegetables can prevent cancer and other diseases
B．heavy drinkers have the slightest chance of cancer
C．the WHO’s recommendations were modest
D．the WHO’s recommendations aim at increasing intake of fruits and vegetables
65．The population who took part in this study amounted to       .
A．142,605    B．335,873    C．more than 400,000   D．30,000
66．From this study, we can infer that         .
A．the intake of fruits and vegetables will be no longer necessary
B．the connection between fruits and vegetables intakes and cancer resistance is smaller than originally thought
C．taking in fruits and vegetables will still be appreciated in spite of the new discovery
D．a(chǎn)ny cancer protective effect of these foods is likely to be modest

B.

London, the capital of England, is political, economic(經(jīng)濟(jì)) and commercial(商業(yè)) centre. It stands on the Thames, extending for nearly thirty miles from north to south and for nearly thirty miles from east to west.

London is divided into many administrative(行政) units. Greater London, the largest unit, cover 1,605 square miles. The heart of this unit is the City of London. It is surrounded by a ring of 12 boroughs(行政區(qū)) called Inner London or Central London, covering 303 square miles, and itself, is again surrounded by a greater ring of 20 boroughs called Outer London with an area of 1,279 square miles. Thus, Greater London is made up of the City and 32 boroughs.

61. According to the article, London ___________.

A. is only an economic centre      

B. exists on a river

C. covers more than thirty miles from west to east     

D. is to the east of England

62. The City of London covers ________ square miles.

A. 1,605       B. 303       C. 23     D. 900

63. From this article, we can see that London _____________.

A. is made up of the City, the Central London and Outer London.

B. is made up of Inner London and Outer London

C. includes the City, 32 boroughs and some other units

D. is smaller than Greater London in area

64. Which is the best title of the article?

A. Greater London                B. The Importance of London

C. The Boroughs of London         D. London

An analysis by Mount Sinai researchers of over eight years of dietary data from more than 400,000 people has found that the relationship between high consumption of fruits and vegetables and a reduced risk of cancer is not as strong as commonly thought. The study is published online April 6, 2010 in the Journal of the National Cancer Institute. It is widely believed that a diet rich in fruits and vegetables can reduce the risk of cancer. In 1990, the WHO recommended eating five servings of fruits and vegetables a day to prevent cancer and other diseases. However, although many studies have been conducted since then, none have been able to confirm an association between fruit and vegetable intake and cancer resistance.

Paolo Boffetta, MD, MPH, lead author of the study and Deputy Director of The Tisch Cancer Institute at Mount Sinai School of Medicine, and colleagues analyzed data from the EPIC study to evaluate relationships between cancer risk and intake of total fruit and vegetables combined.

The EPIC followers, which are ongoing and organized by professor Elio Riboli at Imperial College in London, included 142,605 men and 335,873 women surveyed between 1992 and 2000 from 10 Western European countries. Detailed information on their dietary habits and lifestyle differences was obtained. After 8.7 years of follow – up, more than 30,000 of the study's participants were diagnosed with cancer.

Dr. Boffetta and colleagues found a small but significant opposite relationship between high intake of fruits and vegetables and overall cancer risk. In this population, an increase of 200 grams a day of fruits and vegetables resulted in a reduction of about 3 percent of cancer risk. Vegetable consumption by itself also afforded a modest benefit but was restricted to women. Heavy drinkers who ate many fruits and vegetables had a somewhat reduced risk, but only for cancers caused by smoking and alcohol.

"The bottom line here is that, yes, we did find a protective effect of fruit and vegetable intake against cancer, but it is a smaller connection than previously thought," said Dr. Boffetta. "Any cancer protective effect of these foods is likely to be modest, at best.

"However, eating fruits and vegetables is beneficial for health in general and the results of this study do not justify changing current recommendations aiming at increasing intake of these foods," said Dr. Boffetta.

63．A new study shows that         .

      A．eating fruits and vegetables is beneficial to health

       B．a(chǎn) diet rich in fruits and vegetables can reduce the risk of cancer

       C．eating five servings of fruits and vegetables a day can prevent cancer and other diseases

       D．the association between fruit and vegetable intake and cancer resistance is small

64．Before this study, people would believe that         .

       A．high intake of fruits and vegetables can prevent cancer and other diseases

       B．heavy drinkers have the slightest chance of cancer

       C．the WHO’s recommendations were modest

       D．the WHO’s recommendations aim at increasing intake of fruits and vegetables

65．The population who took part in this study amounted to       .

       A．142,605    B．335,873    C．more than 400,000   D．30,000

66．From this study, we can infer that         .

       A．the intake of fruits and vegetables will be no longer necessary

       B．the connection between fruits and vegetables intakes and cancer resistance is smaller than originally thought

       C．taking in fruits and vegetables will still be appreciated in spite of the new discovery

       D．a(chǎn)ny cancer protective effect of these foods is likely to be modest

    Haley’s comet is named for the English astronomer, Edmond Haley, who saw it in 1682．Haley knew that people had seen bright lights in the sky in 1531 and again in 1607．He did a little mathematics and said the visitor would come back again in 1785．He was right. Haley said that in the future, men would travel to the comet and ride it around space!

    As the comet came near the earth in 1986, the European Space Agency flied a rocket called Grotto. Grotto came within 605 kilometers (376 miles) of the atmosphere of the comet. It is about 15 kilometers long and 8 kilometers wide (9.3 miles by 5 miles). Its atmosphere contains the element nitrogen (氮?dú)?/span>) but no air. The centre of the comet is made of dust and solid water. It’s a very cold, lonely place. Would you like to ride the comet, or do you prefer riding the earth?

1．From the article we know that Haley’s comet return every ________ years?

A．77

B．76

C．78

D．1758

2．We can infer that the comet will come back next in________?

A．2060

B．2066

C．2062

D．2000

3．The centre of comet is made of ________.

A．dust and nitrogen

B．ice and dust

C．water and ice

D．dust, ice and air

4．From the article we know that the comet is ________.

A．a new comer

B．an old visitor

C．a planet of the earth

D．a planet of the moon