Elderly adults who regularly drink green tea may stay more agile (敏捷的)and independent than their peers over time, according to a Japanese study that covered thousands of people.

Green tea contains antioxidant chemicals (抗氧化化学物质)that may help stop the cell damage that can lead to disease. Researchers have been studying green tea's effect on everything from cholesteroK胆固醇)to the risk of certain cancers, with mixed results so far.

They found those who drank the most green tea were the least likely to develop "functional disability", or problems with daily activities or basic needs, such as dressing or bathing.

Specifically, almost 13 per cent of adults who drank less than a cup of green tea per day became functionally disabled, compared with just over 7 per cent of people who drank at least five cups a day.

The study did not prove that green tea alone kept people agile as they grew older. Green tea lovers gener?ally had healthier diets, including more fish, vegetables and fruit, as well as more education, lower smoking rates , fewer heart attacks and strokes , and greater mental sharpness. They also tended to be more socially active and have more friends and family to rely on. But even with those factors accounted for, green tea itself was tied to a lower disability risk, the researchers said.

People who drank at least five cups a day were one third less likely to develop disabilities than those who had less than a cup per day. Those people who averaged three or four cups a day had a 25 per cent lower risk.

Although it's not clear how green tea might offer a buffer(缓冲物)against disabilities, lead researcher Yasutake Tomata did note that one recent study found green tea extracts(提取物)seem to increase leg muscle strength in older women.

While green tea and its extracts are considered safe in small amounts, they do contain caffeine and small amounts of vitamin K, which means it could affect drugs that prevent blood clotting (凝结成块). 

1.  What does the underlined word "peers" mean in the first paragraph?

A.    People of the same age.

B.    Brothers.

C.    Fathers.

D.    People living in the same neighbourhood.

2.    What does the fifth paragraph mainly tell us?

A.    Why green tea lovers can keep agile.

B.    How the study was proved.

C.    What healthier diets include.

D.    How to lower the disability risk.

3.    What has the researcher Yasutake Tomata discovered?

A.    Those who drank green tea can't develop "func?tional disability".

B.    Green tea alone kept people agile as they grew older.

C.    Green tea extracts seem to increase leg muscle strength in older women.

D.    How green tea might offer a buffer against disabilities.

4.    From the passage we can infer that .

A.    vitamin K is contained in caffeine

B.    vitamin K has an influence on some drugs

C.    vitamin K is bad for our health

D.    vitamin K is good for our blood

Beijing, April 2- Starting from this year, Beijing Municipal Health Bureau will begin to promote a home medical service. With this service a medical team which is made up of a doctor, a nurse and a medical health worker will be sent to some communities in the city. They will set up a medical filing recorder for every resi?dent in the community and publicize their contact infor?mation to them. If people in the community feci sick, they can consult their community doctors first. If community doctors cannot treat their illness, they will then be transferred to large hospitals. Liang Wan, dep?uty director of Beijing Municipal Health Bureau* made the statement last Friday.

In addition, Beijing Municipal Health Bureau will set up some funds to train home medical service workers for families whose members suffer either from high blood pressure, diabetes, cerebral apoplexy, or coro?nary heart disease. The home medical service workers will remind patients to take pills on time and lead the patients to follow some health tips in their daily life. They will also learn some practical knowledge to save patients in case of an emergency.

The work will first begin in the medical service room in the 25 community centres and spread to all communities in Beijing. The disease prevention and con?trol centres at various counties and districts in Beijing will be responsible for teaching community doctors and giving home medical service lectures, or advice. These workers will not be able to work until they pass related exams and obtain the work certificates. It is expected that by the end of this year, there will be 10,000 home medical service workers in Beijing.

1.  Where does a person go to see a doctor first if he gets sick according to the passage? A. The community clinic.

B.    The large hospital.

C.    The private clinic,

D.    The small hospital.

2.    Which of the following is NOT true according to the passage?

A.    The medical team which is made up of a doctor, a nurse and a medical health worker will set up a medical filing recorder for every resident.

B.    The home medical service workers not only give some healthy suggestions to the patients, but also learn practical knowledge about first aid.

C.    Some funds will be provided by Beijing Municipal Health Bureau for home medical service training.

D.    The government aims to offer the home medical service for free.

3.    If you want to work as a home medical worker, you need to .

A.    receive the training about medical service

B.    pass related exams

C.    obtain the work certificates

D.    all the above

4.    What can we learn from the passage?

A.    All communities in Beijing have started home medical service.

B.    People in Beijing will not easily get ill.

C.    Medical service in Beijing will be promoted great?ly in the future,

D.    The other cities in China should learn from Beijing

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