Question

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 (抗氧化化學物質(zhì))that may help stop the cell damage that can lead to disease. Researchers have been studying green tea's effect on everything from cholesteroK膽固醇)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(緩沖物)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 (凝結成塊). 

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

Answer 1

【文章大意】本文是一篇科普文，分析說明了常飲綠茶對身體的種種好處以及原因。

A詞義猜測題。根據(jù)文章第一句可知，經(jīng)常喝綠茶的老人比他們的同齡人更加敏捷和獨立，由此可知A項正確。

A 段落大意題。根據(jù)第五段的第一句"The study did not prove that green tea alone kept people agile as they grew older."及全段內(nèi)容可知，本段主要講述的是愛喝綠茶的人敏捷的原因，故A項正確。

C 細節(jié)理解題。根據(jù)倒數(shù)第二段中的"...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."可知C項正確。

B    推理判斷題。根據(jù)最后一段中的"...they do contain caffeine and small amounts of vitamin K， which means it could affect drugs that prevent blood..."可知維生素K會影響一些藥的治療效果。故選B項。