Read the article and select the best answer. Article: Older women who regularly drink green tea may have slightly lower risks of stomach and throat cancers than women who don't, according to a Canadian study that followed thousands of Chinese women over a decade. For the study, researchers used data from a long-running health study of over 69,000 middle-aged and older Chinese women. The researchers found that those who drank green tea at least three times a week were 14 percent less likely to develop a cancer of the digestive ( ) system. More than 19,000 were considered regular green-tea drinkers, who drank it more than three times a week. Over 11 years, 1,255 women developed a digestive system cancer, In general, the risks were somewhat lower when a woman drank green tea often and for a long time. Green tea contains certain chemicals which may reduce the body-cell damage that can lead to cancer and other diseases. Women who _ a lot of green tea in the study were also younger, ate more fruits and vegetables, exercised more and had higher-income jobs. None of the women smoked or drank alcohol regularly, and the researchers also collected information on their diets, exercise habits, weight and medical history. Yet even with all these things factored in, women's tea habits remained linked to their cancer risks, they noted, even though this type of study cannot prove cause and effect. The study adds to debate over the effect of green tea on cancer risks, Past studies have so far come to conflicting findings on whether green tea drinkers really do have lower cancer risks.Nobody can say whether green tea itself is the reason, since green tea lovers are often more health-conscious in general. Question: The study lasted for more than _ . Options: A: three years B: five years C: eight years D: ten years
D

Read the article and select the best answer. Article: There's a story told about an elderly lady in Arkansas.The state voted to increase welfare payments to the poor.Hoping for a tear-jerker story,a television interviewer went into the back hills where many welfare recipients lived. The old woman he chose to interview lived in a one-room shack :cold in winter;hot in summer.Her bed was a few rough planks nailed together,with a pine-needle mattress.A couple thin blankets,and a fireplace,did little to protect her from the cold. Her furniture,a table and two chairs,were fashioned from the same rough wood as her bed.Some shelves held a few cans of food from the general store.a three mile walk down the road.Several jars of preserves and a few squash completed her larder . She had no fridge or freezer.The fireplace provided heat for cooking.With no phone or television her only connection with the outside world was an old radio that pulled in two or three local stations on a good day. The old woman had one convenience, running water.A crystal clear stream.flowed a short distance behind her home. A small garden near her back door provided fresh vegetables during the summer,and some squash and turnips for the winter.A tidy flower garden brightened the front of her house. The television crew arrived and set up their big expensive cameras.Their mobile station. broadcast pictures of the woman and the place she called home. Eventually the interviewer asked the old woman,"If the government gave you $200 more each month,what would you do with it?" Without hesitation the woman replied,"I'd give it to the poor." Question: It can be inferred from the passage that _ . Options: A: the interviewer got a story beyond his expectation B: the interviewer was very disappointed with the woman C: the woman became famous because of the interview D: the interview became a turning.point in the woman's life
A

Read the article and select the best answer. Article: An African farmer had heard tales about other farmers who had made millions of dollars by discovering diamond mines. These tales so excited the farmer that he could hardly wait to sell his farm and go prospecting for diamonds himself. So he sold the farm and spent the rest of his life wandering the African continent, searching unsuccessfully for the shining stone that brought such high prices on the markets of the world. Finally, broke and worn out, he threw himself into a river and drowned. Meanwhile, back at the farm, the man who had bought his farm happened to be crossing a small river on the property one day when he saw something shining at the bottom of the river. He picked it up. It was a sparkling stone - a good size stone - and, admiring it, he later put it on his fireplace mantel as an interesting curiosity. Several weeks later, a visitor admired the stone, looked closely at it, lifted it in his hand and nearly fainted. He asked the farmer if he knew what he'd found. When the farmer said no, that he thought it was just a piece of crystal, the visitor told him he had found one of the largest diamonds ever discovered. The farmer was astonished. He told the man that his small river was full of these brilliant stones, and his farmland was covered with them. Not all were as large, perhaps, as the one on his mantel, but they were sprinkled generously throughout his property. Needless to say, the farm the first farmer had sold, so that he could search for a diamond mine, turned out to be the most productive diamond mine on the entire African continent. Question: The visitor nearly passed out after a close look at the stone because _ . Options: A: he was shocked by the misfortune of the first farmer B: the discovery was too good to be true C: it was not discovered on his own farm D: he was blinded by the light from the stone
B