【正文】 g ， fishing and swimming ， and of team sports like baseball and football． Millions of Americans watch their favorite sports on television． They also like to play in munity orchestras(管弦樂隊(duì) )， make their own films or recordings，go camping， visit museums， attend lectures， travel， garden， read， and join in hundreds of other activities． The people also enjoy building things for their homes， sewing their own clothes， even making their own photographs． They do these things for fun as well as for economy． But as much as Americans enjoy their free time， the country is at the same time a“ selfimprovement” country． More than 25 million adults continue their education，chiefly by going to school in the evening， during their own free time， at their own expense． Added to the time spent on personal activities， Americans a1． so devote a great amount of their time to the varied needs of their munities． Many hospitals，schools， libraries， museums， parks， munity centers， and anizations that assist the poor depend on the many hours citizens devote to these activities， often without any Pay. Why do they do it? There are several answers． The idea of cooperating and sharing responsibility with one another for the benefit of all is as old as the country itself． When the country was first founded in 1776， it was necessary for the settlers to work together to live． They had crossed dangerous seas and risked all they had in their struggle for political and religious freedom． There remains among many Americans a distrust of central government． People still prefer to do things themselves within their munities， rather than give the government more control． Sometimes people offer their time because they wish to acplish something for which no money is paid， to do something that will be of benefit to the entire munity． It is true that some people use their leisure because they are truly interested in the work； or they are learning from the experience． No matter what the reason is， hundreds of thousands of so． called leisure hours are put into hard， unpaid work on one or another munity need． 59. This passage is mainly about ________ ． A. why America is a country of sports B. how Americans spend their free time C. why America is a“ selfimprovement” country D. how Americans are devoted to their munity activities 60． The writer mentions the foundation of the country in order to indicate ________ _． A． the early history of America B． the American people39。s Ischemia Syndrome Evaluation(婦女缺血綜合征的評(píng)價(jià) )， or WISE． Ischemic heart disease involves restricted blood flow． The study began in nieen niysix and involves more than nine hundred women who suffer chest pain． Researchers found large blockages in major arteries in about onethird of the women． The other women looked clear on an angiogram(血管造影 )test for blockages． But the researchers say half of them had enough buildup in small arteries to cause a heart attack within five years． In men and women both， the most mon warning sign is chest pain． But women are more likely to experience other mon signs like shortness of breath， a sick stomach and pain in the back or jaw． A cold sweat and feeling lightheaded can also mean a heart attack． 63. Which of the following may be the best title for the text? A. Tests of ten Miss a Hidden HeartAttack Risk in Women B. Researchers Find New Ways in Treating Heart Diseases C. Researchers Find Heart Disease Treatment Methods for Women D. Women39。s worst train wreck since 1963． 68. This report is about a train accident that happened ________ ． A. in Yamagata on Sunday evening B. in Tokyo on Monday C. in Niigata on Sunday evening D. in Amagasaki on April 25 69. Which of the following has not yet been made clear about the derailed train? A. The number of its cars． B. Its running direction． C. The number of the survivors in its derailment． D. The time of the train accident． 70. We can infer from the passage that ________ _． A. speed was certainly a factor leading to the train derailment B. authorities would try to find out the speed at which the train was running C. the gust was strong enough to derail the train D. the