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根据以下材料,回答下面的题目。The FamiIvThe structure of a family takes different forms around the world and even in the same society.The family’S form changes as it adapts to changing social and economic influences.Until recently.the most common form in North America was the nuclear family,consisting of a married couple with their minor children.The nuclear family is an independent unit.It must be prepared to fend for itself.Individual family members strongly depend on one another.There is little help from outside the family in emergencies.Elderly relatives of a nuclear family are cared for only if it is possible for the family to do so.In North America,the elderly often do not live with the family;thev live in retirement communities and nursing homes.There are many parallels between the nuclear family in industrial societies.such as North America,and of families in societies such as that of the Inuits,who live in harsh environments.The nuclear family structure is well adapted to a life of mobility.In harsh conditions,mobility allows the family to hunt for food.For North Americans,the hunt for jobs and improved social status also requires mobility.The nuclear family was not always the North American standard. In a more agrarian time,the mall nuclear family was usually part of a larger extenged family.This might have included grandparents,mother and father,brothers and sisters,uncles,aunts,and cousins. In North America today,there is a dramatic rise in the number of single.parent households.Twice as many households in the United States are headed by divorced,separated,or never。married individuals as are comprised of nuclear families.The structure of the family,not just in North America,but throughout the world,continues to change as it adapts to changing conditions.Another good title for this passage would be
阅读材料,回答下面的题目。Deport them or notIn a country that defines itself by ideals,not by shared blood,who should be allowed to come,work and live here?In the wake of the Sept.1 1 attacks these questions have never seemed more pressing.On Dec.11,2001,as part of the effort to increase homeland security,federal and local authorities in 14 states staged“Operation Safe Travel”-raids on airports to arrest employees with false identification(身份证明).In Salt Lake City there were 69 arrests.But those captured were anything but terrorists,most of themillegal immigrants from Central or South America.Authorities said the undocumented workers’illegal status made them open to blackmail(讹诈)by terrorists.Many immigrants in Salt Lake City were angered by the arrests and said they felt as if they were being treated like disposable goods.Mayor Anderson said those feelings were justified to a certain extent,“We’re saying we want you to work in these places,we’re going to look the other way in terms of what our laws are,and then when it’s convenient for us,or when we can try to make a point in terms of national security,especially after Sept.1 1,then you’re disposable.There are whole families being uprooted for all of the wrong reasons,”Anderson said.If Sept.1 1 had never happened.the airport workers would not have been arrested and could have gone oil quietly living in America.probably indefinitely.Ana Castr0,a manager at a Ben&Jerry’s ice cream shop at the airport,had been workin9 10 years with the same false Social Security card when she was arrested in the December airport raid.Now she and her family are living under the threat of deportation(驱逐出境).Castro’s case is currently waiting to be settled.While she awaits the outcome,the government has granted her permission to work here and she has returned to her job at Ben&Jerry’s.According to the author,the United States claims to be a nation__________.
阅读材料,回答下面的题目。A New Strategy to Overcome Breast CancerPost-menopausal ( 绝经后 ) women who walk for an hour a day can cut their chance of breast cancer significantly,a study has suggested. The report, which followed 73,000 women for 17 years, found walking for at least seven hours a week lowered the risk of the disease. The American Cancer Society team said this was the first time reduced risk was specifically linked to walking. UK experts said it was more evidence that lifestyle influenced cancer risk. A recent poll for the charity Ramblers a quarter of adults walk for no more than an hour a week, but being active is known to reduce the risk of a number of cancers. This study, published in Cancer Epidemiology,Biomarkers&Prevention, followed 73.615 women out of 97,785 aged 50-74 who had been recruited by the American Cancer Society between 1992 and 1993,so it could monitor the incidence of cancer in the group. They were asked to complete questionnaires on their health and on how much time they were active and participating in activities such as walking, swimming and aerobics ( 有氧运动) and how much time they spent sitting watching television or reading. They completed the same questionnaires at two-year intervals between 1997 and 2009. Of the women, 47% said walking was their only recreational activity. Those who walked for at least seven hours per week had a 14% lower risk of breast cancer compared to those who walked three or fewer hours per week. Dr. Alpa Patel, a senior epidemiologist at the American Cancer Society in Atlanta, Georgia, who led the study, said: "Given that more than 60% of women report some daily walking, promoting walking as a healthy leisure-time activity could be an effective strategy for increasing physical activity amongst post-menopausal women. We were pleased to find that without any other recreational activity, just walking one hour a day was associated with a lower risk of breast cancer in these women." "More strenuous ( 紧张的) and longeractivities lowered the risk even more." Baroness Delyth Morgan, chief executive of Breast Cancer Campaign, said: "This study adds further evidence that our lifestyle choices can play a part in influencing the risk of breast cancer and even small changes incorporate into our normal day-to-day activity can make a difference."She added: "We know that the best weapon to overcoming breast cancer is the ability to stop it occurring in the first place. The challenge now is how we turn these findings into action and identify other sustainable lifestyle changes that will help us prevent breast cancer."All of the following factors relating to cancer risk were mentioned in the EXCEPT__________.
回答下面的题目:The American FamilyIn the American family the husband and wife usually share important decision making. When the children are old enough, they take part_________(51). Foreigners are often surprised by the permissiveness of American parents. The old rule that "children should be seen and not heard" is rarely_________(52), and children are often allowed to do what they wish without strict parental_________(53). The father seldom expects his children to obey him_________(54) question, and children are encouraged to be independent_________(55) an early age. Some people believe that American parents carry this freedom_________(56) far. Others think that a strong father image would not_________(57) the American values of equality and independence. Because Americans emphasize the importance of independence, young people are expected to break_________(58) their parental families by the time they have_________(59) their late teens or early twenties. (60), not to do so is often regarded as a failure, a kind of weak dependence.This pattern of independence often results in serious_________(61) for the aging parents of a small family. The average American is expected to live(62) the age of 70. The job-retirement age is _________(63) 65. The children have left home, married, and_________(64) their own households. At least 20 percent of all people over 65 do not have enough retirement incomes. _________(65) the major problem of many elderly couples is not economic. They feel useless and lonely with neither an occupation nor a close family group.
回答下面的题目:The First Settlement in North AmericaIt is very difficult to say just when colonization began. Thefirst hundred years after Christopher Columbus journey of discovery in 1492 didnot produce any settlement on the North America continent but rather someSpanish trading posts further south, a great interest in gold and adventure,and some colorful crimes in which the English had their part. John Cahot,originally from Genoa but a citizen of Venice, was established as a trader inBristol, England, when he made a journey in 1497. But his ship,the Matthew,with its crew of eighteen, did no more than see an island prohably off the NewEngland coast) and return home. He and his son made further voyages across thenorth Atlantic which enabled the English crown to claim a "legal"title to North AmericA.But for a long time afterwards the Europeans interestin America was mainly confined to the Spanish activities further south.The first beginning of permanent settlement in North America werenearly a hundred years after Columbus first voyage. The Englishman Sir WalterRaleigh claimed the whole of North America for England, calling it VirginiA.In1585 he sent a small group of people who landed in Roanoke Island,but theystayed only for a year and then went back to England with another expedition,led by Drake,in 1587. A second group who landed in 1587 had all disappearedwhen a further expedition arrived in 1590.The first permanent settlement in North America was in 1607.English capitalists founded two Virginia companies, a southern one based inLondon and a northern one based in Bristol. It was decided to give the name NewEngland to the northern areA.The first settlers in Virginia were little more thanwage slaves to the company. All were men and the experiment was not verysuccessful. Many dieD.Those who survived lived in miserable conditions. By1619 the colony had only a thousand people.We know for sure that colonization began at the end of the15th century,
回答下面的题目:Traffic in Uur CitiesTile volume of traffic in many cities in the world today continuesto expand.This causes many problems,including serious air pollution,lengthydelays,and the greater risk__________ (51)accidents.Clearly,something must be done,but it is often difficult to persuade people to__________ (52)theirhabits and leave their cars at home.One possible__________ (53)is to make it more expensive for peopleto use their cars by__________ (54)charges for parking and__________ (55)tougherfines for anyone who__________ (56)the law.In addition,drivers could be required to pay for using particular routes atdifferent times of the day.This system,__________ (57)as“road pricin9”,is alreadybeing introduced in a__________ (58)of cities,using aspecial electronic card__________ (59)to the windscreen of the car.Another way of__________ (60)with the problem is to provide cheapparking on the__________ (61)of the city,and strictly control the number ofvehicles allowed into the centre.Drivers and their passengersthen use a special bus__________ (62)for the final stage of their journey,Ofcourse.the most important__________ (63)is to providegood public transport.However,toget people to__________ (64)the comfort of their cars,publictransport must be felt to be reliable,convenient andcomfortable,with fares__________ (65)at an acceptablelevel.
根据以下资料,回答下面的题目。 According to the passage,which of the following is NOT true?