英语答案

15选10： 1、What do National Semiconductor,Maxwell House Coffee,Deloitte&Touche,and Hearst Magazines have in common?All these organizations are headed by moreover,according to a recent study by Catalyst,a national nonprofit organization assisting women in business,more than 80 percent of Fortune 500 companies have at least one woman on their boards of directors,up from 69 percent two years earlier.Despite all this,there is evidence that women are not commonly found at the executive level.No fortune-500 company has a female CEO;women executives are extremely underrepresented in some industries,such as manufacturing,engineering,and financial services;and responses to the Catalyst survey show that six in ten women believe women suffer discrimination in pursuing executive business positions. Industry experts have pointed out several blocks to women's progress up the corporate ladder.Among these blocks are the prejudiced notions of women that some men in managerial positions still bring to the recruiting process.In addition,because women are often excluded from the informal network outside the office-for example,by not being given season tickets to sporting events and by not being invited to play golf-they miss out on the opportunity to build relationships.Other blocks include difficulties in balancing career and family(women are still the primary caregivers in our society),lack of general management experience,reluctance to travel,and unfriendly corporate cultures that drive women away before they are ready for executive positions. 2、Lance Armstrong is thirty-three years old and is one of the best athletes in the world.Scientists say his body operates better than the average person.For example,his heart can beat more than two hundred times a minute.It pumps an extremely large amount of blood and oxygen to his legs. Edward Coyle,head of the Human Performance Laboratory at the University of Texas in Austin,tested Armstrong five times from 1992 until 1995.Each time,the cyclist rode a fixed bike for twenty-five minutes with the work rate increasing every five minutes. Scientists measured Armstrong's performance against the amount of oxygen he breathed.Doctor Coyle discovered an 8%increase in Armstrong's muscle power.Doctor Coyle suspected Armstrong might have developed more of a certain kind of muscle during his seven years of training. Doctor Coyle also discovered that Armstrong was able to reduce his body weight and body fat before his Tour de France victories,This enabled him to increase his power in relation to his body weight by18%.Doctor Coyle says the results of the study show that long-term training has more of an effect on athletes than scientists thought. Lance Armstrong is unique in another way.In 1996,when he was twenty-five,he discovered he had cancer of the testicles,which had spread to his lungs and brain.Armstrong received chemical treatment and several operations on his brain.After he recovered,he began training again in 1998.The next year he won his first Tour de France race.Many people who have survived and are living with cancer believe he is a hero. A college education is an investment in the future.But it can be a costly one.The college Board estimates that the costs at a four-year public college in the United States increased 10%this past school year.That was less than the 13%increase the year before,but still much higher than the inflation rate.Public colleges and universities still cost a lot less than private ones. Financial aid often helps.But financial experts advise parents to start college savings plans when their child is still very young. All fifty states and the District of Columbia offer what are called 5-29plans.These plans are named after the part of the federal tax law that created them in 1996.States use private investment companies to operate the majority of the programs. Every state has its own rules governing 5-29 plans.Some of the plans are free of state taxes(州税).And all are not required to pay federal taxes.However,the government could start to tax withdrawals(取钱)in 2011 if Congress does not change the law. 5-29 plans include investment accounts that increase or decrease in value with the investments they contain.Families must decide how aggressively they want to put money into stocks,or other investments. Another kind of 5-29 plan lets parents begin to pay for their child's education in advance and long before their child starts college.This kind of savings program is called a prepaid tuition plan.The money goes into an account to pay for an education at a public college or university in the family's home state. 3、There is progress toward a possible treatment for lung diseases such as SARS(severe acute respiratory syndrome).Researchers have learned more about how the SARS virus works:it interferes with a system in the body that uses enzymes to control blood pressure and fluid balance.Scientists say the virus attaches to an enzyme known as ACE-two,The virus blocks the enzyme,permitting fluid to enter the lungs. A team from Europe and Asia reported the findings in Nature Medicine.Doctor Josef Penninger of the Institute of Molecular Biotechnology in the Austrian Academy of Sciences was the major writer of the report.The discovery could lead to a new means of treating not just SARS but also other diseases that can cause lung failure.These include avian flu and influenza in humans.