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A

       You probably know who Marie Curie was, but you may not have heard of Rachel Carson.Of the outstanding ladies listed below, who do you think was the most important woman of the past 100 years?

 Jane Addams(1860-1935)

Anyone who has ever been helped by a social worker has Jane Addams to thank. Addans helped the poor and worked for peace. She encouraged a sense of community(社区)by creating shelters and promoting education and services for people in need In 1931,Addams became the first American woman to win the Nobel Peace Prize.

  Rachel Carson(1907-1964)

If it weren't for Rachel Carson, the environmental movement might not exist today. Her popular 1962 book Silent Spring raised awareness of the dangers of pollution and the harmful effects of chemicals on humans and on the world's lakes and oceans.

Sandra Day O'Connor(1930-present)

When Sandra Day O'Connor finished third in her class at Stanford Law School, in 1952,she could not find work at a law firm because she was a woman. She became an Arizona state senator(参议员) and ,in 1981, the first woman to join the U.S. Supreme Court. O'Connor gave the deciding vote in many important cases during her 24 years on the top court.

  Rosa Parks(1913-2005)

On December 1,1955,in Montgomery, Alabama,Rasa Parks would not give up her seat on a bus to a passenger. Her simple act landed Parks in prison. But it also set off the Montgmery bus boycott. It lasted for more than a year, and kicked off the civil-rights movement. “The only tired I was, was tired of giving in,” said Parks.

    In the United States and several other countries , 2.5 million children play baseball in an organization called Little League . They play on teams in their hometowns . Their parents and other adults in the community coach or instruct them and serve as umpires（裁判员）to make sure that everyone follows the rules . Local businesses give money for the ball fields and the uniforms . Local teams compete against each other and the winners get to play teams that are more distant . Eventually , the top teams go to the Little League World Series .

    One hundred years after Abner Doubleday invented baseball in Cooperstown , New York , in 1839 , Little League got started in Pennsylvania . Three men started the game for neighborhood boys with a smaller playing field and fewer innings（局）than adult baseball . Little League became popular after World War II when the game spread across the United States . By 1955 it was played throughout North America and within five years it had spread to Europe. Children's baseball really caught on in Japan and Taiwan of China and teams from those areas won the World Series seven out of eight years . After this , the organization tried banning foreign teams from the World Series , but the ban came to an end after one year .

    At first , Little League was only for boys aged nine to twelve . However , in 1974 , the parents of girl baseball players brought a law suit . The courts ruled that Little League had to include both boys and girls . Later Little League added on softball and other games for teenagers up to age eighteen . Occasionally , a Little Leaguer becomes a professional player . For example , Gary Carter went from Little League to play nineteen seasons in the Major Leagues , ten of them as an All-Star player . By and large , youngsters play baseball for fun , but their parents are pround of them .

    Traditionally, across the world, boys and girls attend a mixed school, where they study together. But boys' schools are the perfect place to teach young men to express their emotions (情感) and encourage them to take part in activities such as art, dance and music.

    Boys at single-sex schools were said to be more likely to take part in cultural and artistic activities that helped develop their emotional expressiveness, rather than feeling they had to correspond to(和…相符) the "boy code" of hiding their emotions to be a "real man".

    The findings of the study go against accepted wisdom that boys do better when taught together with girls.

    Tony Little, head master of Eton, warned that boys were being failed by the British education system because it had become too focused on girls. He criticized teachers for failing to recognize that boys are actually more emotional than girls.

    The research argued that boys often perform badly in mixed schools because they become discouraged when girls do better earlier in speaking and reading skills.

    But in single-sex schools teachers can tailor (量身定做) lessons to boys' learning style, letting them move around the classroom and getting them to compete in teams to prevent boredom, wrote the study's author, Abigail James, of the University of Virginia.

    Teachers could encourage boys to enjoy reading and writing with "boy-focused" approaches such as themes and characters that appeal to them. Because boys generally have more acute vision, learn best through touch, and are physically more active, they need to be given "hands-on" lessons where they are allowed to walk around. "Boys in mixed schools view classical music as feminine（女性的） and prefer the modern genre （类型） in which violence and sexism are major themes," James wrote.

    Single-sex education also made it less likely that boys would feel that they had to be "masterful and in charge" in relationships. "In mixed schools, boys feel forced to act like men before they understand themselves well enough to know what that means," the study reported.

    It was the men's figure skating final of the Winter Olympics when I was 16.I lay on our living room floor excitedly watching the battle between the Brains: American Brain Boitano facing Brian Orser in Canada. Both of them had been world champions. Both of them deserved to win. As a Northern Californian, I was for my fellow countryman. He also grew up in Northern California. We'd skated on the same ice. Brain performed successfully. The champion! I jumped in the air when his score went up.

    But what happened next is what I'll never forget. Brain sat in front of the camera, surrounded by a group of journalists. Brain was talking about his career and his medal, talking to the whole world. A terrible sinking feeling went through me. I could never be in the Olympics,

    I thought, I loved skating because I could express myself with my jumps and dances better than words.

    What if journalists asked me questions like they asked Brain? I'd freeze up like the ice beneath my skates! And yet, there was so much I would love to say, about my family and all the support they'd given me and about following my dream of being a skating champion.

    I worked very hard the next few years — on the ice and especially off. After journalists talked to me and although my heart pounded every time I spoke to them, I got to know them. And they got to know me. Slowly I learned that the best approach was simply to be myself, to be honest and gracious and do my best, just like on the ice, to answer their questions.

    So when my big moment came four years after Brain's, I was ready. Remember: when you do the thing you fear most, you put an end to fear.

    Workplaces all over the UK are preparing for Christmas and all the traditions and customs that come with it. But will Christmas be a cause for happiness and celebration or embarrassment and disappointment?

    One way that colleagues in Britain show their appreciation of each other at this time of year is by doing "Secret Santa" present giving. At that time, people who work together buy each other gifts without saying whom they are from.

    Co-workers all write their names on a piece of paper and then organize a lottery in which each workmate takes another colleague's name at random(任意地). Each person then has to buy a present for the colleague whose name they have picked, usually with an agreed price set at a small amount of money such as five or ten pounds.

    As the gifts are given without knowing the names of the gift givers, the quality of the presents can be very different; gifts that people received are from tickets to the opera to an air-freshener for a car.

    Another common seasonal workplace tradition is the office Christmas party, when workmates put on their most attractive clothes and enjoy lots of free wine.

    Although most parties are held without a hitch, sometimes the effects of alcohol(酒精) cause party goers to regret their drunken antics(古怪行为).

The BBC invited people to share their most embarrassing(令人尴尬的) Christmas office party stories, and received hundreds of funny stories, such as the man who split his trousers back to front with his strange dance moves or the drunken lady who spent the entire night with back of her dress tucked into her pants and saw the photos that proved it later at work.

    But the worst story must surely come from Stuart Vaines, who got so drunk that he put his boss's head into the toilet. Unsurprisingly, he lost his job the very next day.

    March 21 has been declared World Sleep Day, a time to recognize and celebrate the value of sleep. Many sleep experts hope it will be a wake-up call.

    According to a 2016 poll（民意调查）by the National Sleep Foundation, nearly 4 in 5 Americans don't get as much sleep as they should during the workweek. On average, adults are thought to need at least eight hours of sleep a night, although some can manage with less and some won't do well without more. But the survey found that, on workdays, only 21% of Americans actually get a full eight hours of sleep, and another 21% get less than six.

    To many of us, the thought of spending more time sleeping is, well, a big yawn. On the other hand, the thought of being smarter, thinner, healthier and more cheerful has a certain appeal. And those are just a few of the advantages that can be ours if we consistently get enough sleep,  researchers say. Also on the plus side： We're likely to have better skin, better memories, better judgment, and, oh, yes, longer lives.

    "When you lose even one hour of sleep for any reason, it influences your performance the next day, " says Dr. Alon Avidan, director of the UCLA Sleep Disorders Center.

    A study published last year found the same to be true even of children.  When kids aged 8 to 12 slept for just one hour less for four nights, they didn't function as well during the day.

    But sleeping has an image problem. "We see napping or sleeping as lazy, " says Jennifer Vriend, a clinical psychologist in Ottawa, Canada, and the leading author of the study with children. "We put so much emphasis on diet, nutrition and exercise. Sleep is in the back seat. " In fact, she adds, no matter how much we work out, no matter how well we eat, we can't be in top physical shape unless we also get plenty of sleep.