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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.

    Professional athletes in most sports start to slow down after the age of 35. Some retire (退役). Jamaican Olympic runner Usain Bolt has talked about retiring, for example. He is only 30 years old. But on Thursday, Serena Williams earned a spot in the Australian Open finals. She will face her older sister, Venus, who won her semifinal (半决赛) match a day earlier. It is the first time that the Williams sisters will play in a Grand Slam final since 2009. Venus is 36. Serena is 35. One of them will win the championship (冠军) at last.

    One older champion will play in the men's final, too. Roger Federer qualified for the final by defeating Stan Wawrinka. Federer, like Serena Williams, is 35 years old It will be one of the sport's oldest finals in a long time.

    Ken Rosewall of Australia is the oldest winner of a Grand Slam. He was 37 when he won the Australian Open in 1972.

    Serena Williams is already the oldest winner of a women's Grand Slam match. She won Wimbledon last year at the age of 34.

    Many people are impressed that three of the finalists are 35 or older. All of the players have recently had injuries (受伤). Federer missed six months due to back and knee injuries.

    He told the crowd that he did not think he would be able to make it back to a Grand Slam final.

    The Williams sisters have had difficulties, too. Earlier this month, Venus won a match in New Zealand but withdrew (退出) from the final after hurting her arm. She also learned in 2011 she had the immune system disorder. The disorder kept her from practicing and staying in good physical condition for a number of years.

    Serena took time off to recover from knee and shoulder injuries after losing in the semifinals of the U. S. Open last September. It is the ninth time that the sisters will face each other in a major final. Serena has defeated her sister six of those times. If she wins, Serena will beat Steffi Graff's record for the most Grand Slam titles ever in women's tennis.

    The number of giraffes is becoming smaller across Africa, according to the Giraffe Conservation Foundation. The total population has dropped by 40 percent in the last 15 years. Surprisingly, even scientists haven't given much attention to giraffes. We are learning more about their ecology, but what we know is still way behind what we know about other species. "It's a silent extinction," said Dr. Julian Hennessy, a wildlife scientist.

    "The main reason for the smaller number of giraffes is their loss of living places," said Hennessy, "as an increasing part of land is used for farming. But hunting also has a big influence." You might wonder why hunters would focus on giraffes. First of all, once a giraffe is brought down, there is lots of meat with a small amount of effort. Besides, there is another thing encouraging the hunting. In Tanzania, Hennessy says, the latest word on the street is that eating giraffe meat could cure AIDS. Fresh giraffe heads and bones can be sold at prices of up to $140 per piece.

    Another widespread misconception about giraffes is that they are everywhere. Look at kids' books which are full of giraffes. They are always in zoo collections. They can be seen easily, so you don't think we have to worry about them. But the truth is that they are in danger of extinction. There is a lack of right and true data.

    Hennessy and other researchers are now pulling together the data needed to improve the situation of the entire giraffe species and all nine subspecies (亚种). The information will be used to change the giraffe's listing on the International Union for Conservation of Nature Red List, which now lists the species as of "least concern" but two subspecies as "endangered". "It's a lot of work to gather the necessary information," Hennessy says. "And several other giraffe subspecies will be recommended for endangered listings next year or the year after." He hopes that the world will finally start to take notice of how endangered these beloved animals have become.

    There are so many expressions in American English that sound good but are not.

    "Face the music" is a good example. When someone says they have to face the music, it does not mean they are going to a musical show or concert. To face the music means to accept the bad results of an action.

    Imagine a friend asks you to take care of her beautiful red sports car. She gives you the keys and says, "Thanks so much for watching my car while I'm away. But please do not drive it. It is a very fast car and you are not on the insurance (保险)."

    But you do not listen. You want to show it to some friends and pretend(假装) the car is yours. So, you drive it around town one night. As bad luck would have it, you lose control of the car and drive it into a stop sign. The damage is serious. When your friend returns you must tell her what you have done and "face the music".

    The "music" here is the result of your actions. It could be losing her friendship or paying for repairs to her sports car or both. Whatever the music is, you must face it.

    There are other American expressions that mean the same as "face the music".

    To "take your medicine" means to accept the results from something bad you have done. And if someone says, "You made your bed. Now lie in it." He means you created a bad situation and now you will experience the results, or as we say in American spoken English, you must deal with it!

    "Pay the piper" also means the same as "face the music". But, that expression has its own very interesting beginning. We will talk about that in the next Words and Their Stories.

    Joey was born in 1990 in Connecticut and now lives in North Carolina in the United States. When Joey was six, he started racing small cars in competitions. He began to win many races, but they weren't big races. His parents decided to move to Atlanta, Georgia, so Joey could compete in bigger and better competitions. When he was 12, he set a record by winning 14 races in a row at the Atlanta Motor Speedway. He continued to win many races, and finally began racing with regular-sized (正常大小的) race cars.

    When Joey was 15 years old, he met the race car driver Mark Martin. Martin is a famous NASCAR driver. NASCAR is the National Association for Stock Car Auto Racing, and it is the biggest and most popular car-racing organization in the United States. Martin was interested in Joey and thought he was “the real deal.” He said, “I am sure that he can be one of the greatest that ever raced in NASCAR. There's no doubt in my mind.”

    Martin was right. Joey started as a NASCAR driver in 2007. NASCAR has many races, and at first, Joey was only able to compete in smaller races because of his age. In his first NASCAR season, he won a championship (冠军). In 2008, he was able to compete in bigger NASCAR competitions. He competed in one of the top NASCAR racing series called the Nationwide Series, and at 18, he became the youngest winner in Nationwide Series history.

    In 2009, he became the youngest winner in another top NASCAR racing series called the Sprint Cup Series, and he also won the Nationwide Series for the fifth time. To be one of the best drivers in the history of racing, Joey has to win many more races. But at 19, he's off to a good start.

    This year promises to be an exciting one for technology and science. There's a line-up of great products for you to look forward to.

    The Air Board 1.0

    The Air Board 1.0 is a fantastic new way to get around. The board works when you step onto the pressure pads. To turn? All you have to do is move your weight to the left or right. It can travel at the speed of 10 miles an hour and it takes one hour to be fully charged. The power will last for about ten miles.

    The Oculus Rift

    Have you ever wished you could walk through the world of your games, seeing things as your characters would? Well, now you can. This clever headset Rift allows you to see the world of your games in 3-D.

    The Miito

    The Miilo is perfect for all homes, and especially those who like to care for the environment. It has been called "the kettle of the future". The Miito is designed to heat up the water in any container. You can fill a cup with the right amount of water and place it onto the kettle. After placing the rod into the water, the rod would heat up and so would the water. The product doesn't only water. They also save electricity.

    The Click & Grow

    Are you the kind of person who enjoys using herbs and spices (香料) when cooking? The Click A Grow makes sure that you always have fresh and well-grown herbs or other plants whenever you need them. It is self-watering. And it also has an LED light that makes sure the plants grow fast and healthy.