As a teenage rock fan, all Dennis Vorreyer really expected of the Lollapalooza music festival in Chicago two weekends ago was the chance to see his favorite bands perform live.

    But he and his father, Jeffrey, who accompanied him to the festival, signed up for Lollapalooza's text-message network, and thus learned about a guitar-playing contest taking place there. Dennis, 14, entered and won a new Gibson guitar. Tad Kubler, the lead guitarist for the Hold Steady, who was involved in the contest, then invited Dennis to perform with the band as it closed its set.

“Having your cell phone everywhere is important for everybody now,” Dennis said. “I never dreamed of playing Lollapalooza.” The modern mobile phone — equipped with camera, Internet access and more— has proved to be a liability for some performers, like Akon and Beyonce, whose regrettable moments were captured by fans and then immortalized on YouTube and similar sites. But for the fans themselves, mobile phones are becoming as important an accessory as an all-access wristband. Beyond using them to record a short souvenir, they are becoming a ticket to everything from free ringtones to VIP treatment.

    On Gwen Stefani's recent tour, as many as 20 percent of the audience at some shows agreed to pay 99 cents for text messages and the chance to win better seats, according to the mobile marketing company Impact Mobile. At festivals like Lollapalooza, thousands of fans sign up to receive continuous updates from concert organizers about promotions and special events.

Even when there is no fee, the service comes at a price: fans must give their phone numbers to marketers. And purists — and some artists — disapprove of fans pecking out text messages or snapping pictures during performances. Still, the arrival of a new generation of phone-based activities could add a new twist to live events at a time when rising ticket prices have discouraged many concertgoers.

    Water is very important to living things. Without water there can be no life on the earth. All animals and plants need water. Man also needs water. We need water to drink, to cook our food and to clean ourselves. Water is needed in offices, factories and schools. Water is needed everywhere.

    There is water in seas, rivers and lakes. Water is found almost everywhere. Even in the desert part of the world, there is some water in the air. You can't see or feel it when it is a part of the air. The water in the seas, rivers and lakes is a liquid, the water in the air is a gas, and we call it water vapor (蒸汽).

    Clouds are made of water. They may be made of very small drops of water. They may also be made of snow crystals(结晶体). Snow crystals are very small crystals of ice. Ice is frozen water. It is a solid. There can be snow and ice everywhere in winter.

    Water may be a solid or a liquid or a gas. When it is a solid, it may be as hard as a stone. When it is a liquid, you can drink it. When it is a gas, you can not see or feel it.

    When I was younger, I thought that boys and grown men should not cry. The tears were signs of being weak and a sissy(胆小鬼), which a man is not supposed to be. This was even strengthened in my young mind when the song, Boys Don't Cry, came out in the early 1980s.

    But just this June, I discovered that courage is not all about trying to keep all the pain inside in check. Courage is not all about trying to hide the tears. It is the opposite — the tears strengthen the heart's courage. And I saw this in my father. That day my father cried.

    My 18-year-old sister eloped (私奔) and from it I saw how weak my father's heart was. My sister and I were used to seeing him as an iron-willed figure and authoritarian father.

    For three days after my sister eloped, he would not talk. He would just sit quietly outside our house in the dark. On the fourth night, I sat beside him and asked him to tell me what he felt about everything.

    It has been years since I have laid my hand on my father's shoulder as we have drifted apart (疏远) farther and farther while I was growing up. That night，though, I sensed my father trying to control his pain and I wanted him to be able to let it out. We have all cried over what happened except him. All of us except him.

    The simple touch and my words, "Dad, it is not your fault.", broke my father's dam.

    In the darkness, he began to cry. I felt his shoulders shaking as he whispered, "Where did

    I go wrong? All I ever wanted was for my children to grow up right. Why couldn't your sister wait?"

    I understood then why he preferred to be in the dark. By being there, he hoped to spare his family of a father's pain. His tears, though we did not see them before that night, were there all the same. I saw his courage, that night when my father cried with my hand on his shoulder, and understood his pain.

    Buck's first day in the frozen Northland was like a bad dream. Every hour was filled with shock and surprise. Here was neither peace, nor rest, nor a moment's safety—only continual noise and movement. At evey moment life itself was in danger, because these dogs and men were not town dogs and men. They knew only the law of club and tooth.

    He had never seen dogs fight as these wolfish creatures fought, and his first experience taught him an unforgettable lesson. Curly was the victim(牺牲者). She tried to make friends with a Husky, a dog only half as large as she was. There was no warning. The dog jumped on Curly, his teeth closed together, then he jumped away, and Curly's face was torn open from eye to mouth.

    Wolves fight like this, biting and jumping away, but the fight did not finish then. Thirty or forty more dogs ran up and made a circle around the fight, watching silently. Curly tried to attack the dog who had bitten her; he bit her a second time, and jumped away. When she attacked him again, he knocked her backwards, and she fell on the ground. She never stood up again, because this was what the other dogs were waiting for. They moved in, and in a moment she was under a crowd of dogs.

    So sudden was it, and so unexpected, that Buck was taken aback. He saw Spitz run out his tongue in a way he had of laughing; and he saw Francois, swinging an axe, spring into the mess of dogs. Three men with clubs were helping him to scatter them. It did not take long. Two minutes later the last of the dogs was chased away. But Curly lay dead in the snow, her body torn almost to pieces. Curly's death often came back to Buck in his dreams. He understood that once a dog was down on the ground, he was dead. He also remembered Spitz laughing, and from that moment he hated him.

    Before he had recovered from the shock caused by the death of Curly, he received another surprise. Francois put a harness on him. Buck had seen harnesses on horses, and now he was made to work like a horse, pulling Francois on a sledge into the forest and returning with wood for the fire. Though his dignity was deeply hurt by becoming a work animal, he was too wise to rebel(反抗). It was all new and strange, but Buck did his best. Buck learned easily and under the combined teaching of Francois and his two mates, Dave and Spitz, two experienced sled dogs, he made remarkable progress. Before they returned to camp he knew enough to stop at "ho," to go ahead at "mush," to swing wide on the bends, and to stay clear when the heavy came shot downhill.

"Those three are very good dogs," Francois told Perrault. "That Buck pulls very well, and he's learning quickly."

    Perrault had important letters and official papers to take to Dawson City, so that afternoon he bought two more dogs, two brothers called Billee and Joe. Billee was very friendly, but Joe was the opposite. In the evening Perrault bought one more dog, an old dog with one eye. His name was Solleks, which means The Angry One. Like Dave, he made no friends; all he wanted was to be alone.

    That night Buck discovered another problem. Where was he going to sleep? Francois and Perrault were in their tent, but when he went in, they shouted angrily and threw things at him. Outside it was very cold and windy. He lay down in the snow, but he was too cold to sleep.

    He walked around the tents trying to find the other dogs. But, to his surprise, they had disappeared.

    He walked around Perrault's tent, very, very cold, wondering what to do. Suddenly, the snow under his feet fell in, and he felt something move. He jumped back, waiting for the attack, but heard only a friendly bark. There, in a warm hole under the snow, was Billee.

    So that was what you had to do. Buck chose a place, dug himself a hole and in a minute he was warm and asleep. He slept well, although his dreams were bad.

    Explorers had been landing in America for some time before English settlers arrived in what is now Jamestown, Virginia, in 1607. But it was in that spot on the James River that English colonization(殖民化) began, and with it, the history of America.

    James I was the king of England at that time, and he had granted approval for a group of businessmen who were part of the Virginia Company to settle in this new land. In all, 214 people set sail for America. They reached it on May 14, 1607. Very soon after they landed, the English found themselves under attack from Algonquins, a native American tribe(部落) who had been living in that area for some time. The English managed to drive off the attackers and stay there.

Under the leadership of Captain John Smith, the English built a fort(城堡)and other buildings designed to protect their new colony. They also found friendly native Americans, like Powhatan, who was willing to trade with them.

    There was a terrible winter in 1609 and only 60 of the 214 settlers survived, which was also hard on Powhatan's tribe and other neighboring native Americans.

    One of the main crops grown by the English settlers was tobacco, which they sold to native Americans and to people back in England, beginning in 1612. Tobacco became a very popular crop because it was easy to grow and because it brought in so much money.

    Once the money started flowing in regularly, the Jamestown colony grew, as did other settlements in Virginia and in other states along the eastern coastline.

    America's first elected assembly (议会), the House of Burgesses, met in Jamestown for the first time on July 30, 1619. The year 1619 also saw another significant development: the first arrival of black workers on boats from Africa. These men and women were originally servants, who worked a small piece of land for a few years and then got to keep the land as owners. Jamestown was also the capital of Virginia and remained so until 1698.

    Samuel Osmond is a 19­year­old boy student from Cornwall, England. He never studied the piano. However, he can play very difficult musical pieces by musicians such as Chopin and Beethoven just a few minutes after he hears them. He learns a piece of music by listening to it in parts. Then he thinks about the notes in his head. Two years ago, he played his first piece Moonlight Sonata (奏鸣曲) by Beethoven. He surprised everyone around him.

    Amazed that he remembered this long and difficult piece of music and played it perfectly, his teachers say Samuel is unbelievable. They say his ability is very rare, but Samuel doesn't even realize that what he can do is special. Samuel wanted to become a lawyer as it was the wish of his parents, but music teachers told him he should study music instead. Now, he studied law and music.

    Samuel can't understand why everyone is so surprised. "I grew up with music. My mother played the piano and my father played the guitar. About two years ago, I suddenly decided to start playing the piano, without being able to read music and without having any lessons. It comes easily to me—I hear the notes and can bear them in mind—each and every note." says Samuel.

    Recently, Samuel performed a piece during a special event at his college. The piece had more than a thousand notes. The audience was impressed by his amazing performance. He is now learning a piece that is so difficult that many professional pianists can't play it. Samuel says confidently, "It's all about super memory—I guess I have that gift."

    However, Samuel's ability to remember things doesn't stop with music. His family says that even when he was a young boy, Samuel heard someone read a story, and then he could retell the story word for word.

    Samuel is still only a teenager. He doesn't know what he wants to do in the future. For now, he is just happy to play beautiful music and continue his studies.