Reducing the amount of sleep affects students' performance at school. An American study asked schoolteachers to look at the effects of sleep restriction（限制） on children between six and twelve years of age. The teachers found that children who stayed up late had trouble thinking clearly and had more learning problems.

    {#blank#}1{#/blank#} Doctor Fallone now works at the Forest Institute of Professional Psychology in Springfield, Missouri. He presented the results last month at a science reporter conference in Washington, D. C. The Publication Sleep also reported the findings.

    The teachers were asked to complete weekly performance reports on seventy-four schoolchildren. The study lasted three weeks. During that period, Doctor Fallone and his team controlled the amount of sleep the children received.

    {#blank#}2{#/blank#} During another week, every child was kept awake later than normal. Each night, the youngest boys and girls had less than eight hours of sleep. The older ones were limited to six and a half hours. During the final week of the study, each child received no less than ten hours of sleep a night.

    The teachers were not told about how much sleep the students received. The study found that students who received eight hours or less had the most difficulty remembering old information. {#blank#}3{#/blank#}

    The study did not find that sleep restriction caused hyperactivity(极度活跃) in the children. {#blank#}4{#/blank#}

    Doctor Fall one said that the results provided experts and parents with a clear message: {#blank#}5{#/blank#}

    More and more comment(评论) sections are being shut down online.

    Autumn Phillips had had enough. On August 19, the executive editor of the Quad-City Times in Iowa, and Illinois, US visited her website, qutimes. com, and saw a story about a man who had been shot to death. When she got to the readers' comments section at the end, she was shocked by what she saw. Below the story was a growing string of comments—a racist remark about democratic( 民主的) voters, a negative comment about police...So Phillips decided to do something she had been thinking about for a long time: she shut down the comment section.

    Phillips was not alone in making such a move. Last week, NPR announced it too was closing its online comments section. The decisions don't mean that the news outlets are no longer interested in what their audiences are thinking. Both stressed their eagerness to hear from readers and listeners on social networks. But both agreed that comments had deviated from their original intention. And so they had.

    In the early days of digital journalism, comments were seen as a key part of the new media, a wonderful opportunity for strengthening the dialogue between news producers and their audiences. It was a welcome change, given that for long many news organizations were far too separated from their readers. Much more back and forth conversation seemed like healthy and welcome evolutions. Sadly, that's not the way things turned out. Rather than a place for exchanging ideas, comments sections became the home of ugly name-calling, racism and anti-women language. Besides their poisonous quality, comments seem out of place today.

    “Since we made the announcement, I've received an outpouring of responses from our readers,”she says. “I've heard from parents whose children were hurt by our online comments. I've heard from people who said they wouldn't send in letters to the editor because they were attacked so fiercely by comments, and it wasn't worth it.”

    Do you worry about entering senior high school? Everything, from study to environment, has changed. Can you adapt yourself to it?

    You're not alone. Remember that everybody else in your year is in the same boat. You may not notice it, but they're just as nervous as you are.

    Moving to senior high school is a chance, not a problem. Things are different, and all you need to do is to be polite and learn the new rules.

    The teachers will help. If you don't know what to do or are worried about something, then ask for help. Teachers are probably the best people to turn to, because they have experience in helping new students. Pay attention to what your teachers say.

    Everything changes. There are lots of differences between junior high school and senior high school. You will have your lessons with different teachers in different rooms. You will have homework for different subjects on different days, so make sure you get organized. Make sure you know which rooms your classes are in and which days you have your different subjects on.

Other points:

    If you've got an older brother or sister at the school, then ask them for advice.

    Be yourself! It sounds simple, but things will become better if you just act naturally.

    Having early nights makes a difference. You'll also find it easier to get up in the morning!

    After spending a long day driving the day before, Steinkamp left his hotel around 5:30 a.m. to a funeral in Green Bay, Wisconsin. About half an hour into his journey, he noticed a small strange sound coming from his front tire. By 7 a.m., he still had 70 miles ahead of him, but the noise was so loud that he knew he had no choice but to stop.

    Steinkamp figured there was little possibility that anyone in Wild Rose, Wisconsin-a tiny town with a population of 725-could help so early in the morning. Still, he look his chance at an auto repair shop. Luckily, Steinkamp spotted Glenn Geib stocking the shelves, and he asked for help.Giving Steinkamp a quick look, Geib asked why he was so dressed up, and Steinkamp explained his dilemma.

    The mechanic checked the car and told Steinkamp what he'd feared: the wheel bearing（轴承）was failing. Fixing it would take a few hours, but there was no chance the car would make it that distance without repairs.

    "I must have looked pretty stressed out at this time because Glenn then reached into his pocket, pulled out the keys to HIS vehicle and said 'Take my truck and get going,'" Steinkamp wrote in a Facebook post.

    The men had met just 10 minutes before and didn't know each other's names, but Geib insisted. Steinkamp made it to the funeral. When he came back to the garage seven hours later with a thankful heart, he stuck around to chat with Geib.

    "The 74-year-old mechanic turned a terrible day into a good one with a great lesson." Steimkamp wrote, "Just be kind and help if you can."

    Johnny Smith was a good math student at a high school. He loved his computer. He came home early every day, then he worked with it till midnight. But Johnny was not a good English student, not good at all. He got an F in his English class.

    One day after school Johnny joined his computer to the computer in his high school office. The school office computer had the grades of all the students: the math grades, the science grades, the grades in arts and music, and the grades in English. He found his English grade. An F! Johnny changed his English grade from an F to A. Johnny' parents looked at his report card. They were very happy.   "An A in English!" said Johnny's Dad. "You're a very clever boy, Johnny." Johnny is a hacker.

    Hackers know how to take information from other computers and put new information in. Using a modem, they join their computers to other computers secretly. School headmasters and teachers are worried about hackers. So are the police, for some people even take money from bank computer account and put it into their own ones. And they never have to leave home to do it! They are called hackers.

Queen Rider

    Bonnie Wyndham got out of her mother's car and looked at Almonside School. "I'll make you sorry I've come here," she told her, pleasantly. Her mother was getting out of the other door at the time so she didn't hear, but Bonnie wouldn't have cared if she had. Her mother knew her feelings. Mrs. Wyndham looked about her. Almonside was a funny school, all bits and pieces, buildings hidden away amongst the trees on a wooded hillside; very confusing at first sight. Then she saw the signs on a post: science block, gymnasium, riding centre ...

    "Riding centre," said Bonnie, showing a sudden interest. "Headmaster's study," said her mother. "This way."

    Bonnie followed her mother along a broad drive that curved between trees.

    "I wish you'd walk beside me instead of following me like a dog," said Mrs. Wyndham wearily, but she didn't seem to expect Bonnie to do so.

    A few minutes later, her mother was talking to Bonnie's new headmaster in his study, while Bonnie herself sat and waited outside the door. Suddenly, Bonnie jumped up. "Why should I just it here?" she said to herself. "I'll be thrown out before very long, anyway," she said mentally to the door, "so why not get it over and done with?" She left the building and headed for the riding centre in the direction indicated by the sign.

    There was a nice old building where the horses were kept, and a large structure for indoor riding. Bonnie looked about her, but there was no one in sight. There was a certain reverence about her manner as she approached the animals. Bonnie treated horses with respect. The horses were very well looked after, she could tell that at once.

    Almost every stall was occupied, and she wandered along looking carefully at each horse and judging it. "They know what they're doing here," she told a small pony as she ran a finger along its nose. It was the next horse that pulled her up short. "But aren't you the best of the lot!" she said. He was brown with a touch of white. Lively, probably, but Bonnie liked that. "You know, I have the feeling we've met before," said Bonnie, stroking his neck.

    "It was in my dreams and I was riding you to victory in some big competition." Over the stall was his name: Maverick.

Suddenly, she couldn't resist the temptation to ride the horse. "I wonder where I can find a bridle for your head, and a saddle for your back. Can't be far away." The room containing all the riding equipment was — Bonnie was delighted to discover — unlocked. Absorbed in the pleasurable task of putting a saddle on Maverick's back, she forgot all about her mother and the headmaster. When she sat up high on the big horse outside the building, she felt like a queen, mistress of all she could see. Her nickname at her previous school had been Queen Bee, and she laughed delightedly as she remembered it. You're the best horse I've ever sat on, Maverick, ' she said admiringly, "and when I say that I'm not kidding, I can assure you, because I know about horses, even if I don t know about anything else."

    She nudged him into a walk, then into a trot. "If I stay here, I think you and I could be great friends," she confided. She went round and round the paddock. The rhythm was exhilarating, a little breeze whipping smartly past her cheek and making it glow. She could tell Maverick trusted her, and she felt certain that he'd jump well.