After giving a talk at a high school,I was asked to pay a visit to a special student.An illness had kept the boy home,but he had expressed an interest in meeting me.I was told it would mean a great deal to him,so I agreed.

    During the nine-mile drive to his home,I found out something about Matthew.He had muscular dystrophy（肌肉萎缩症）.When he was born,the doctor told his parents that he would not live to five,and then they were told he would not make it to ten.Now he was thirteen.He wanted to meet me because I was a Gold-medal power lifter,and I knew about overcoming obstacles and going for my dreams.

    I spent over an hour talking to Matthew.Never once did he complain or ask,"Why me?"He spoke about winning and succeeding and going for his dreams.Obviously,he knew what he was talking about.He didn't mention that his classmates had made fun of him because he was different.He just talked about his hopes for the future,and how one day he wanted to lift weights with me.When we had finished talking,I went to my briefcase（公文包）and pulled out the first gold medal I had won and put it around his neck.I told him he was more of a winner and knew more about success and overcoming obstacles than I ever would.He looked at it for a moment,then took it off and handed it back to me.He said,"You are a champion.You earned that medal.Someday when I get to the Olympics and win my own medal,I will show it to you."

    Last summer I received a letter from Matthew's parents telling me that Matthew had passed away.They wanted me to have a letter he had written to me a few days before:

Dear Dick,

    My mum said I should send you a thank-you letter for the picture you sent me.I also want to let you know that the doctors tell me that I don't have long to live any more,but I still smile as much as I can.I told you someday that I would go to the Olympics and win a gold medal,but I know now I will never get to do that.However,I know I'm a champion,and God knows that too.When I get to Heaven,God will give me my medal and when you get there,I will show it to you.Thank you for loving me.

Your friend,

Matthew

    Scientists have found that human eyes are more likely to be damaged by UV rays (紫外线) while skiing in the snow-covered areas than sitting on the beach, according to a report by the UK newspaper The Telegraph.

    The researchers at Kanazawa Medical University, Japan and American company Johnson conducted the study together. They looked at the effects of light reflection on newly fallen snow on a ski trail (a rough path) in Ishikawa District, northern Japan. They compared the results with the levels of UV rays on a sand beach in southern Japan's Okinawa District They found that on the beach, eyes are exposed to a daily 260 kilojoules (千焦耳) of UV a square meter compared to 658 kilojoules in snow-covered areas. The findings are supported by the Japan Meteorological Agency. According to the agency, the reflection rate of UV light on beaches is often between 10 and 25 percent, compared to 80 percent in lie new snow areas. The amount of light increased 4 percent with a 300-meter rise in height.

    Most of us know that UV rays can harm the skin. That's why we wear sunscreen on our skin before we get out in the suit. But many of us may not realize that UV rays are also harmful to the eyes.

    If your eyes are exposed to large amounts of UV radiation over a short period of time. You may experience a kind of sunburn of the eye, which is harmful. Your eyes will become red and feel a strange feeling. They may be sensitive to light. Fortunately, this is usually temporary and seldom causes permanent damage to the eyes.

    Long-term exposure to UV radiation, however, can be more serious. Scientific studies and researches have shown that exposure to small amounts of UV radiation over a period of many years increases chance of eye damage, which could lead to total blindness.

    My senior years, I can't believe it is almost over. Now when I look back, it was stressful, but exciting, the ball, graduation, and then of course, college.

    I started applying for my college months before Christmas. My parents told me it would be smart if I set up interviews and tours. But I wasn't motivated. I wanted to go to college, but I didn't want to deal with the stress.

    As the days flew by, my applications lay on my desk just as I had left them three months before. “You are wasting valuable time,” my parents complained. Sweeping away the gathered dust on the applications, I worked on them every Sunday until I finished. Next came writing the essays. I had many ideas, but every school had different requirements. I changed them until I was pleased. Finally, everything was underway.

    Now I just had to wait. In March, I started receiving letters of rejection. I began to think that I had set myself up for disappointment. I had a letter from Salem State College starting that they wanted to see my grades before they made their decision. Yes! At least someone wanted to consider me. At the beginning of April, I received a letter from Keens State. Those opening words: “We regret to inform you…” made me sit down and cry. I had lost all hope. Then I heard from Plymouth State. Not my first choice, but…I had been accepted. Maybe if I get my grades up, I can choose another school…

    The college application hurt me deeply. All my friends had dozens of schools to choose from. I guess my parents were right. High school grades are undoubtedly important to your future plans. If I could do it all over again, I would take it more seriously.

    Eve was waiting in the corridor outside her class. She was feeling sick. She had two exams that day and physics was first. She really hated physics. It was her worst subject. Lisa looked back at her, and then looked away quickly. Eve thought she looked guilty. She didn't have a problem with physics. She didn't have a problem with anything... Miss Perfect!

    "Hi, Eve! So what's wrong with you and Lisa?" asked Tina, "I thought you were friends." "Yes, so did I," said Eve. "But she hasn't spoken to me for two weeks now. She promised to help me review for the physics exam too, but then she's ignored all my calls and texts."

    While in the exam, Eve found Lisa was holding her phone on her knee under the table and reading from it. Eve couldn't believe it! Is that how Lisa always got such good grades? She thought about telling the teacher, but she hesitated. The next exam was history. That was Eve's favorite subject but she couldn't concentrate. She didn't know what to do about Lisa. Just then, Mr. Reed, their teacher, walked past. "Mr. Reed…"

    Lisa was called to the teachers' office and there waited Mr. Reed…

    The history test was over. Eve was walking towards the school gate when she heard footsteps behind her. It was Lisa. Eve could see that she had been crying. "Listen," said Lisa. "I'm really sorry I haven't answered your calls, but my dad had a heart attack two weeks ago and he's in hospital. He had a big heart operation today and I was very worried about him. So I was reading texts from my mum, but Mr. Reed caught me. He thought I was cheating. He believes me now, but I have to take the exam again. I'm sorry I didn't tell you what was happening. Will you forgive me?"

    Have you grasped the information taught by your teacher in class? Have you understood what you saw on the screen? Maybe everyone has their own learning style.

    Generally speaking, we gather information with our minds and bodies in different ways, such as seeing, hearing and doing. Then our brains deals with that information, organizing it and connecting it to things we are already aware .In other words, our brains will deal with the information in different ways. Sometimes we think in pictures or words. Sometimes we remember details or the big pictures.

    For different people, their learning styles are different too. One person may find it hard to make out the information in written forms but easy to know it immediately in an oral description. However, another person might find difficulties with the picture but the written message.

    Now scientists say there exist seven basic learning styles.

    Linguistic: These people learn through listening, reading, speaking and writing.

    Logical: These people learn with formula (公式) and principles (原理).

    Visual: These people learn by seeing what they are studying.

    Musical: These people learn well when information is presented through music.

    Kinesthetic: These people learn from movement and physical activities.

    Intrapersonal: These people learn best by linking new information directly with their own experiences.

    Interpersonal: These people learn well by working with others.

    Therefore, if you know what learning style is your strength, you can balance your weakness, and get a more successful learning experience.

    Solar energy systems/power plants do not produce air pollution, water pollution, or greenhouse gases. Using solar energy can have a positive, indirect effect on the environment, when solar energy replaces or reduces the use of other energy sources that have larger effects on the environment.

    However, some poisonous materials and chemicals are used to make the photovoltaic (光电池的) cells that convert sunlight into electricity. Some solar thermal (保热的) systems use potentially hazardous liquids to transfer heat. Leaks of these materials could be harmful to the environment. U. S. environmental laws regulate the use and settlement of these types of materials.

    As with any type of power plant, large solar power plants can affect the environment near their locations. The placement of the power plant may have long-term effects on the habitats of native plants and animals. Some solar power plant-s may require water for cleaning solar collectors and concentrators or for cooling turbine generators. Using large volumes of ground water or surface water in some dry locations may affect the ecosystems that depend on these water resources. In addition, the beam of concentrated sunlight a solar power tower creates can kill birds and insects that fly into the beam.

    The amount of solar energy that the earth receives each day is many times greater than the total amount of all energy that people consume each day. However, on the surface of the earth, solar energy is a variable and irregular energy source. The amount of sunlight and the intensity of sunlight varies by time of day and location. Weather and climate conditions affect the availability of sunlight daily and on a seasonal basis. The type and size of a solar energy collection and conversion system determines how much of the available solar energy we can convert into useful energy.