According to a new American study, having dinner with children may help to reduce (减少) the number of problems that develop in parent—child communication. The1was done among about 5, 000 middle school students in Chicago public schools.

    The students were studied at the beginning and the end of the sixth grade and again at the end of the seventh and the eighth grade. They were asked2they ate dinner with their parents. They were 3 asked how often their parents had a conversation(谈话)with them that lasted more than 104, praised(表扬) them when they did well, asked them where they were going and asked how they were doing in school. The study5the more parent—child communication, the6problems between them.

    Family meals are a good opportunity to7in touch with children, said Jayne Fulkerson, a member of the study team. "You can get to know8going on in their life better."

    However, Fulkerson also suggested that parents9suitable(合适的) topics(话题). Topics10grades and homework are not good choice.

    How would you use a radio or a telephone if you had no electricity or batteries? These1bothered (使烦恼) British inventor Trevor Baylis. So in 1996 he2a wind-up (装有发条的) radio. It doesn't need electricity or batteries. You wind it up3hand. It plays for about an hour. Then, you wind it up4.

    Baylis also invented a mobile phone that is powered by5. The shoes contain (含有) a small battery that is powered when you6. This battery is connected to a mobile phone. These two simple inventions can bring modern7to all parts of the world.

    Baylis didn't have a university degree in engineering. In8, he left high school before graduating (毕业). He just loved9things to help people. He never knew10ideas would come to him. The idea for the phone came to him in a dream.

    Why do we play sports? You might say "to get exercise" and you'd be right. To have fun? That's true, too. But there's more. In fact, there are at least five more reasons. According to the report, people who play sports get 1 more than just healthy.

    People who play sports do better in school. You might think that playing sports will 2 all your study time. But a research shows that students who play sports do better in school than 3 who don't. Exercise improves learning and memory, which can help students become more active in class.

    It's 4 that people who play sports learn teamwork and goal setting skills. Sports teach valuable life skills. When you work with coaches, trainers, and teammates to win games and achieve goals, you're learning 5 to be successful. Those skills will serve you well at work and in family life.

    Sports are good for people's health. Besides being healthy and keeping a healthy weight, people who play sports are also less possible to smoke. And 6 in life, people who exercise have fewer chances to have cancer (癌症)or some other illnesses.

    Playing sports improves confidence. People who play sports feel better about themselves. Why? It builds confidence when you know you can practice, improve, and 7 your goals. Sports are also a feel-good activity 8 they help people get in shape, keep a healthy weight, and make new friends.

    Exercise cuts the pressure. Playing sports can make you have less 9 and help you feel a little happier. A person's mood (心情)improves during exercise. Friends can also help improve your mood. And being on a team creates close relationship 10 friends. It's good to know your teammates will support you - both on and off the field!