What has two wheels(轮子), runs on human energy and is red, pink, blue or any other color? A bicycle.

    ①In the US, the number of people who bike (骑自行车）in and around the city has increased. More people bike to work, to the store or to go to the movies. There are more bike lanes(车道)，bike signs, bike shops and there is even a popular bike idea, Capital Bikeshare, which allows people to rent(租用) bikes to get from place to place.

    • Kids also like biking to school.

    ②"In winter we walk, and in the rest of the seasons we ride our bikes, " Olivia Steckler, 8, said. She studies in a public school in Northeast Washington.

"It makes me feel happy," she said about biking. It takes her about 15 minutes to ride from home to school.

    Olivia is one of many kids in Washington, especially in the Capitol Hill area, who bike to school with an adult.

    Malia Weedon, 8, a third grader at Maury Elementary School, likes to bike because it's faster than walking. It takes her about five minutes to get to school on her bike. She's been biking to school for several years now and likes to race her little brother, William,

    Jennifer Hefferan, whose job is to make sure kids in Washington get to school safely, said that more people are calling her to ask about bike safety for kids. She also said that schools ask for more bike racks (自行车停放架）almost every day.

    'USA? Britain? Which country is better to study in?' We often hear such discussions. As China opens its door, it is a dream for many Chinese students to study abroad. They want to learn about the outside world.

    It's true that studying abroad can help students develop themselves. Their foreign language skills will be improved and it may be easier to find jobs.

    But there are problems that should be considered. Language is the first. Students must spend a lot of time learning another language.    

    Students must also learn to live without parents' care and deal with all kinds of things they haven't had to do before, like looking after themselves. There are reports about Chinese students abroad running into an ocean of difficulties and giving up finally. When they have to take care of themselves, it is hard for students to study well.

    Finally, studying abroad brings a heavy burden (负担) to the family. For most Chinese parents, the cost of studying abroad is very high. But is it worth it?

    We know that there are many famous people who have achieved success through their hard work in China. Liu Xiang is a good example. Once an American teacher invited him there, but he refused. He kept training hard with his Chinese teacher. He surprised the world when he won a gold medal at the Athens Olympic Games. So when you wonder which country is better to study in, think again.

    The aim of students who come to school is to study. But t0 study requires a right way, or you waste either the time or the money. The following are the ways of studying.

    The best time for reading is morning, because in the morning, the air is fresh and the mind is clear. For that reason, we can get good result.

    In studying we must have patience. If we have not known a text well, we must read it again. We should not read the next one until we have learned the first one.

    When we are studying, we must put our hearts into the book, or we can get nothing from the book while we are reading.

    We must always ask "whys". If it is not well understood, write it down and ask our teachers or our parents, or friends. In any possible way, we must know it completely and what we've learned can be used well and made better.

    Though there are many ways for studying, yet the above mentioned will be quite enough if we can keep them in heart and do so.