Can dolphins talk ? They can't talk with words, but they talk with sounds. They show their feelings with sounds.

 Dolphinp travel in a group. We call a group of fish a“school". They don't study, but they travel together Dolphins are mammals, not fish, but they swim together in a school.

 Dolphins talk to the other dolphins in the school. They give information. They tell when they are happy or sad or afraid .They say "Welcome” when a dolphin comes back to the school. They talk when they play.

 They make a few sounds above water They make many more sounds under water. People cannot hear these sounds because the sounds are very, very high. Scientists make tapes of the sounds and study them.

 Sometimes people catch dolphins for a large aquarium. People can watch the dolplains in a show Dolphins don't like to be away from their school in an aquarium. They are sad.

 There are many stories about dolphins. They help people. Sometimes they save somebody's life. Dolphin meat is good, but people don't like to kill them. They say that dolphins bring good luck. Many people believe this.

    “Thank you” is one of the first few phrases(短语） that our English teacher taught us when we began to learn English. Each time we receive help from others, we say “Thank you”. We may say it many times a day. It seems that “Thank you” is very popular among us Chinese students. But is it as popular in the UK?

    The answer is “no”. According to a recent survey （最近的报告）in the Daily Telegraph newspaper, “Thank you” is only the 20^th most popular way of expressing gratitude（感激） in the UK.

    The survey shows that British people like “Cheers” most to express their thanks. For example, when friends invite each other for a drink after a game, a smile and a “Cheers” may be the best way to say “thanks”.

    You may often hear the word spoken between two good friends. “Great”, “nice one” and “all right” are also popular informal（不正式的） ways of showing gratitude among friends in the UK.

    Of course, there are some formal ways to say “thanks” among British people. For example, when a stranger is especially helpful, they may say “brilliant” or “much appreciated” to express their gratitude.

    By the way, how do British people usually answer “thank you”? They like to say： “ You're welcome.”, “No problem” or “Sure”.

    Since you have many more ways to show your thanks, next time you want to say “thank you”, why not try one of these new British phrases?

    Harbin Opera House (哈尔滨大剧院) lies on Harbin Cultural Island, near the Songhua River. It took people about six years to complete the whole project and it opened in 2015. Its building style belongs to a future time. With the size of 7,900m², it is considered as the performing arts centre in Harbin, Heilongjiang Province. Its special surface allows more light to enter. Its two theaters, the large theatre and the small one, can hold about 2,000 people. The project is a complete success. Harbin Opera House has enjoyed many prizes and great fame from home and abroad since people began to plan it. People say it's one of the most beautiful buildings in China and it is the world's best concert halls. There is no doubt that it has become the new symbol of Harbin.

    We did a survey (调查) about students' free time activities yesterday. One of our questions was about exercise and of course, it is the most important one. From the survey, we knew only 25% of the girls often have activities outside. Many girls do little exercise. They don't like P.E. classes and even don't play sports. These girls may face a lot of problems. They may get fatter and weaker, And they may get some kinds of illnesses(疾病) easily. Wang Jing, a 16-year-old girl, said, "I don't like doing exercise. I like watching TV on the sofa. I spend at least three hours watching TV a day. My sleeping time is no more than seven hours a day. I often feel tired

    Some girls said, "We don't have enough time to do exercise. We must help our parents with housework because they are very tired after a day's work. We do some washing, clean the house and finish the homework. We don't have time for doing anything else."

    Everyone may have these excuses(借口) for not doing exercise. However, we must know that if we don't do exercise, we will get sick easily. As students, we'd better exercise every day. That makes us live a healthy life.

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