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.

Is there anything worse than that? You bravely raise your hand to answer a question, but your teacher just point out that you're wrong. What a shame! What could the teacher make you suffer (忍受) this?

    Relax. {#blank#}1{#/blank#}. Your teacher isn't calling you out to humiliate (使丢脸) you, but rather out of concern for you and your education.

    Having all your classmates come to know your weak points can be pretty hard, so how can you get past the shame and recognize class participation as a learning opportunity?

    Get out of your comfort zone. Terrill Schumaker, a teacher, explains that “the more you speak out, the more you learn how to grow and build confidence. {#blank#}2{#/blank#}”

Realize it's not a big deal. {#blank#}3{#/blank#}. People aren't going to care all that much. “If I'm wrong or make a stupid point, then people laugh at me, but life moves on” says Grade 12 Kristen Wesenberg. Besides, everybody makes mistakes, and you can't be perfect all the time.

    {#blank#}4{#/blank#}. Of course it takes courage (勇气), but as Wesenberg says, ―What's the point of living in fear?‖ You won't learn anything if you are not brave enough.

    Use the experience as a learning tool. Wesenberg advises asking teachers why you're wrong so they can explain and you can learn.{#blank#}5{#/blank#}. If you're wrong now, at least you won't be wrong in your next test!

A. Be brave in class

B. Trust your teacher instead

C. Use class time as a mini—test

D. And it's not the end of the world

E. Then you can live an exciting life

    My name is Sam．Yesterday I got up at about 8：00 in the morning．After taking a shower,I went into the kitchen to cook breakfast．Then I heard a strange noise(声音)．I thought it came from behind the cooker(炉具)．I took away the cooker,but I couldn't see anything．I called my friend Mike for help．He said it could be a gas leak(煤气泄漏)．I was scared．I ran out of my house to call the police．But then I remembered mat there was no gas in my house．So I walked back．

    Before I opened the door,I remembered one thing my mum told me"a llama(美洲驼)ran out of the zoo last Wednesday．I put my key in the door,turned it and opened the door slowly．I heard the noise again!1 walked into the kitchen．I found the noise was from a big box next to the cooker．I opened the box slowly．I saw a llama in the box!It was snoring(打鼾)!I called the zoo．The workers in the zoo came soon．They were happy to see the llama again and they gave me￡50 to thank me for helping them find the cute animal．

根据材料内容简要回答下列问题。

    My name is Mary. I am a middle school student. I like traveling. And I dreamed of visiting Beijing many times before. Last month I went there with my parents. I was so excited that I couldn't go to sleep the night before we started. I got up early and packed my backpack for the trip the next morning. It took us 25 hours to get there by train .After the breakfast and a short rest, we began our visiting plan. We visited many places of interest in Beijing, such as the Great Wall, the Palace Museum and the Summer Palace. They are all very fascinating, especially the Great Wall. We really enjoyed ourselves that week.

    After visiting so many exciting places of interest, I felt tired but happy because I learned a lot about the history of the city. As soon as I arrived home, I talked about it on the Internet with my classmates and showed them some photos that I took. They were happy to see the photos and they said what a great trip I had had.

    Scientists are trying to turn deserts into usable land again. {#blank#}1{#/blank#}, so people can live and grow food. They are learning a lot about deserts. {#blank#}2{#/blank#}. Scientists may not be able to change these deserts. People are doing bad things to our planet.

    Some places don't get much rain. {#blank#}3{#/blank#}. This is because green plants are growing there. Small green plants and grass are very helpful for dry places. Plants don't let the hot sun make the soil too dry. {#blank#}4{#/blank#}. When a little bit of rain falls, the plants hold the water. {#blank#}5{#/blank#}, land can turn to desert much more easily.

    Most people like dumplings, What about you? If you also like them, come to our restaurant for lunch or dinner. We have many kinds of dumplings in our restaurant.

    Look at the menu(菜单)first. We have three great specials today. Special One is beef and carrot dumplings. They are 10 yuan for a small bowl and 15 yuan for a large bowl. Special Two is mutton and onion dumplings. They are only 12 yuan for each. Special 3 is cabbage and tofu dumplings. If you don't like meat, you can have this kind of dumplings. They're only 8 yuan for each. Orange juice is only 2 yuan. The dumpling soup is free all day. Welcome to our restaurant.