The ostrich is the largest bird in the world. The ostrich is found in nature in Africa, but it is raised all over the world for its meat.

    The ostrich is a unique（独特的）looking animal. It has long skinny legs, a big body with small wings, a long neck, and a dangerous long beak（喙）.Even though it has wings, it can't fly. But they aren't completely useless either. They help a lot with balance when the ostrich is running at full speed and needs to change directions. The ostrich usually weighs between 200 and 300 pounds and can grow to 9 feet tall. Its large body is covered with feathers.

    The ostrich is famous for its speed on the ground. Its powerful legs allow it to reach speeds of 40 miles per hour! Ostriches can also use their strong legs to kick any enemy or even kill a human or a lion. However, in most cases the ostrich just use its speed to run away from any danger.

    Ostriches eat whatever they can find. This includes plants ,insects, and small animals like lizards. They often live in groups. A group will have around ten birds, but some groups even have 100 birds. This way the whole group can help to protect the eggs. Ostrich eggs are the biggest eggs of any animal at an average of 3 pounds.

    Ostriches don't actually put their head in the ground as many cartoons like to show. What they really do is to lie down and put their head and neck flat on the ground to hide. From a distance all you can see is their body, so it appears as if they have put their head in a hole in the ground. Ostriches can not only kick with powerful feet, they are also armed with 4 inch long claws（爪）on their feet.

    Great white sharks (鲨鱼) in the Pacific Ocean. Wildebeest (角马) in Africa. Arctic terns (北极燕鸥) in the Atlantic. At first, these animals seem quite different. One swims, one walks, and the other flies. But they all have one thing in common. They all migrate (迁徙).

    Some migrating animals move to a place with better temperatures. Some go to find food or water. The groups travel as one, but during the trip, they face many different challenges.

    One challenge is distance (距离). Some migrating animals take very long trips. For example, one great white shark swam from Australia to South Africa and back. In nine months, it swam about 20, 000 kilometers!

    Another challenge is finding enough food or water during the journey. For example, each Mali elephant needs over 200 liters (升) of water each day. To get this, they need to go from one waterhole to another.

    Besides, migrating animals have to keep away from other animals because they want to eat them. The zebra (斑马) has to avoid lions. Traveling as a group helps keep them safe. When one zebra is in trouble, the other members make a circle around it.

    By working as a group, migrating animals travel to live better lives.

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    Last year, Tom left school. He went to Beijing to look for(寻找) a job. He went from one company(公司) to another. But he didn't get one. He had only a little money. So he had to go back to his home. Then he came to the train station.

    When he got to the train station at night, there were many people buying tickets at the station He bought the last ticket. He felt happy.

    At that time, a young woman with a baby walked to him. She asked him to sell her the ticket. Tom gave her the ticket, because he thought they needed it more. After the train left, he didn't know where to go. Just then, an old man came to him and said, "Young man, I saw what you did to the woman. I have a big company. I need a good young man like you. Would you like to work for me?" Tom was so excited that he couldn't say a word.

    "A wise old owl sat on an oak. The more he saw, the less he spoke, the more he heard. Why aren't we like that old bird?" –Edward H.Richards.

    We all need to learn to listen well. Listening is a skill we should be practicing every day. And I mean active listening, not just listening when it is convenient to us.

    Listening shows others that they are important. It's a sign of respect (尊重). If someone listens to you carefully when you are talking, it shows that they are really interested in what you are saying.

    How do you practice listening? Here are some basic rules:

    {#blank#}1{#/blank#} Are you in the middle of writing something? Put down the pen and fold your hands. Are you reading something? Close it so that it will be impossible for you to look down and start reading again. Then put it down.

    {#blank#}2{#/blank#} The computer will take your attention from your job at hand—listening.

    {#blank#}3{#/blank#} Facing the person you are talking with will help you focus completely on listening. It will also make the person feel that you find what he is saying important.

    {#blank#}4{#/blank#} Standing closer to the speaker will show interest. Crossing your arms in front of your chest shows disagreement. Looking around the room shows you have no interest. Looking the speaker in the eyes tells him that he is important.

    {#blank#}5{#/blank#} Do not start sharing your ideas after hearing the first few words. Do not just think about your reply in your mind. Pay attention to the speaker. Really listen to what he is telling you.

    Some people like to get up early, but some do not. In fact,{#blank#}1{#/blank#} Scientists(科学家) find early rising (早起) people are healthier than late rising people.{#blank#}2{#/blank#}

    Firstly, it helps to keep us healthy, because we can get fresh air in the morning. And it is also useful to do morning exercises.

    Secondly,{#blank#}3{#/blank#} In the morning, we can learn more quickly and better.

    Thirdly, early rising can help us make a plan (计划) for our work.{#blank#}4{#/blank#}

    Fourthly, of course, early rising gives us enough time to get ready for our work.

    {#blank#}5{#/blank#} Everyone has to try hard to do so. As an old saying goes, "Early to bed and early to rise makes a man healthy, wealthy(富裕的) and wise(聪明).”