As we know, all living things have to eat food. For a man, a tiger, a fish, a bird, or even a worm, food is necessary. Generally speaking, all living things are sure to die without food. In every part of the world, many different kinds of animals share living places and live in communities (群落) together. They are connected in a food chain (链).

 Within a food chain, some living things are producers and some are consumers (消费者). Plants are producers because they use sunlight, soil and other things to make their own food. Animals are consumers because they have to eat other animals or plants.

There are four different kinds of consumers in the animal kingdom. A carnivore is an animal that only eats other animals. An herbivore is an animal that only eats plants. An omnivore is an animal that eats both plants and animals. A scavenger is an animal that eats dead animals.

 Look at the picture. It is an example of a food chain. The food chain shows the order that animals eat each other in a community. In the picture, you can see what animal or plant is food for another animal. See? A leaf is food for a grasshopper, which then becomes food for a hungry mouse. The mouse is food for a snake. The snake is eaten by an eagle. In this way, all of these animals are connected.

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根据下面短文内容，在文章后第1~10小题的空格里填入最恰当的单词，并将答案填写在答题纸标号为1~10的相应位置上。注意：每空一词。

    Christopher Columbus was born in Genoa， Italy. He was the oldest of five children in a worker's family. He enjoyed going to the sea when he was a young boy.

    He heard that there was a lot of gold and other valuable things in East India. He wanted to find a short way to get to the Indies by ship. On August 3， 1492， he sailed toward the west from Palos， Spain with three ships. After many days， the sailors had covered a long distance on the sea and were ready to turn around for home when they saw land， an island Columbus named San Salvador. He thought he had found the Indies and called the people he saw there “Indians”. When they got to Cuba， he thought he was in Japan. The world was a lot larger than he thought.

    In his life， he made four trips across the ocean. His 13-year-old son， Ferdinand， went with him during the last time. He returned to Spain in 1504. Columbus did not become rich as he had hoped. At the end of his life he only had a pension(退休金) the king and the queen had given him because he was the first to reach the New World. He died in 1506， still believing that he had found a new route to East India and that he had reached Asia.

    Columbus didn't get to school very much， but he learned to read and write Spanish during his travels. He also taught himself Latin because all the geography books were written in Latin. He is remembered by all not only for the New World he discovered， but also for the way he led for other explorers.

    Hello, boys and girls. My name is Kangkang. I'm from Tianjin. {#blank#}1{#/blank#}  My mother works in No.10 Middle School, too. She teaches Chinese. My father is a doctor in a hospital.

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    On Sunday my mother and I often do some shopping. {#blank#}3{#/blank#}  We will go shopping this Sunday afternoon. My mother says she will buy me a red coat.{#blank#}4{#/blank#}  I want a yellow one. My mother says yes to me. I am happy.

    My father doesn't like shopping at all. He likes animals best. He often takes me to the zoo. {#blank#}5{#/blank#} I think pandas are very cute. This Sunday morning my father will go to the zoo with me.

    A large numbers of emojis (表情符号) are sent online every day. Emojis are pictures used in texts and web pages. Since emojis were invented in the late 1990s, they have been used as a modern international languages.

    We like emojis for different reasons. A written message is always black and white, but emojis show meanings beautifully. Sometimes emojis also change the way we write. The more emojis we use, the fewer words we use.

    There are many emojis with different meanings. They are easy to understand. For example, a smiling face means "I'm happy". A cake with candles means "Happy birthday". When we want to say "Goodbye", we use a smiling face with a waving hand. When we are in a terrible situation but we have to laugh to cheer ourselves up, we can use a "cry laugh" emoji.

    Now emojis have great influence on us. Sometimes, emojis can be helpful to people from different countries in understanding each other. And when we are feeling exchange. Then the invention of emojis helps change the situation. For example, when we receive a smiling face from our friends online, we try to exchange our feelings by sending the same picture.

    It seems that emojis change as time goes by. However, we should be careful when we use them online.