Water is very important for living things. Without water, there can be no life on Earth. All the animals and plants need water. Man also needs water. Water is found almost everywhere. Even in the driest part of the world there is some water in the air. As we all have found out, water may be solid, liquid or gas. When it is solid, it may be as hard as brick. When it is liquid, you can pour it out of a container. When it is gas, you cannot see or feel it. Although about 70 percent of the Earth's surface is covered with water, there are many places in the world still running out of water. So we should make good use of water on Earth.

Seasons

    In spring, the weather is warm and windy. I can fly kites when it's windy. And I can go hiking with my family when it's sunny and warm. I like hiking.

    Summer is hot in the north of China. I often go swimming. It can make me healthy and strong. I can also wear my beautiful dresses.

    Fall is a season with harvest(收获). And I can eat delicious fruits in this season. I can watch the leaves(叶子) fall.

    Winter comes. It's often snowy in winter in my hometown.

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    Lily is doing her maths homework. She has a problem and can't do it. But she has a good idea. She runs to a shop with a piece of paper.

    "Can I help you?" the shop assistant (营业员) asks her.

    "Yes, I'd like 3 kilos of apples, 1 kilo of orange and 2 kilos of bananas." she says.

    "It's 6 kilos. It's too heavy. Can you carry it?"

    Lily writes down the answer quickly and says. "Thank you. "Then she runs back home, and her problem is solved(解决).

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    Water is very important to living things. Without water there could be no life on the earth. All animals and plants need water. Man also needs water. We need water to drink, to cook our food and to clean ourselves.

    Water is needed in offices, factories and schools. Water.is needed everywhere. There is water in seas, rivers and lakes.

    Water is found almost everywhere. Even in the desert of the world, there is some water in air. You can't see or feel it when it is part of air. The water in the seas, rivers and lakes is a liquid(液体). The water in air is a gas, and we call it water vapour (水蒸气).

    Clouds are made of water. They may be made of very small drops of water. They may also be made of snow crystals(结晶体). Snow crystals are very small crystals of ice. Ice is frozen water. It is a solid (固体). There can be snow and ice everywhere in winter.

    Water may be a solid, a liquid or a gas. When it is a solid, it may be as hard as a stone. When it is a liquid, you can drink it. When it is a gas, you can't see or feel it.

    London is the oldest city in Britain. It's the biggest city in Europe, but New York is big, too. It's as big as London. The streets in London are crowed(拥挤)and there is one of the world's biggest underground. The streets in New York are just as crowded as in London. There are a lot of stores in London, but New York has more supermarkets than London. London has more parks than New York, but New York's Central Park is much bigger than the biggest park in London.