My name is Mary. I have a happy family. My grandpa is a farmer. My grandma is a housewife (家庭主妇). She can cook well. We all like her food. My father is a doctor. My mother is a teacher in my school. My baby brother is only three years old. He is lovely. I love my family.

Hello,I'm Wu Binbin.This is my family photo（照片）.The tall man is my father.He is a teacher.The beautiful woman is my mother.She is an actress（女演员）.Oh,yes!This little boy is me!We are a family,one and all!

Lingling: I like cake. Do you like cake, Daming?

Daming: No, I don't. But I like rice.

Lingling: Does your brother Dayong like rice, too?

Daming: No, he doesn't. He likes noodles.

Lingling: Does Amy like apples?

Daming: Yes, she does. But her sister Mary likes pears.

    Hello, boys and girls! My name's Liu Juan. I'm a girl. I'm ten. Look! I have two small eyes, a small nose and a big red mouth. My hair is brown and long.

    I like animals. They are very lovely. My favourite animal is dog. I like red best. And red apples are my favourite fruit. I have many friends. I like playing games with them. This is me! Do you like me? Can I be your friend?

    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.