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  • 更新 2022-09-03
  • 科目 英语
  • 题型 阅读理解
  • 难度 中等
  • 浏览 1920

Water is very important to living things. Without water there can 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 part of the world, there is some water in the air. You can not see or feel it when it is a part of the air. The water in the seas, rivers and lakes is a liquid, the water in the air is a gas, and we call it water vapour (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 very small crystals of ice. Ice is frozen water. It is a solid. There can be snow and ice everywhere in winter.
Water may be a solid or 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 not see or feel it.
Where can we find water?

A.Water can be found almost everywhere
B.We can find water when it turns into vapour.
C.Water is only in seas and rivers.
D.We can see water in deserts here and there.

We can drink water when it is     .

A.a solid B.in the air C.aliquid D.turned into ice

Clouds are made of     .

A.seas, rivers and lakes B.solid, liquid and gas
C.very small drops of water or snow crystals D.blocks of ice

Water has three states(状态). They are        .

A.solid, liquid and gas
B.solid, vapour, snow
C.drops of water, blocks of ice and crystals of water
D.ice,snow and air
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