Water can be a liquid, a solid or a gas. When it is a solid, it can be as hard as stone. When it is a liquid, it can run through your fingers. When it is a gas, you may not see or feel it.
Water can change from a solid to a liquid or to a gas easily. This is why we always have fresh water. Now let us find out how it does. The heat of the sun turns liquid water into gas from the oceans, seas, rivers and lakes. The heat also turns liquid water into gas from the ground, the plants and the animals. Water in the gas rises and turns into clouds in the air.
When the clouds e near a mountain, they rise high. As the clouds rise, they get cooler. The higher they rise, the cooler they bee. Then more and more water gas turn into water drops. In this way, the drops of water in the clouds get bigger and bigger. Then they fall to the earth as rain.
根据短文内容，选择正确答案
【小题1】What is the solid of water?A．RainB．GasC．StoneD．Ice【小题2】When the water is a , we may not see or feel it.A．liquidB．soildC．gasD．snow【小题3】The water in the oceans turns into clouds because A．the windB．the heat of the sunC．the mountainD．the earth【小题4】According to the passage, it rains most over the A．seasB．oceansC．mountainsD．farms【小题5】The higher you go up the mountain, you will feel.A．the coolerB．the hotterC．the heavierD．the biggerD
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(答案→)D
解析：这篇短文主要讲述了水的三种状态及其在自然界的循环过程。
【小题1】根据第一段When it is a solid, it can be as hard as stone. 描述，结合常识可知当水是固体时，它被叫做冰，故选D，冰。
【小题2】根据第一段When it is a gas, you may not see or feel it. 描述，可知选C。
【小题3】根据第二段The heat of the sun turns liquid water into gas from the oceans, seas, rivers and lakes. 描述，可知选B。
【小题4】根据短文最后一段描述，可知在山区降雨最多，故选C。
【小题5】根据最后一段The higher they rise, the cooler they bee. 描述，可知位置越高，气温越低，故选A。