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noun and adj 开始学习
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noun We have liquid water in rivers 开始学习
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noun we have liquid water in rivers and oceans 开始学习
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noun and verb 3 开始学习
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noun we have frozen water in ice 开始学习
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noun we have frozen water in ice and glaciers 开始学习
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noun 开始学习
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noun we have water vapor in clouds 开始学习
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noun and verb we have water vapor in clouds and steam 开始学习
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noun and verb I was just bathing the baby 开始学习
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adj and adverb 开始学习
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noun About 70% of earth is covered with water 开始学习
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verb and noun About 70% of earth is covered with water 开始学习
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noun 开始学习
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noun 开始学习
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noun 开始学习
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开始学习
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noun 开始学习
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noun 开始学习
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noun It is 156 million square kilometers 开始学习
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noun All the water in the oceans and seas is salt water 开始学习
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noun The dead sea is the salties sea on earth 开始学习
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verb you can float in the dead sea 开始学习
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noun About 3% of water on earth is fresh water 开始学习
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noun most of this fresh water is frozen. It is ice. It is in glaciers or polar ice caps 开始学习
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noun Some of the fresh water is in lakes and rivers 开始学习
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noun Some of the fresh water is in the sky 开始学习
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noun It is in the clouds and rain 开始学习
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noun Some of the water is in the soil in rocks 开始学习
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noun 开始学习
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noun or under the ground in caves 开始学习
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noun or under the ground in caves 开始学习
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noun and verb the rest is salt water or ice 开始学习
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noun 开始学习
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verb When it rains, water falls from the sky 开始学习
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noun 开始学习
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noun 开始学习
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noun 开始学习
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noun When it is sunny, the ocean water gets warm 开始学习
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adj and verb When it is sunny, the ocean water gets warm. 开始学习
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noun Some water goes up into the sky. This is called evaporation. 开始学习
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noun 开始学习
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noun 开始学习
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adj we are lucky to have water in our homes 开始学习
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noun clean water goes through pipes to our homes 开始学习
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noun 开始学习
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noun and verb we use about 27 liters of water when we take a shower 开始学习
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verb we use water to brush our teeth 开始学习
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verb we also need water to flush the toilet 开始学习
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noun 开始学习
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noun we wash the dishes with water 开始学习
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noun We wash clothes with water 开始学习
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noun fruits and vegetables also need water to grow 开始学习
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noun fruits and vegetables also need water to grow 开始学习
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we need water to travel. We can travel by ship and by boat. 开始学习
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noun we need water to travel. We can travel by ship and by boat. 开始学习
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noun We can also make power with water 开始学习
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noun Hydroelectricity is electricity from water 开始学习
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noun Hydroelectricity is electricity made from water 开始学习
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noun and adj 开始学习
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noun we like to go to beach in the summer 开始学习
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noun Lots of sports need water 开始学习
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noun 开始学习
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verb and noun 开始学习
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noun 开始学习
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noun 开始学习
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noun Lots of sports need water. sailing, surfing, swimming, waterskiing, and diving all use water. 开始学习
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noun The human body contains lots of water. 开始学习
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verb The human body contains lots of water. 开始学习
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noun our body is about 70% water 开始学习
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noun our brain is about 85% water 开始学习
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noun our bones are about 33%water 开始学习
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adj Water is very important for the human body 开始学习
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noun we need water because it keeps our blood healthy 开始学习
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noun blood takes oxygen from our lungs to other parts of our body, too 开始学习
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noun gs to other parts of our body, too 开始学习
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verb If we don't drink water, our body gets dehydrated. 开始学习
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noun If we are dehydrated, our kidneys and our brain don't work 开始学习
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adj 开始学习
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noun The biggest ocean animal is the blue whale 开始学习
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noun It can be more than 30 meters long and 200 metric tons 开始学习
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There are sharks and lots of other fish 开始学习
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noun There are sharks and lots of other fish 开始学习
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noun 开始学习
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noun 开始学习
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noun They don't have a skeleton 开始学习
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verb They need water to support their bodies 开始学习
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noun fish, frogs, beavers, and ducks live in fresh water 开始学习
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noun fish, frogs, beavers, and ducks live in fresh water 开始学习
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noun fish, frogs, beavers, and ducks live in fresh water 开始学习
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noun 开始学习
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noun In the African savannah, animals, like Zebras, giraffes, and elephants, come to the waterhole to drink. 开始学习
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noun In the African savannah, animals, like Zebras, giraffes, and elephants, come to the waterhole to drink 开始学习
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noun In the African savannah, animals, like Zebras, giraffes, and elephants, come to the waterhole to drink 开始学习
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noun In the African savannah, animals, like Zebras, giraffes, and elephants, come to the waterhole to drink 开始学习
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adj The savannah can be very hot and dry, and these animals cannot live without water 开始学习
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noun Hippos need water to keep their skin healthy 开始学习
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verb and noun Hippos need water to keep their skin healthy 开始学习
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adj and verb They stay in water all day to keep cool 开始学习
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noun If they don't have water, they get sunburnt 开始学习
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حرق ناجم عن التعرض لاشعة الشمس
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verb and noun Floods can happen when there is too much rain 开始学习
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adj Rivers and lakes become very full 开始学习
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verb and noun Floods can also happen when there are very big waves in the ocean 开始学习
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noun Where there are floods, the water covers roads and paths 开始学习
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noun Where there are floods, the water covers roads and paths 开始学习
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noun Sometimes they have to get on the roof of their house to wait for help 开始学习
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verb Sometimes they have to get on the roof of their house to wait for help 开始学习
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noun The police and firefighters rescue people with boats and helicopters 开始学习
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noun The police and firefighters rescue people with boats and helicopters 开始学习
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noun and verb The police and firefighters rescue people with boats and helicopters 开始学习
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noun The police and firefighters rescue people with boats and helicopters 开始学习
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adj and adverb floods can be very dangerous 开始学习
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adj The water moves fast and it's very strong 开始学习
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adj The water moves fast and it's very strong 开始学习
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verb turn off the water when you brush your teeth 开始学习
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verb and adj collect rainwater to water plants 开始学习
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verb Don't throw things into rivers or lakes 开始学习
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开始学习
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adj people and animals need clean water, not dirty water 开始学习
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