【题目】 Water is a liquid ( 液体 ) ; but it can also be a solid when it is very cold and turns to ice. It can also be a gas, when it evaporates ( 蒸发 ) and become water vapour ( 水蒸气 ) . The water cycle Water is very important, and without it life on Earth should...
Water is a liquid (液体); but it can also be a solid when it is very cold and turns to ice.It can also be a gas,when it evaporates (蒸发) and become water vapour (水蒸气). The water cycle Water is very important,and without it life on Earth should be impossible.The oceans that...
Condensation is the process through which water vapor changes into a liquid. If you've ever had a cold drink outside on a warm day, you may have...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts can answer ...
阅读下面短文.然后根据短文内容选择最佳答案. Water can be a liquid, a solid or a gas.When it is a solid, it may be as hard as rock.When it is a liquid, you can pour it out of a bottle.When it is a gas, you cannot see or pr feel it. Water can change f
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)....
C. Water vapour turns from a liquid into a gas. D. The water droplets bump against each other. 3.What can we learn from the passage? A. Snow is water frozen into water droplets. B. Rain is water frozen into little crystals. C. The water droplets are polite to each other in the ...
Water is a liquid(液体); but it can also be a solid when it is very cold and turns to ice. It can also be a gas, when it evaporates(蒸发) and become water vapour(水蒸气). The water cycle Water is very important, and without it life on Earth should be impossible. The oceans tha...
Water is found almost everywhere. Even in the desert part of the world, there is some water in air. You can't see or feel it when it is a 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...
阅读下面短文.然后根据短文内容选择最佳答案. Water can be a liquid, a solid or a gas.When it is a solid, it may be as hard as rock.When it is a liquid, you can pour it out of a bottle.When it is a gas, you cannot see or pr feel it. Water can change f
Water. Milk. Blood. Urine. Gasoline. Mercury (an element) Bromine (an element) Wine. In which states can water exist? One of the most basic things we are taught in school science classes is that water can exist in three different states, either assolid ice, liquid water, or vapour gas...