These two guys found an affordable way to turn salt water into drinkable water using the power of ocean wavesTess Danielson
The vapor then turns bback into water and becomes safe to drink. The salt is constantly washed away so it odoesn't cause any problems.The engineers project (预计) that when they make this sys small suitcase, it can produce about 4 to 6 liters of drinking watwater per hour. It will ...
C A. The salt can't cause any problems. B. It is easy to change seawater into fresh water. C. How the device changes seawater into drinking water. D. The device can change seawater into drinking water without the sun.4 What's the purpose of the fourth paragraph? B A. To tell u...
So after years of diminishing water supplies made even worse by the second-most severe drought in state history, some communities are resorting to a plan that might have seemed absurd a generation ago: turning sewage into drinking water. Construction recently began on a $13 million water-reclamat...
Desalination plant, to convert sea water into drinking water, has vessel to take water continuously as electrolyte with spaced electrode units fed with alternating current to give separate fractions of concentrated/salt-free water Desalination plant, especially for sea water, takes the saline liquid pa...
Getting water is so___that you may think that there is an endless supply (供应量) of it. But it is not true. 70% of the earth is covered by water,___ most of the water is salt water, leaving only a small percent of fresh drinking water. Some ___ including Italy, Spain and...
与前边的salt water对应,这里应当指饮用水,drinking water意为饮用水,故选B。6. 本题考查形容词辨析。这里表示随着全球温度升高,水资源匮乏会变得更糟,get作系动词,后接形容词作表语,worse意为更糟的,故选D。7. 本题考查固定搭配。compare ... with ... 为固定搭配意为”把...和...相比较“,故选A。8...
根据“This water has a lot of salt in it”可知,大部分水都在海洋里,海洋里的水是有盐的,故选B。 (4)题详解: 句意:但当太阳照耀时,它会加热一部分海洋。 takes in吸收;gives off散发;heats up加热;cools down冷却。根据“But when the sun shine”及“This water rises up to make clouds in ...
fresh water.In the Arab countries,salt water can be made safe to drink.This is done by freezing or boiling it.The salt is left (9)and the clean water is then taken off.This process is very (10),but in some areas this is the only way to get clean drinking ...
【1】In some places, we can get drinking water by__(take/ taking) away the salt from the sea water. 【2】Please turn off that___( run/ running ) tap. 【3】Students find some interesting___(information/informations) about our world. 【4】Water is very useful. We can...