Water(精选7篇)
作文是经过人的思想考虑和语言组织,通过文字来表达一个主题意义的记叙方法。作文分为小学作文、中学作文、大学作文(论文)。下面是小编辛苦为朋友们带来的7篇《Water》,希望可以启发、帮助到大朋友、小朋友们。
Water英语作文 篇一
Water is one of the most valuable resource in the world, is the ideal liquid to sustain life. Mammals in vivo is between 60% and 65% water, two-thirds of the human body weight, 99% of the brain, bones are about 44% water. Lack of water, the human and the earth will not survive, forests will disappear, the plant will perish, the earth will appear the boundless desert, signs of life will disappear.
Currently the world's fresh water accounts for only 2.5% of the total water resources, of which more than 70% is frozen in the arctic and Antarctic ice sheets, and it is difficult to use the snow on the mountain glaciers and permafrost, 87% of the fresh water resources is difficult to use. Humans really able to take advantage of the freshwater resources is part of the rivers and lakes, and groundwater, accounts for about 0.26% of the earth's water.
Given the global freshwater resources shortage, not only will soon fall into the predicament of the water shortage in many countries, economic development will be limited, on January 18, 1993, the 47th United Nations general assembly resolution, determine the annual March 22 as "world water day"。 After the water act of the People's Republic of China promulgated in 1988, the ministry of water resources is to determine the annual July 1 to 7 as "China's water week", considering the "world water day" and "China water week" the purpose and content of basic same, therefore, starting from 1994, change the time of "China's water week" to the annual March 22 to 28, time coincidence, make a campaign more highlights the theme of "world water day"。
Water英语作文 篇二
the provision of safe water necessitates one of the rnajor expenditures of manpower and revenue in our modern cities. the purification of water is basically a two-step or three-step process carried out under the strict supervision of public health scientists and engineers. as the first step, natural water from the least contaminated source is allowed to stand in large reservoirs, where most of the mud, clay, and silt settle out; this is called "sedimentation"。 often in water with high mud content, lime and aluminum sulfate are added to the water in the settling reservoirs. these chemicals react in the water to form aluminum hydroxide, which settles slowly and carries much of the suspended material, including most of carries much of the suspended material, including most of the bacteria, to the bottom of the reservoirs. as the second step, the water is filtered through beds of sand and grovel, which remove other impurities and chemicals in it. during or after filtration, chemicals are ordinarily added to the water to kill any remaining harmful bacteria. chlorine is one of the most common chemicals used for this purpose. a third step taken by some rmnicipalities is adding to the water other beneficial chemicals such as fluoride to make tooth enamel hard, and soda ash to make the water itself soft. the water purification process, carried out with little variation from one large city to another, is perhaps the biggest factor in the prevention of major outbreaks of disease in this country.
Water英语作文 篇三
晚饭后我和妈妈出去散步半路上看见一个收费品的老人躺在路边看上去很难受的样子。妈妈走过去问他:"老人家您怎么了不舒服吗"他点了点头。妈妈说:"你跑路太多可能中暑了。"妈 妈从他的费品车 上找了个干净瓶子给他倒了半瓶水递给他不顾他有多脏把他扶了起来。他一饮而尽妈妈看他不够喝把水全倒给了他他又全部喝完了。看他没事我们就去散步了。路上我觉得口渴了就对妈妈说:"妈妈我想喝水。"妈妈说:"没水了咱们去买一瓶吧。"我说:"咱们要是不给那个老人水就好了。"妈妈说:"这瓶水对你来说不算什么可对他来说可能就是救命水别人有困难你帮助了他等你有困难时也有人会帮助你的走咱们买水去。"这件事使我明白了人与人之间要相互关心相互帮助。. 。
After supper, my mother and I went out for a walk and saw an old man lying on the side of the road looking very uncomfortable. My mother went up to him and asked him, & quot; what's wrong with you, old man & quot; he nodded his head. My mother said, & quot; you may have heatstroke if you run too much; His mother found a clean bottle from his expensive car and poured half of the bottle of water to him. He helped him up regardless of how dirty he was. He drank it all in one gulp. His mother saw that he didn't have enough water to drink and poured it all out to him. He drank it all again. Seeing that he was ok, we went for a walk. On the way, when I felt thirsty, I said to my mother, & quot; mom, I want to drink water; Let's buy a bottle when there's no water. Let's go and buy water if we don't give the old man water; It made me understand that people should care for each other and help each other
Water英语作文 篇四
Water
Water is very important for living things. Without water there can be no life on earth. All animals and plants need water. Man also needs water.
Water is found atmosteverywhere. Even in the driest part of the world there is some water in the air.
As we all have found out, water may be a solid, or a liquid or a gas.When it isa solid, it may be as hard as brick, When itis a liquid, you can pour it out of a container. When it is a gas, you cannot see or feel it.
Although about 70 percent of the earth's surface is covered with water,there are many places in the world still running out of water. So we should make good use of water on earth.
水
水对生物很重要,没有水,地球上就没有生命。所有的动植物都需要水。人类也需要水。
水几乎无处不在。即使在世界上最干燥的地方,空气中也有水。
水,正如你所了解的,有固态、液态和气态。当它是固态时,它可以像砖一样硬;当它是液态时,你可以将它从容器中倒出;当它是气态时,你看不见或感觉不到它。
虽然地球表面70%是水覆盖着,世界上仍有许多地方缺水。所以我们要好好利用地球上的水。
Water英语作文 篇五
Water is very important to us. If you don’t have water for three days, you will die. We can use water for flowers, swimming, washing many different things. We use it to cook, make electricity, put out fires and so on. We use millions of liters of water every day.
Do you know how does the water come to your home? It travels through water pipes. Some are long and wide but some are short and narrow. Then the water travels through the water pipes to the reservoirs. Then it travels through the water pipes to the river and to the special factories (we call water plants) that purify the water. When the water is purified, we can drink it. Please don’t leave garbage in the water on which we live, and keep the water clean.
水对我们是非常重要的。如果你三天没有水,你就会死。我们可以使用水来浇花、游泳、清洗许多不同的东西。我们用它来做饭、发电、灭火等。我们每天要用数百万公升的水。
你知道水是如何来到你家的吗?它通过水管过来。有些水管又长又宽,但有些则又短又窄。然后水通过水管到达水库。然后穿过水管到达河流和净化水的特殊工厂(我们称之为水植物)。当水被净化后,我们才可以喝。请不要把生活垃圾扔到水中,并注意保持水的清洁。
Water英语作文 篇六
Water is very important to us,we can't live without water.Water pollution is a serious problem,it causes our drinking water becomes less 。I think we should protect the water and reuse them,such as don't pour the waste water into the river,remember not to spit into the river and don't throw rubbish into the river and so on.We shoule save water 。 If we do these well,the water will be cleaner.If we don't save water,the last drop of water will be our tear.I really hope the government can do something useful to protect the water.
Save Water 篇七
Water is very important for living things.Without water there can be no life on earth.All animals and plants need water.Man also needs water.
Nowadaysthe water pollution phenomenon can be seen everywhere.The factory let the waste into the rivers.People throw the rubbish into the rivers too.At last the water can't be drank.Some places even appear water poisoning.We have to stop these activities.We should step from a small startto protect water resources.
Although about 70 percent of the earth's surface is covered with waterthere are many places in the world still running out of water.So we should protect our water on earth.
水对生物很重要。没有水就没有地球上的生命。所有的动植物都需要水。人类也需要水。
如今水污染现象随处可见。工厂让垃圾进河流。人们把垃圾扔进河流。最后水不能喝。有些地方甚至出现水中毒。我们必须停止这些活动。我们应该从一个小startto步保护水资源。
虽然大约70%的地球表面被水覆盖着世界上有许多地方仍然运行的水。所以我们应该保护我们的地球上的水。
以上内容就是一秘范文为您提供的7篇《Water》,能够帮助到您,是一秘范文最开心的事情。
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