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保护海洋的英语演讲稿(20篇)

导语:又在海底游玩了一圈,我们乘坐潜艇来到沙滩上晒太阳。人们在沙滩上谈笑风生。我躺在椅子上喝着果汁,吹着凉爽的海风,好不惬意。下面是小编整理的一些关于海洋的作文,供查阅,希望您能喜欢。

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保护动物英语作文Protectwildanimals

全文共 1355 字

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Many animals are in danger of dying out。 As is shown in the chart, we can see the number of animal species decreases faster and faster and this trend will continue。 From 1980 to 2010, at least 1 million animal species have disappeared。 Worse still, more and more wild animals are in great danger。 It is not a piece of sensational news; it is a fact, a harsh reality。 Unfortunately, we may not see these animals in the near future。

From the second picture, we can find some reasons。 Why is the number of animal species declining year by year? Apparently animals have become victims of fashion industry。 Animal skin has been used to make fashionable clothes and these clothes sell at a high price。 So some greedy people begin to kill animals in a large quantity。 This irresponsible behavior not only breaks the balance of nature but also endangers the living environment of human beings。

As far as I am concerned, something must be done to stop this illegal action。 We believe "no buying, no killing"。 First, we must make concerning laws to protect these animals in danger。 Second, we must take some measures to protect animals effectively。 Animals are our friends and part of our environment。 Third, we should raise peoples awareness to protect animals and our environment。 In this way, we can build a harmonious society and ensure a sustainable development。

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篇1:保护动物的英语

全文共 355 字

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Everyone knows animals are our friends. So we should be friendly to them.

But some people kill the rare animals, such as pandas, golden monkeys and so on in order to get money.

It will cause these animals to disappear soon.

I think our government should punish those people severely who kill the rare animals.

It is our duty to protect the endangered animals.

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篇2:保护环境作文英语80个单词

全文共 1124 字

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however mean your life is,meet it and live it ;do not shun it and call it hard names.it is not so bad as you are.it looks poorest when you are richest.the fault-finder will find faults in paradise.love your life,poor as it is.you may perhaps have some pleasant,thrilling,glorious hourss,even in a poor-house.the setting sun is reflected from the windows of the alms-house as brightly as from the rich mans abode;the snow melts before its door as early in the spring.i do not see but a quiet mind may live as contentedly there,and have as cheering thoughts,as in a palace.

the towns poor seem to me often to live the most independent lives of any.may be they are simply great enough to receive without misgiving.most think that they are above being supported by the town;but it often happens that they are not above supporting themselves by dishonest means.which should be more disreputable.

cultivate poverty like a garden herb,like sage.do not trouble yourself much to get new things,whether clothes or friends,turn the old,return to them.things do not change;we change.sell your clothes and keep your thoughts.

[保护环境作文英语80个单词

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篇3:英语演讲稿:I love English

全文共 2128 字

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As everyone knows,English is very important today.It has been used everywhere in the world.It has become the most common language on Internet and for international trade. If we can speak English well,we will have more chance to succeed.Because more and more people have taken notice of it,the number of the people who go to learn English has increased at a high speed.

But for myself,I learn English not only because of its importance and its usefulness,but also because of my love for it.When I learn English, I can feel a different way of thinking which gives me more room to touch the world.When I read English novels,I can feel the pleasure from the book which is different from reading the translation.When I speak English, I can feel the confident from my words.When I write English,I can see the beauty which is not the same as our Chinese…

I love English,it gives me a colorful dream.I hope I can travel around the world one day. With my good English, I can make friends with many people from different contries.I can see many places of great intrests.I dream that I can go to London,because it is the birth place of English.

I also want to use my good English to introduce our great places to the English spoken people,I hope that they can love our country like us.

I know, Rome was not built in a day. I believe that after continuous hard study, one day I can speak English very well.

If you want to be loved, you should learn to love and be lovable. So I believe as I love English everyday , it will love me too.

I am sure that I will realize my dream one day!

Thank you!

亲爱的老师,同学们:

我很高兴可以在这个课堂上做一次演讲。这一次,我想谈谈英语。我的话题是我爱英语。

正如每个人所知,英语在今天十分重要。它已经被应用到世界的各个角落。它已经成为商业上最为通用的一门语言并广泛的用于国际贸易。如果我们能说好英语,我们就有更多的机会成功。因为越来越多的人注意到这一点,学英语的人数正在已很高的速度增长。

但是对我而言,我学英语不仅仅因为它的重要性以及它的实用性,更是因为我喜爱英语。当我学英语时,我可以体会到一种不同的思维方式,它可以给我更多接触世界的空间。当我读英语小说时,我能感受到不同于阅读翻译文的快乐。当我说英语时,我可以感到自信。当我写英语时,我能够感到不同于汉语的那种美……

我爱英语,它给了我一个色彩斑斓的梦。我希望有朝一日我可以畅游世界,用我流利的英语,我可以和世界各地的人交友。我能看到许多的名胜。我希望我能够到伦敦去,因为那里是英语的故乡。

我也希望用我流利的英语来将我们的名胜介绍给说英语的朋友,我希望他们可以像我们一样的爱我们的国家。

我知道,罗马不是一天筑成的。(成功需要日积月累。)我相信在持续不断的努力学习下,总有一天我可以拥有一口流利的英语。

如果你想被爱,你就应该学着去爱他人。所以我相信我对英语的爱定将换来它对我的爱。

我相信总有一天我会实现我的梦!

谢谢!

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篇4:保护地球英语范文

全文共 1218 字

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How long haven’t you saw the star at night in the city? Would you miss the fresh and sweet air? Have noticed the river had seriously been polluted? Would you mind listening the crazy honking car horns instead of the birds’ ringing everyday? Could you be calm down if leave the air conditioning room in summer? Around us a little observation , air pollution, drought, flood, global warming, tsunami, earthquake and so on, was more closer to us. Caring for our earth, imminently! Not only for ourself, but for our further generations. As a teenagers, especially a college student, there are lots of things we can do to stop damaging our environment. Firstly, changing the way we think of our environment, facing the reality of our environment which have been seriously damage. Secondly, take some actions and from the side small start like play a tree, install low-flow shower heads and applicants, use public transport , less plastic bags and so on. The last but not the least, influence our neighbors by our behavior and let more and more people care for our motherland. Caring for our earth, all of us join together, with our heart and efforts, more blue days, cleaner water, peaceful

world ,that would not be a dream!

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篇5:保护海洋

全文共 608 字

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谁都知道我国有960万平方千米的土地,但又有谁知道,隶属我国的海洋面积有多少呢?还是让我来告诉你吧!是300万平方千米。

有人可能会问:既然有这么广阔的土地,那海洋生物也应该很多才对吧!没错,我过的海洋生物数量占世界的10%左右。这些海洋生物就像我们的兄弟姐妹一样。但我们的兄弟姐妹正在慢慢的消失,为什么?因为我们人类。

大家应该知道白鳍豚吧!它是全世界那么多国家,唯独中国才有的稀有动物,生活在长江中下游,由于我们人类所建的化工厂所排出来的废水对长江的水质早成了污染,还有生活垃圾......这些无情垃圾破坏了它们的栖息地,使它们无家可归,适应不了被污染得十分严重的环境,最终,这种国家一级保护动物,这种古老而美丽的动物,有"活化石"之称的白鳍豚的数量不及大熊猫的5%。

藏羚羊是国家一级保护野生动物,全世界99%的藏羚羊生活在我国西部海拔4500米以上的高原上。藏羚绒又轻又软,保暖性强。用它制成的披肩在20世纪90年代成为了西方富人的衣着时尚。然而想要采集这种绒就必须得把藏羚羊杀死。目前,存活的藏羚羊仅有15000--100000只,为100年前十分之一。如果继续残害它们,不采取任何保护措施,20年内藏羚羊将灭绝。

这两种动物虽然不是海洋生物,但我认为如果我们继续破坏环境,捕杀动物的话,海洋生物也会面临生命危机的。比如:海洋生物当中最大、最重的蓝鲸,由于人们的随意捕杀,和人们对环境的毁坏,蓝鲸数量正在急剧减少。

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篇6:环境保护英语作文范文RecyclingWaste

全文共 540 字

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People plant a great number of young trees in the mountains.When the trees grow big and tall enough,they are cut down by workers and carried out of the mountains to the paper mill where fine paper is made from wood.Then it is taken to every corner of the country and used for different purposes.Some people use paper to copy writing,others use it to write something such as letters,reports and articles.When paper turns out to be of no use,the waste paper is collected and retreated in the recycling factory before being put into use again.

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篇7:保护小鸟英语

全文共 492 字

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Protecting birds is part of our jobs of protecting our own living environment. Imagine you live in a place with green trees and colourful flowers. The little birds are flying around and singing happily. Its such a wonderful place to live. On the contrary, if we damaged the nature, chopped all the trees and kill all birds, we will live in a desert where has no living creatures. What a boring live would be! Therefore, we should protect birds as we protect our childern and ourselves future.

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篇8:三年级保护动物的英语作文

全文共 903 字

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我们地球上有许多有益的动物,我们要保护它们。

There are many useful animal we on earth, we should protect them.

青蛙它是两栖动物。它生活在水里,或在靠近水边的地方。它专门吃田里害虫。它是农作物的“忠诚卫士”,是天然的捕虫机。一只青蛙平均一天吃70只害虫,一年能吃掉15000条害虫。

Frog it is amphibious animal. It lives in the water, or in close proximity to the waters. It is designed for field pests. It is the crop "loyal guards", is a natural insect catching machine. The average of a frog to eat 70 pests a day, a year can eat 15000 pests.

蜻蜓也很厉害。一只蜻蜓一个小时能吃20个蝇子或840只蚊子,真令人惊讶!

Dragonfly is also very powerful. A dragonfly one hour to eat 20 or 840 mosquitoes fly, really surprising!

燕子就更厉害了,它一只燕子一个夏天就能吃掉50万条害虫,燕子真是人类的好帮手!

The swallow is even more powerful, it is a swallow a summer can eat 500000 pests, swallow is a really good helper!

蜜蜂可以给我们人类带来甜甜的蜜,它也对我们有益的,我们要保护它。

Bees can give us to bring sweet honey, it is good for us, we must protect it.

地球上的有益动物,我们都要保护它们。

Useful animal on earth, we should protect them.

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篇9:关于保护海洋语文作文高2

全文共 536 字

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当我读完《与环保同行之哭泣的海洋》这本书之后,使我深受启发。对海洋素不知道的我,通过阅读,我了解了许多关于海洋的知识。

2003年10月15日,北京时间9时,中国首次发射的载人飞船“神舟5号”冲破大气层,遨游太空才发现,地球并不是想象中,土黄色的星球,恰恰相反,地球的大部分都是蔚蓝色的海洋,说它是“地球”不如说它是“水球”更恰当些。

海洋中的鱼、虾、贝、蟹等许多海底生物都有着丰富的蛋白质,例如:从某些海葵中能提取出抗凝血剂,有一些海葵的提取物可治白血病,另外它还能治疗皮癣;河豚的卵巢、血液和肝脏有剧毒。从河豚身上提取河豚毒素,在医学上是一种良好的局部麻醉剂……在海洋中有许多珍宝,使人类的生活变得更充足,正因这样,那些贪婪的人就不惜一切代价来捕捉这些动物,使它们都频临灭绝。

我举个书中的例子:近海养殖业产生的残饵、残骸、养殖集体排泄物污染海水之后,而每只毛蚶一天过滤120升海水,当人类食用被细菌附着的海产品,在通过食物链进入人体,就会导致人群生病甚至死亡。1988年年初,上海爆发的轰动国内外的“甲肝事件”就是人们食用了病毒感染的毛蚶所致。

这件事让人们更重视对海洋的保护,同样也让我意识到我们因该号召每个人都要保护海洋,不要往海里扔垃圾让海洋恢复到原本生机勃勃的容貌。

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篇10:保护环境的英语作文

全文共 2161 字

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I dont want my motherland is rubbish country, let the white garbage to unscrupulous everywhere, how I wish my country is a beautiful and clean, this needs us to protect the environment, even picked up a piece of paper, also can add a little color for the motherland.

On Tuesday morning, the sky is blue, the air is also particularly pure and fresh. My mood very good. I ran to the square early exercise, I ran ran, "sand, sand......" Yi! What follow behind me, I slammed a look back, you see, it was a crumpled paper, behind me as my little tail. Several nearby garbage under the sway of the breeze, with one in the square, like a market. Flower bed in two uncle is said to eat, also the rubbish, my heart suddenly welled up in a rage: "hum! Wait! Ill let you speechless for a while." I go to two, three times five different meeting just picked up the rubbish, I looked up and saw a cleaner grandpa was sweeping rubbish, I rushed over to put the garbage in grandpas bag, grandpa paused, then smiled, looked down his mouth kept said: "good boy! Good boy." I picked up some rubbish, the bag into the old man, and old man smile said: "oh! The child, you are not afraid to say you are picking up litter?" I laughed and said: "Im not afraid. Protect the environment is that we should do." At this time, the flower bed in two uncle stopped laughing, all tongue-tied: "yeah. - this..." I proudly eyebrows a singled, toward the house. The warm sun on my body...

Pure and fresh and beautiful country, we need to each individual action, protect the environment, starts from me! Please start with bent down to pick up a piece of paper.

我不希望我的祖国是垃圾国家,任凭白色垃圾到处肆无忌惮,我多么希望我的祖国是一个美丽而干净的,这就需要我们保护环境,哪怕捡起一张纸,也能为祖国增添一点色彩。

星期二的早上,天空格外的蓝,空气也格外的清新。我的心情特别的好。我早早的跑到广场锻炼身体,我跑着跑着,“沙,沙......”咦!什么东西在我后面跟着,我猛一回头,定睛一看,原来是一团皱巴巴的纸团,在我身后当起我的小尾巴。不远处的几个垃圾在微风的吹拂下,在广场上你追我赶,像赶集似的。花坛处的两个叔叔正在边说边吃,还边扔垃圾,我的心头顿时涌上一股怒火:“哼!等着瞧!一会儿我就让你哑口无言。”我三下五去二,不一会就把垃圾捡到手,我抬起头看到清洁工老爷爷正在扫垃圾,我跑过去把垃圾放进爷爷的袋子里,老爷爷愣了一下,随后就笑了,低下头嘴里不住地说:“好孩子呀!好孩子。”我又捡了些垃圾,放进老爷爷的袋子里,老爷爷微笑的说:“哎呀!孩子,你不怕别人说你是捡垃圾的?”我笑了说:“我不怕。保护环境是我们应该做的。”这时,花坛处的两个叔叔停止了说笑,都张口结舌:“恩.——这个......”我得意地把眉头一挑,向家走去。温暖的阳光照在我身上......

祖国的清新美丽需要我们每一个人行动起来,保护环境,从我做起!请从弯腰捡起一片纸开始。

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篇11:英语演讲比赛

全文共 678 字

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Last week, I took part in an English speech contest which was held by our teachers. There were twelve students in the final contest. I was one of them.

Fifteen minutes before my turn, I picked my topic and prepared for it. I wrote down the outlines and organized what I was going to say. However, when I stood in front of all judges and students, I was extremely nervous. My mind was totally empty.

Then I took a deep breath to relax myself and started my speech. The result was not as good as I expected, but I preferred to regard it as a challenge to myself, whose process was the most important for me. I can learn a lot from this contest. I am sure I will be better next time.

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篇12:初二英语作文保护动物

全文共 3218 字

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在维持自然平衡中,每种动物都有其作用。下面就是小编跟大家分享一篇初二英语作文保护动物,欢迎大家阅读!

保护动物初二英语作文一:Protect endangered animals

There are more and more endangered animals at present,so how to protect them has been our task of top priority . Its wrong for people to hunt animals for their meat and feather,for they are our good friends.We should protect them instead of killing them.Giant pandas,which are one of the endangered animals,live in the forests and live on bamboo lealves.They can just live safely in the natural protection zones.We should stop killing animal and protect them.

保护动物初二英语作文二:How to protect the animals?

Animals are our friends.But how to protect them? government is working to protect all animals in danger,and has made lots of plans to save animals. On the other hand, we shouldn’t eat wild animals.We should keep them away from our dinner. That way,there will not be wild animals on sale. I think the hunters and killers will become fewer and fewer.

Last, we should protect the environment.We should stop people from cutting trees down. Without trees, wild animals will lose their home. And we will lose our animal friends. All of us should try our best to protect animals.

We need to protect animals better.We should give them fresh water to drink.We should make the forests bigger for animals in danger to live in.We should advice people not to kill animals beacause they are our friends!

保护动物初二英语作文三:Save the Wild Animals

Many wild animals are facing the danger of extinction, because the environment that they are living in has changed greatly. For example, with the developmet of cities, the using of insecticide and serious pollution, their living areas have become narrowcr and narrower. Many of the wild animals, now are confronted with food crisis. At the same time, man is killing off species just for getting their fur, skin, horns, teeth and meat.

In order to protect our resources of ecology, people should realize that the loss of any species is at least the loss of source of knowledge and a source of natural beauty. There fore, measures of the following should be taken: pollution standards are made to keepdown poisons; killing off certain rare species is prohibited; national parks should be set up as wild life, reserves.

Only if we human beings take some drastic measures can wild animals be preserved.

保护动物初二英语作文四:Protect Panda

The giant panda is known as the national treasure of China. The panda was a kind of ordinary animal in China long ago. However, for some reasons, too many of them have been killed. So the number of them is falling quickly.

At present people are taking an important measure to save pandas. People want to find a home for them, and recently, they have set up a nature park for them in Sichuan Province,which is called "Pandas Home. "There pandas can enjoy their life happily. There is a bamboo forest near the Pandas Home. So the pandas can find bamboos easily which they like to eat very much. .

Because pandas are well protected now, the number of them is increasing every year. We hope that one day we will have enough pandas to set them free and let them live in the wild again.

Pandas are good friends of man. Man should try to protect them and ]et them live in the way they like!

[初二英语作文保护动物

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篇13:保护熊猫英语作文

全文共 690 字

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Pandas are my favourite animals.In fact,all the people like pands as well.Pandas living in the wild can live for 20 years while the pandas that live in the zoos can have a life of more thqn 30 years.Pandas are really lovely.They can not only climb trees but also swim.However,the number of pandas is decreasing sharply.It is said that there are only 1000 pandas remaining in the world at present.It is sad news for all of us.Therefore,we are supposed to take measures to protect pandas in order to prevent them from dying out.

熊猫是我最喜欢的动物.事实上,所有的人都喜欢品牌一样.生活在野外的大熊猫能活20年而生活在动物园的大熊猫能有更多的thqn寿命30年.熊猫很可爱.他们不仅能爬树而且游泳.

然而,大熊猫的数量正在急剧下降.这是说,只有1000只大熊猫留在目前世界.这对我们所有人来说都是坏消息.

因此,我们应该采取措施来保护大熊猫,为了防止其灭绝.

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篇14:保护环境的演讲稿

全文共 999 字

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尊敬的老师、同学们:

大家好,我是苏博韬,今天我给大家演讲的题目是《人间“海市”》,这个“海市”不是指沙漠中阳光折射的幻象,而是指美丽的城市,人间“海市”就是在地球建造美丽的城市。

当人们乘着宇宙飞船,来到宇宙遥望自己的家乡———地球,是那样的晶莹透亮、美丽壮观,而又是一个脆弱的生命太需要人类的保护和珍惜,珍惜地球的自然资源,如果大家继续无节制地去开采地球的自然资源,那么地球难逃毁灭的命运。还有的人贪婪地说:“等地球的资源开采完了,不能搬到其他星球上去居住吗?”现在科学家已经证明了在地球为中心的40万亿千米的范围内,没有适合人类居住的第二个星球,所以这个科学成果打败了人类贪婪的心理。

现在人们到处在破坏地球,砍伐森林,造成水土流失,洪水泛滥,冲垮堤岸淹没了村庄,这是江水、河流、小溪的报应。还有的人们住在河水的上游把垃圾和化学物品倒入水中,让下游的人们饮用后,产生了水俣病,这种病非常厉害。比如说在日本九州熊本县水俣镇就发生过。1950年水俣湾附近的于村中发现一些猫步态不稳,抽筋麻痹,最后跳入水中溺水死亡,当地人谓之“自杀猫”。就连人类也受到了水俣病军团的威胁。继水俣镇1963年,日本新泻市又有大批自杀猫、自杀狗出现。1973年在有明海南部沿岸的有明町等地有发生了水俣病。据报道这三次发病人数共计900人,实际上在日本受害者人数远远地超过了这个数字,仅水俣镇受害居民有1万人左右。同学们难道你们还不知道污染水资源是那么的可怕啊!

不说日本,就说我老家门前有一座桥,桥下有很大的一条河流,以前河水散发着大自然的气息,清澈见底,总能听见洗衣人那美妙的歌声。而现在从那走过时,人们不由自主地捂住鼻子,如果不捂住鼻子,那刺鼻的气味就像“强盗”一样闯进你的鼻子。垃圾多得意地把整条大河堵塞住,大河却变成了慢慢流淌的小溪,有时候小溪也会断流,农民伯伯也没有水浇地,而所有的蔬菜麦田已经干枯而死。我们多么怀念那美丽的绿色,怀念那美妙的歌声,而这又是谁造成的呢?——除了人类还能有谁!难道你们能坐视不管吗?不行,我已经愤怒了。

我呼吁:人类要保护地球!

1、不能倒垃圾:

2、不乱建工厂;

3、不堵塞河道;

4、不乱排污水、化学物品;

5、垃圾应送到垃圾处理站进行分类处理;

6、应给排水口装上过滤器。

我只想告诉人类一句话:“尊重地球就是尊重生命,拯救地球就是拯救未来,让我们携起手来共创人间“海市”!

我演讲完了,谢谢大家。

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篇15:保护的环境英语作文

全文共 1464 字

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There are still many environmental problems in recent years.One of the most serious problems is the serious pollution of air, water and soil.The polluted air is very damaging to peoples health.Polluted water causes diseases and deaths.More importantly, the vegetation has been greatly reduced, with the rapid growth of modern cities.

In order to protect the environment, many governments have done a lot of work.Introduced legislation to control air pollution, protect forest resources and Marine resources, and stop any environmental pollution.Governments, therefore, are playing the most important role of environmental protection today.

I think the government must take more concrete measures to protect the environment.First, the government should make the people fully aware of the importance of environmental protection through education.Second, more efforts should be made to implement policies on population planning, because more people mean more people mean more pollution.Finally, those who intentionally destroy who should be severely punished.We should let them know that destroying the environment means destroying humanity itself.

【翻译】

仍然有很多环保问题在近几年。最严重的问题之一是空气,水和土壤的严重污染。污染的空气严重损害人们的健康。污染的水引起的疾病和死亡。更重要的是,植被已大大减少,随着现代城市的快速增长。

为了保护环境,许多国家的政府都做了很多工作。介绍了立法措施控制空气污染,保护森林资源和海洋资源,制止任何环境污染。因此,各国政府正在发挥环保今天最重要的作用。

我认为,为了保护环境,政府必须采取更具体的措施。首先,政府应该让人民充分认识到环境保护的重要性,通过教育。第二,更应努力把人口规划实施的政策,因为更多的人意味着更多的人意味着更多的污染。最后,那些故意破坏谁应该受到严厉惩罚的环境。我们应该让他们知道,破坏环境就是毁灭人类自己。

[保护的环境英语作文

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篇16:中考英语作文:关于环境保护问题

全文共 763 字

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What Can We Do for the Environment

our environment is becoming worse and worse,what can we do for the environment?I think each of us can do a little bit to help with this problem。

The first thing we can do is to use cloth bags instead of plastic bags when we go shopping. It helps to protect the environment. The second thing we can do is to reuse the old textbooks as possible as we can. We should also never forget to turn off the lights when we leave the classrooms in order to save energy. Whats more,it would be better if we walk or ride a bike to school. We should try our best to reduce pollution and waste。

In fact,even the simplest everyday activities can make a real difference to the environment. I believe we can make the world a better place to live in.

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篇17:海洋水盐分的英语作文

全文共 2377 字

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盐度如果我们分析海水的盐度,会发现地区间只有轻微的变化,然而有些小的变化是重要的。

导致海洋的盐度变化的基本过程有三个,其中之一是通过蒸发的方式即把液态水转化为水蒸气来减少海洋中的水分。

这样由于盐留了下来,所以盐度增大。

当然,如果这种方式走向极端,将会余下白色的盐晶体。与蒸发相反的是降水,如降雨,由此水被加入海中,海水被稀释,从而盐度降低。

这种情形会发生在大量降雨的地区,或江河入海岸处。因此,盐度通过蒸发减少水分而上升或通过降水或径流增加淡水成分而下降。一般来说,在阳光很

强烈的热带地区,海水的盐度略高于世界上其它没有热带那样多的蒸发的地区。同理,在江河稀释海水的海岸地带,海水盐度略低于其它海区。

第三个可以变更盐度的过程与海洋中冰的形成和融化有关。海水冻结时,溶于其中的物质被留了下来。这样,在新形成的海

水冰面的正下方的海水比在冰形成之前有更高的盐度。

当然,当冰融化的时候,会降低周围水中的盐度。

在南极洲边缘的威德尔海中,结冰过程增加低温海水的盐度,从而形成了浓度最大的海水。这些大密度的海水下沉,可以在世界海洋的深水域发现。

if the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. nevertheless, some of these small changes are important. there are three basic processes that cause a change in oceanic salinity. one of these is the subtraction of water from the ocean by means of evaporation--- conversion of liquid water to water vapor. in this manner the salinity is increased, since the salts stay behind. if this is carried to the etreme, of course, white crystals of salt would be left behind.

the opposite of evaporation is precipitation, such as rain, by which water is added to the ocean. here the ocean is being diluted so that the salinity is decreased. this may occur in areas of high rainfall or in coastal regions where rivers flow into the ocean. thus salinity may be increased by the subtraction of water by evaporation, or decreased by the addition of fresh water by precipitation or runoff.normally, in tropical regions where the sun is very strong, the ocean salinity is somewhat higher than it is in other parts of the world where there is not as much evaporation. similarly, in coastal regions where rivers dilute the sea, salinity is somewhat lower than in other oceanic areas.a third process by which salinity may be altered is associated with the formation and melting of sea ice. when sea water is frozen, the dissolved materials are left behind. in this manner, sea water directly materials are left behind.

in this manner, sea water directly beneath freshly formed sea ice has a higher salinity than it did before the ice appeared. of course, when this ice melts, it will tend to decrease the salinity of the surrounding water.in the weddell sea antarctica, the densest water in the oceans is formed as a result of this freezing process, which increases the salinity of cold water. this heavy water sinks and is found in the deeper portions of the oceans of the world.

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篇18:保护环境的英语小作文

全文共 516 字

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With the improvement of our living standard, more and more people can afford a car。 As a result, our roads are more often than not crammed with cars。 However, with more and more waste gas being discharged by the cars, the problem of air pollution bees even more serious。 So nowadays we advocate to lead a low-carbon life。

My suggestion is we should ride bikes more often instead of driving cars。By riding a bike, we can not only exercise our body but also protect our environment。 Why not have a try, my dear friends?

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篇19:保护环境的英语作文

全文共 2413 字

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We live earth is deteriorating rapidly, did we have to pay attention to their own living environment cause harm to nature, you must not throw sundry, especially those serious pollution of garbage, waste batteries, for example, because the section waste batteries contain heavy metals, if flow to clean the water, it is very much pollution, then try to save trees made items such as paper, pencils, because waste these things is the destruction of the forest. Also try to use less disposable lunch box, chopsticks and plastic bags and other items, so as to avoid unnecessary waste and reduce waste.

There are some tips: walking to closing the master switch, in order to avoid electrical appliances overheating explosion, a waste of money and waste of electricity, save water, to shut the tap when brushing your teeth, wash dish water to rice, rice water to water the flowers, wash water can sweep the floor, so we can reduce some waste. 12 dont hunt wild animals, animal protection is absolutely cant kill, but dont kill the common animals such as frogs, because frogs eat 15000 bugs for us, and most are pests. Some people often dont think that is, the stubborn still, so we should try to eat less wild animals, lead to wild animals, the drop in sales no longer killing of wild animals.

Our forest is called oxygen plant, so to take good care of flowers and plants, not to destroy the city greening, and actively participate in. But also to cut down trees less, dont waste wood items, because waste these things is to destroy the forest, so be used sparingly, to protect the forests of less and less.

Use energy-saving lamps to replace the ordinary light bulb, although some expensive but can use less electricity. I appeal to you: in our daily actions to protect earths environment, let our children and grandchildren live in a beautiful environment!

我们生活的地球正在迅速恶化,我们不得不注意一下自己的生活环境有没有对大自然造成危害,大家必须必须别乱丢杂物,特别是那些污染严重的垃圾,比如废电池,因为一节废电池中所含的重金属,如果流到清洁的水中,它造成的污染是非常厉害的,其次要尽量节约纸张、铅笔等树木造的物品,因为浪费了这些东西就是毁灭森林。还要尽量少用一次性饭盒、筷子和塑料袋等物品,以免造成不必要的浪费和减少垃圾的产生。

还有一些小建议:走时要随手关总开关,以免电器过热爆炸,浪费钱又浪费电,要节约用水,刷牙时要关紧水龙头,洗菜水可以淘米,淘米水可以浇花,洗衣水可以拖地,如此就可以减少一些浪费了。不要随意捕杀野生动物,一二级保护动物是绝对不能杀的,但也别捕杀青蛙等常见动物,因为青蛙为我们吃掉1.5万的虫子,而且大部分是害虫。有些人经常不以为是,依旧我行我素,所以我们要尽量少吃野生动物,导致他们野生动物销售额下降,不再捕杀野生动物。

我们的森林被称之是氧气加工厂,所以要爱护花草植物,不要破坏城市绿化,还要积极参与。而且还要少砍伐树木,别浪费木质的物品,因为浪费了这些东西就等于毁灭了森林,所以要少用,来保护越来越少的森林。

用节能灯炮来代替普通灯泡,虽然有些贵但是可以相对的少用一些电的。我呼吁大家:用我们的日常行动来保护地球的环境,让我们的子子孙孙生活在一个美好的环境中!

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篇20:高考英语写作万能模版之环境保护题材句

全文共 949 字

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1. To cherish the enviroment is to love ourselves.

爱护环境就是爱护我们自己。

2.Water is the source of ourlives

水是生命之源。

3.I make an urgent appeal that measures should be taken to cope with the situation

我急切呼吁应该采取措施改变现状。

4.Our government is doing its best to take measures to fight against pollution.

我们政府正努力制定措施与污染作斗争。

5.We are sure that well win the battle.

我们坚信我们能赢得战斗。

6.Its high time that we should protect our enviroment from being polluted.

是时候我们应该防止环境污染了。

7. Keep our mountains green,the wate clean,and the sky blue.

使我们山更绿,水更清,天更蓝。

8.However,natural resources are not inexhaustible.some reserves are already on the brink of exhaustion.

然而自然资源并不是无穷无尽的,一些储量已经到了穷尽的边缘。

9.If we do something with no thought for the furture . The later generation would be in danger.

如果我们不为将来考虑,后代就会受到威胁。

10.Our earths days are numbered without urgent help.

没有及时的帮助我们的地球就屈指可数了。

11(Sth.)are bound to generate severe consequences if we keep turning a blink eye to them.

如果我们继续睁一只眼闭一只眼的话,……一定会有恶劣的后果。

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