英语作文衡水体范文(推荐38篇)

admin 2024-05-31 网站管理员 admin

英语作文衡水体范文 第1篇

2、开展黑臭水体治理。采取三步骤,积极有效开展黑臭水体治理专项行动:一是抓好源头治理。对全镇范围内生活污水、企业污水、养殖业污水直排乱排进行摸底排查,通过深入农户家中宣传、摸排关停排污企业以及全面清理取缔禽畜养殖等措施,减少水污染源头。二是广泛动员。发动全镇x个村(社区),尤其是一、二级渠主渠道、干渠沿线的村和有沟渠、水塘等水体村的党员干部、志愿者、热心群众,对水体和渠道两边垃圾进行清理。三是建立长效水体保护机制。制定水体保护实施方案,对水源保护区范围内污染源进行综合整治,清理保护区内所有垃圾、煤堆放点,垃圾焚烧点,取缔禁养区禽畜养殖、规范农业种植施肥等。

3、发展农业节水灌溉。加强基础设施建设,推进节水灌溉工程建设。加强对农灌沟渠的管理。目前已完成凉水村节水灌溉工程,幸福美丽新村沟渠整治,石龙堰改造等项目。

英语作文衡水体范文 第2篇

我局委托四川水文监测中心xx分中心开展的中型水库水质检测结果表明:监测的水库水质均有不同程度的富营养化,水库污染物集中反映为高锰酸盐指数、总氮、总磷浓度

超标。据2010年第二季度对9座中型水库监测结果:葫芦口水库水质Ⅲ类;柏林寺水库、黄河镇水库、古宇庙水库、龙江水库、松林水库水质Ⅳ类;长沙坝水库、团结水库水质Ⅴ类;黄板桥水库水质劣Ⅴ类。在2009年底,我局委托四川水文监测中心xx分中心对市中区、东兴区30座小型进行了水质监测,其结果全是劣Ⅴ类。

英语作文衡水体范文 第3篇

When people start to set the goal,they will think about the result immediately,of course they want to get the best people can predict the result,most of them will give up by knowing the unsuccessful seems that if the result is bad,what people work for is my opinion,the process of fighting for the goal is much more important than the result.

When we fight for our goal,we will do our best and try to improve ourselves,even we fail in the end,but when we look back at the beginning,we can find that we are no longer the childish ones,we have grown up and become ’s more,on the process of fighting,we get close to success,as the saying that fail is the mother of don’t treat the result so serious,just enjoy the process.

当人们开始定目标,他们会立刻想到结果,当然他们想要得到最好的结果.如果人们能够预知结果,他们大部分人会因为知道失败的结果而不去尝试.似乎如果结果是坏的,人们所做的努力就会没有意义.然而,在我看来,为目标而奋斗的过程比结果重要得多.当我们为了目标而奋斗的时候,会努力做到最好,尝试提高自己,即使最终失败,但是在我们回望开始的.时候,就会发现我们不再是那个天真的自己,我们已经长大,变得成熟.而且,在奋斗的过程中,我们离成功也近了一步,正如有句话叫失败是成功之母.因此不要把结果看得那么严重,享受过程就好.

英语作文衡水体范文 第4篇

植物净化技术据原理属生物/生态法分类技术。污染物迁移转化后外移,这是植物净化技术主要作用所含有的内容。植物净化技术的最大优点是可以通过植物的吸收吸附作用,降解、转化水体中的有机污染物,继而通过收获植物体的形式将有机污染物从水域系统中清除出去,因此,可以达到标本兼治的效果。与此同时,植物的存在为微生物和水生动物提供了附着基质和栖息场所。某些植物的根系能分泌出克藻物质,达到抑制藻类生长的作用,庞大的枝叶和根系成为自然的过滤层,能截获大量的悬浮物质等,对水生态系统的物理、化学以及生物特性亦能产生重要影响。

作为完整的水生态系统包含种类及数量恰当的生产者、消费者和分解者,具体地说包括水生植物和鱼、螺、虾、贝类、大型浮游动物等水生动物,以及种类和数量众多的微生物和原生动物等。其中,水生植物是水生态系统中的初级生

水生植物技术用于生态修复阶段,其主要作用:

英语作文衡水体范文 第5篇

My best friend is a loyal and brave boy. When a bully teased me, he came to my rescue right away.

He always remembers my birthday and he is fun to be with.

He tells funny jokes and stories. He always makes me laugh.

Finally, he is a very good listener and he knows how to cheer me up when I'm down.

I hope we'll stay friends forever.

英语作文衡水体范文 第6篇

Students need enough sports and activities to do physical exercises and relax, but in some schools they are not given enough time to do outside activities. Its harmful for students growth. Teachers ask students to spend most of their time on studies. But when they feel tired and bored, students cant concentrate on studies. They are in bad health.

Its necessary to give students enough time to do outside activities. After good relaxation and rest, students will work harder.

Pay attention to students health and growth.

英语作文衡水体范文 第7篇

I always hear about my friends' complaining,they say their income is such low that they can't not make ends first,I would pity for them,but in the long run,I find their work is so easy,they just sit in the office from 9 am to 5 pm,they even don’t need to go out for I see another friend,he works so hard,his working hour is very unstable,sometimes he even works until 9 pm.

The fact is that he earns the most between my is true that no pain,no gain,if people want more,they need to pay out to be envy about other people's great income,we'd better to work hard to realize what we is not short-cut for people to get successful,working hard is the only way.

我总是听到朋友们的抱怨,他们说收入太少了,以至于无法收支平衡.刚开始,我会为他们感到遗憾,但是长期下来,我发现他们的工作很轻松,他们在办公室里朝 九晚五地坐着,甚至不需要外出跑业务.然而我看到了另外一个朋友,他很努力工作,工作时间不稳定,有时候甚至于工作到晚上九点.事实上,他是我朋友之中赚 得最多的.没有付出,就没有收获,确实如此,如果人们想要更多,需要付出更多.与其羡慕别人的.高收入,不如努力工作来实现我们想要的.成功没有捷径,努力工作是唯一的方法.

英语作文衡水体范文 第8篇

there was a little boy with a bad father gave him a bag of nails and told him that every time he lost his temper,to hammer a nail in the back fence.

the first day the boy had driven 37 nails into the it gradually dwindled discovered it was easier to hold his temper than to drive those nails into the the day came when the boy didn't lose his temper at told his father about it and the father suggested that the boy now pull out one nail for each day that he was able to hold his days passed and the young boy was finally able to tell his father that all the nails were father took his son by the hand and led him to the said,“you have done well,my son,but look at the holes in the fence will never be the you say things in anger,they leave a scar just like this one.

you can put a knife in a man and draw it won't matter how many times you say i'm sorry,the wound is still verbal wound is as bad as a physical are a very rare jewel, make you smile and encourage you to lend an ear,they share a word of praise,and they always want to open their hearts to us.

有一个坏脾气的小男孩.他的父亲给了他一袋钉子,告诉他,每次他发脾气,后面栅栏上钉一个钉子.

第一天,男孩就在篱笆上钉了37个钉子.然后它逐渐减少.他发现更容易保持自己的脾气要比往篱笆上钉钉子.终于有一天,男孩没有发脾气.他告诉了父亲,父亲建议男孩现在每天拔出一颗钉子,他能够保持他的脾气.日子一天天过去,小男孩终于能够告诉父亲,所有的钉子都消失了.父亲拉着儿子的手,带他去篱笆那儿.他说,“你做得很好,我的儿子,但看看栅栏的.洞.篱笆永远不会是相同的.当你发脾气的时候,他们留下的伤疤就像这一个.

你可以把在一个男人和一把刀拔出来.它不会不管你说多少次对不起,伤口依然存在.口头的伤口和身体一样糟糕.朋友是一个非常罕见的宝石,的确.

英语作文衡水体范文 第9篇

Cell phone has been the indispensable part of our life today. For many students, they bring cell phone to school, which annoys many teachers, because the students are not listening to them when they are passing the knowledge. Actually, this situation can't all blame students and teachers have some duty. If they find the attractive way to show knowledge, surely students will focus their attention. It is not possible to ask students to hand in their cell phones, as they get used to using it. Most students will not play cell phone in the classroom, because they know their duty. For the students who can't focus their attention, even without cell phone, they still don't want to study.

英语作文衡水体范文 第10篇

Motto-New Beijing,Great Olympics 口号--新北京,新奥运

Reform and opening up to the outside world have brought about great changes in Beijing,a city with a 3,000-year city has taken on a co mpletely new look as it enters the new will embrace the athletes and friends from the rest of the world attending the Olympic Games with great enthusiasm.

The great modern Olympic Movement has gone through many changes in the past 100 Olympic Games should be held in China,the most populous nation in the world,the Olympic spirit will be even further disseminated and a new page will be turned in the Olympic history; and the Olympic Movement will show its unique splendor to the world in the new

英语作文衡水体范文 第11篇

生活污水是人们平常生活中产生的各种污水的总称,其中包括厨房、浴室等排出的污水和厕所排出的含粪便污水等。除家庭生活污水外,还有各种团体单位和公用事业等排出的污水。而产业废水的特点是量大,成份复杂,难处理,不容易降解和净化,危害性较大。总的说来具有以下特点:悬浮物含量高,可达100-30000mgl;生化需氧量(bod)高,可达200-5000mgl;酸、碱度变化大,ph低至2,高至13;温度高,可高达40℃,造成热污染;易燃,因常含低沸点的挥发性液体,如汽油等易燃污染物易着火成水面火灾;多种多样有毒有害成份如油、农药等。经过分析调查问卷,不丢脸出,未经处理的生活污水排进自然水体会造成水体污染。水污染主要表此刻以下几个方面:

①病原物污染

病原体污染主要来自生活污水、医院污水、垃圾及地面径流等方面。病原微生物的特点是:数目大、散布广、存活时间较长、繁殖速度快、易产生抗性,很难消灭。传统的二级生化污水处理及加氯消毒后,某些病原微生物、病毒仍能很多存活;此类污染物实际上经过量种途径进进人体,并在体内生存,引发人体疾病。

②需氧有机物污染

有机物的共同特点是这些物资直接进进水体后,经过微生物的生物化学作用而分解为简单的无机物资二氧化碳和水,在分解进程中需要消耗水中的溶解氧,在缺氧条件下污染物就发生x解、恶化水质,常称这些有机物为需氧有机物。水体中需氧有机物越多,耗氧也越多,水质也越差,说明水体污染越严重。

③富营养化污染

富营养化污染是一种氮、磷等植物营养物资含量过量所引发的水质污染现象。水生生态系统的富营养化能经过化学污染物由两种途径发生:一种是经过正常情景下限定植物的无机营养物资的量的增加;另外一种是经过作为分解者的有机物的增加。

④恶臭

恶臭是一种普遍的污染危害,它也发生于污染水体中。人能嗅到的恶臭多达4000多种,危害大的有几十种。恶臭的危害表现为:妨碍正常呼吸功能,使消化功能消退;精神烦躁不安,工作效力下降,判定力、记忆力下降;长时间在恶臭环境中工作和生活会造成嗅觉障碍,损伤中枢神经、大脑皮层的兴奋和调理功能;某些水产品染上了恶臭没法食用、出售;恶臭水体不能作游泳、养鱼、饮用,而破坏了水的用处和价值;还能产生硫化氢、甲醛等毒性危害。

⑤酸、碱、盐污染

酸、碱污染使水体ph发生变化,破坏其缓冲作用,消灭或抑制微生物的生长,妨碍水体自净,还可腐蚀桥梁、船舶、渔具。酸与碱常常同时进进同一水体,中和以后可产生某些盐类,从ph值角度看,酸、碱污染因中和作用而自净了,但产生各种盐类,又成了水体的新污染物。由于无机盐的增加能提高水的渗透压,对淡水生物、植物生长有不良影响,在盐碱化地区,地面水、地下水中的盐将进一步危害土壤质量。

⑥地下水硬度升高

高硬水,异常是永久硬度高水的危害表现为多方面:难喝;可引发消化道功能紊乱、腹泻、孕畜流产;对人们日用不便;耗能多;影响水壶、锅炉寿命;锅炉用水结垢,易造成爆炸;需进行软化、纯化处理,酸、碱、盐流失到环境中又会造成地下水硬度升高,构成恶性循环。

⑦有毒物资污染

有毒物资污染是水污染中异常重要的一大类,种类繁多,但共同的特点是对生物有机体的毒性危害。

水体污染对人体健康及水生生物的影响十分大。人喝了被污染的水或吃了被水体污染的食品,就会对健康带来危害。因污染物排进水体后,水生动物、植物就会渐渐对其吸收并在物体中有所积累。假如是急性中毒则会使生物很快死亡,这会引发人们的留意,可是很多情景下水体中的中毒则是慢性的',常常不能被人所留意,假如人吃了这些食品,会使毒物在人体内进一步积累,长时间下往人们得病则属必定。

英语作文衡水体范文 第12篇

Due to the increased enrollment of college students in recent years,the total number of graduates coming out at the same time is such that many college graduates have difficulties in procuring jobs,especially when the economy is suffering then many scholars suggest that colleges should lay emphasis on vocational training by setting relative courses in the college curriculum so that graduates are more likely to be the employers' requirement into consideration,that is,working experience,the suggestion seems think,even if universities become vocation-oriented,it can not serve well for the vocational orientation will do harm to the higher education.

最近几年,随着大学生人数的增多,同时,大学毕业生的人数也在增加,许多应届毕业生很难找到工作,特别是在经济发展缓慢时期尤为如此.许多学者建议大学应该注重的是职业培养,并在大学课程中建立相关课程,这样,毕业生才更有可能找到工作.我们需要把雇主的要求考虑进内,这样的话,这样的建议是很有道理的.但是,我认为如果大学变成了以职业化教育为主的学校,那么这反而不利于找工作.此外,以职业化教育为中心的教育将会损害高等教育的发展.

Firstly,the suggestion seems to be based on the fact that new college graduates may have learned mountains of theories but lack practical accord with this suggestion,if college students have received enough vocational training and gained experience in internship,they are likely to get is crucial for new graduates to hunt the suggestion does not take into account job vacancies in the China's economy keeps growing at a rate of about 9% in the recent and the number of jobs does increase,too many graduates coming out at a time will create great pressure for the job an official stated,“the grand college enrollment plan is one of the main reasons for the current unemployment issue”.Therefore,even if college students have enough experience and skills,will they succeed in procuring jobs when there are no positions available at all?

首先,这样的建议似乎依据的`是,许多应届生或许已经学习了大量的理论知识,但是他们缺乏的是实际的能力.根据这样的建议,如果大学生接受了职业化教育,并在实习过程中获得了许多的经验,那么,他们很有可能找到工作.毋庸置疑,对于应届生而言,自我发展对于找工作尤为重要.但是,这样的建议并没有把眼前的工作空缺考虑进内.尽管,中国最近的经济速率保持在9%左右,就业机会也大大增加,毕业生将会为市场增加更多的压力.就像官方所说,”扩招是目前失业的主要原因之一”.所以,即使学生拥有足够的经验和技能,但是,当没有工作空缺时,他们还会找到工作吗?

Secondly,vocational orientation is to the detriment of the higher learning in the long us begin with the difference in goals between university and vocational college students may decide to finish his studies after graduation or may continue at a higher level,university courses should thus provide both basic knowledge and a sound basis for further vocational training,the goals of a given course are distinct,that is,the course is designed to teach trainees basic knowledge and consequence,if universities are vocation-oriented,students at college can not get prepared in class for a higher level ofl pyramid of higher learning will crumble if universities can not produce enough qualified students.

第二,从长远来看,以职业化为中心的教育会损害高等教育的发展.让我们先从大学和职业教育的不同说起.毕业之后,许多应届生会寻找工作,或是继续进行学习,大学课程应该既教授基本知识,也要为将来的学习做好基础.在职业教育中,课程学习的目标将会不同,即,课程的目的是教授学生基本的知识和技能.所以,如果大学是以职业培训为主的教育,那么,大学生就没办法为更高一级的学习做准备.人们可以预想到,高等教育的金字塔将会倒塌,前提是,如果大学没办法产生更多高质量的学生的话.

In conclusion,vocation-orientation may help improve graduates' skills but it can not increase the number of available suggestion just offers a wrong remedy,and will do harm to the higher learning.

总结,以职业化教育为中心的教育会帮助毕业生提升技能,但是,这却无法增加现有的工作空缺.这样的建议是行不通的,并将损害高等教育的发展.

英语作文衡水体范文 第13篇

Summer holiday has already happy am I!The favorite thing I wanna do is joined an outdoor club and went to the seaside in Zhejiang province with other July 20,we started our journey at 21:00 in the was so sleepy that I fell asleep in the someone was pushing opened my eyes and a beautiful sea was right there.

What a beautiful place!We swam in the sea and played beach wind,the sunshine,the blue sky and the happy boys and girls formed a wonderful picture!At noon,we cooked seafood like crabs,shrimps,seashells and so are all so mouth is now watering will never forget such interesting expirence.

英语作文衡水体范文 第14篇

Success,as is known,is the pursuit of many ambitious requires much of a person.

In my view,above all,one should be a person of strong was not built in a our long way to success,there are undoubtedly many difficulties standing in the we lose heart and give up halfway,nothing can be history,we have had many famous successful people in the world,of whom no one is the great American scientist Edison as an example,he tried experiment after experiment and had one failure after another before he finally invented the bulb,which lighted up the whole we can conclude perseverance can surely be one of the secrets of needs to work hard to realize his dream just as the famous saying goes “Hard work leads to success”.

Look at these around us and we’ll find diligent people are always the favor of our usually achieve more than do so many of our classmates of average intelligence go far ahead of others? Hard work is definitely supposed to be the still,I hold that one must keep in pace with the informative ’s no denying that our world is changing every one can never be locked alone inside his own room,doing his research work and dedicated to book knowledge.

How can an isolated person be well-informed enough to go ahead of others? If so,that could be is what one long as one is perseverant,hard working and up-to-date,I am sure success is near at hand.

英语作文衡水体范文 第15篇

①引水换水用“以清释污”方法对污染水体进行稀释,可以使水体黑臭关键性水质指标总磷和有机物污染指标、高锰酸盐指数浓度等有所下降。但对于蓄水量较大的水域,补水量太小起不到净化效果,而提高补水量又造成水资源的大量浪费,费用高昂。所以“引水释污”只是起到一个“治标不治本”暂缓效果,对于富营养化严重的湖泊,采用“引水释污”不是一个长久之计。②底泥疏浚“清淤挖泥”可减少积存湖内的大量有机碳、氮、磷等营养物质,增大湖的蓄水量,是减少内源性污染、减轻水体黑臭的有效途径和措施。但是大规模清淤,可能会破坏湖泊原有的生物种群结构和生境,削弱其自净功能,对生态修复带来负面影响。

英语作文衡水体范文 第16篇

With the development of living standards,going out to have a tourism is becoming a part of our at the same time,uncivilized behaviors in tourism are frequently cultural tourism has became a hot topic in the society.

Especially in vacations,phenomena of uncivilized behavior in parks or museums in foreign countries,our Chinese citizens still do naturally,it seriously affected our country's course,it has caused bad loss in ancient buildings and antiquities and our it's urgent to advocate to have a cultural tourism.

Firstly,we should keep in mind the sense of protecting the when we have a tourism,we had better watch out the warning words carefully and then obey the the sake of ourselves and our country,let's do some meaningful things for cultural tourism.

英语作文衡水体范文 第17篇

The first fall of snow is not only an event but it is a magical go to bed in one kind of world and wake up to find yourself in another quite different,and if this is not enchantment,then where is it to be found?

The very stealth,the eerie quietness,of the thing makes it more the snow fell at once in one shattering crash,awakening us in the middle of the night the event would be robbed of its it flutters down,soundless,hour after hour while we are the closed curtains of the bedroom a vast transfbrmation scene is takiag place,just as if a myriad elves and brownies were at work,and we turn and yawn and stretch and know nothing about then,what an extraordinary change it is!It is as if the house the inside,which has not been touched,seems different,every room appearing smaller and cosier,just as if some power were trying to turn it into a woodcutter’s hut or a snug the garden was yesterday,there is now a white and glistening level,and the village beyond is no longer your own familiar cluster of roofs but a village in an old German fairy-tale.

You would not be surprised to learn that all the people there,the speetacled postmistress,the cobbler,the retired school master,and the rest,had suffered a change too and had become queer elvish beings,purveyors of invisible caps and magic yourselves do not feel quite the same people you were could you not when so much has been changed? There is a curious stir,a little shiver of excite-ment,troubling the house,not unlike the feeling there is abroad when a journey has to be children,of course,are all excitement but even the adults hang about and talk to one another longer than usual before setting down to the day’s can resist the is like being on board a ship.

英语作文衡水体范文 第18篇

曝气复氧对消除水体黑臭的良好效果已被国内一些实验室试验及河流曝气中试所证实。其原理是进入水体的溶解氧与黑臭物质(H2S,FeS等还原物质)之间发生了氧化还原反应。对于长期处于缺氧状态的黑臭河流,要使水生态系统恢复到正常状态一般需要一个长期的过程,水体曝气复氧有助于加快这一过程。由于河道曝气复氧具有效果好、投资与运行费用相对较低的特点,已成为一些发达国家如美国、德国、法国及中等发达国家与地区如韩国、香港等在中小型污染河流污染治理经常采用的方法。对于污染情况严重,污染长期排入的水体需配合生物方法及生态措施,因此,可做为辅助生物—生态修复的方法之一。

英语作文衡水体范文 第19篇

It is well-known that water isindispensable in existing, in producing and in living. And we should not wasteof a drop of water.

众所周知,在生产和生活中水是必不可少的。我们不应该浪费一滴水。

First, water isdefinitely important for life. As is known to us all, water is necessary tosupport life. Without water, human beings, animals and plants cannot exist atall.

首先,水对生命是非常重要的。众所周知,水是维持生命所必需的。没有水,人类,动物和植物都不复存在。

Second, water is also significant forproducing. For one thing, industrial production needs a lot of water, such asusing water to generate electricity. For another, agricultural production isalso in need of water, especially in irrigation.

第二,水对于生产也具有重要的意义。一方面,工业生产需要大量的水,如,用水发电。另一方面,农业生产也需要水,特别是在灌溉方面。

Finally, water is indispensable in life. Inour daily life, we are not able to finish many things without water, such ascooking and washing.

最后,水在我们生活中是不可或缺的。在我们的日常生活中,没有水,很多事情我们都无法完成,如做饭、洗衣服。

To sum up, water is absolutely significantfor our living, for producing and for living. Therefore, we need to make fulluse of each drop of water and form a habit of saving water.

总之,水对我们的生存,生产和生活是非常重要的。因此,我们要充分利用每一滴水,养成节约用水的习惯。

英语作文衡水体范文 第20篇

In my family,there are only three people,my parents and of my parents’ work,they could only have one child at that time,so I don’t have any felt so lonely when my parents went out for their the government changed their policy,people can have the second some people refuse because they think they can’t afford it.

Despite the expense,there are many advantages to have the second one thing,the only child can have someone company,so they won’t feel lonely on the process of growing another thing,two kids will help each other,they can share things to share things is a very important lesson for Chinese tradition,more kids,more better,but I think two are perfect for the family.在我的家庭,只有三个人,我的父母和我.因为父母的工作,他们只能有一个孩子,所以我没有任何的兄弟姐妹.我感到孤独,当我父母出去工作了.现在政府改变了政策,人们可以有第二个孩子.但有些人拒绝,因为他们认为他们负担重.不考虑花费,生二孩有很多好处.首先,独生子女有伴,因此在成长的过程中不会感到孤独.另一方面,两个孩子会互相帮助,他们可以一起分享东西.学习分享事物对孩子来说是一个非常重要的.课程.在中国的传统中,越多孩子越好的,但我认为两个孩子对一个家庭来说是最好的.

英语作文衡水体范文 第21篇

March 12th is Tree Planting Day. This year our school bought enough trees before that day . On that day , we didn't had classes . The teachers and our classmates planted trees around our school.

We began to planted trees as soon as we got to school . some students dug the holes . Some students put the trees into the holes.

Some students put the earth back to the holes. Then we pushed the earth hard with our feet . At last we watered the trees as much as possible.

From then on we looked after the trees carefully and the trees grew very well . It made our school more beautiful .And How happy we are !

英语作文衡水体范文 第22篇

When summer holiday comes, I always go back to my hometown and spend the time with my grandparents. I like the life there, it is so simple and happy. Living in the countryside, I feel the peace in my heart. It seems the days become longer. In the morning, I hear the cock make out the sound, as if it is singing, then I wake up. Sometimes I will go to the mountain and I can hear some birds singing. I enjoy listening to these birds' sound. I am so close to the nature. I love everything that the nature brings. The green tree, the colorful flower, the clean water even the fresh air. I find its beauty.

英语作文衡水体范文 第23篇

We all value the time we spent in high studies,there seems to be a lot I really want to do before graduation.

In order to leave school with no regrets,I’ll make the best of my time to go over the lessons and spare no effort to realize my dream of entering a good think it necessary for me to have a heart-to- heart talk with whoever might have misunderstood me,for I do treasure addition,doing something for my class and my school is also included in my all,I’d like to express my gratitude to all the teachers with whose help I have make continuous progress in the past three years and my parents who have taken so good care of would like to take some photos of my teachers,classmates and school as reminders.

英语作文衡水体范文 第24篇

防治水体污染已成为环境保护的重中之重,经过分析,参考徐庄镇及三堡镇现有的环保设施,队员们提出了以下几种措施:

①建立生物氧化塘

在实践中,我们发现黄桥村在水体污染防治方面做得很好,他们采用了生物氧化塘,利用高科技援用生物防治法,防治水体污染,且已获得明显效果。据当地村干部先容,几年前村庄的水体污染严重,河里的水基本上都是玄色的,严重影响农业浇灌。此刻黄桥村经过特殊的渠道,将生活污水及产业废水引到生物氧化塘,经过微生物的降解等将污水变净水。同时采取,工厂就近原则,行将污染较严重的板材厂等建在氧化塘旁边,能够随时处理。我们以为此种方法十分值得其他村庄鉴戒。

②利用高科技,采用新装备

首先应改革生产工艺和装备,减少污染物,避免废水外排,进行综合利用和回收;必须外排的废水,其处理程度应根据水质和要求选择。一级处理主要分离水中的悬浮固体物、胶体物、浮油或重油等。可采用水质水量调理、自然沉淀、上浮和隔油等方法。二级处理主要是往除可用生物降解的有机溶解物和部份胶体物,减少废水中的生化需氧量和部份化学需氧量,通常采用生物法处理。经生物处理后的废水中,还残余相当数目的cod,有时有较高的色、嗅、味,或因环境卫生标准要求高,则需采用三级处理方法进一步净化。三级处理主要是往除废水中难以生物降解的有机污染物和溶解性无机污染物。经常使用的方法有活性炭吸附法和臭氧氧化法,也可采用离子交换和膜分离技术等。各种化学产业废水可根据不一样的水质、水量和处理后外排水质的要求,选用不一样的处理方法。

③釜底抽薪,提高人们环保意识

俗语说“治标不治本,是不管用的”,也就是说要避免水体污染就要从源头着手,而不管何种污染,回根究竟是人们自我酿成的,所以要根治必须要提高人们的环保意识。村政府应当提高宣传的力度,同时对污染严重或污水超标的工厂,应当给予严重的处罚。

英语作文衡水体范文 第25篇

噢。你的那些劣势。你的数学,从这次你填的作业来看,你并没有很好地把基础知识掌握,因为,你从心里上在排斥着它,马上跳过去去做大题了,而且并没能第一时间,没能在三分钟内完成一道选择题,但是,待你后来心情好的时候再去填的时候,你填的很棒,并没有那么糟糕。因此,在填数学卷的时候,请你一定记住,你的效率,你的高效。

填数学的时候,思路想休息的时候,就想想,你是一个被打击过的人,别再让数学拖你分了,它没有那个资格!记住记住,填的时候,你的思维一定要悦动起来,绝对不要发呆,因为你一发呆,时间肯定不够的。同时,填了那么多次卷子,记住,三分钟内没有解决的,马上跳过,不要再重蹈覆辙,导致后面的没有时间填或者填的匆忙丢的分比捡回来的分还要多,真是得不偿失。

还有一个,你知道你上次数学败得灰头土脸的重要原因是什么嘛?你的计算。明明可以口算的题,你却一定要在草稿纸上写,何必呢?相信自己。你的心算能力还是不差的,不要被数学打败,不要因为数学不好就否定了自己的心算能力,因为我知道,每次你在心算的时候,你的心情都是悦动的,你的心情都是非常好的,因为我知道,每次你心算的时候,你都是主动学习的,而不是被动地学习,同样,你在心算的时候,你的脑子转的特别快,你不觉得吗?因此,不要连非常简单的12×13还要笔算,真的浪费时间,而且还不知不觉中让你思维死了。

紧接着,你可以选择先做大题,因为你更喜欢做大题,因为你喜欢很有规律的开始,草率地结束,而大题要求的是书面,因此,我允许你先做大题。不要再去关心时间,也不要再因旁边的人刷刷的笔声而心慌,你一慌,你的思路就没了。你只要保证你的正确率和效率,你就不会输,因为,其实在整个年级,大家的水平几乎都是一样的,唯一不一样的,就是在考试的时候的心态还有心情,因此,不要怀疑自己的能力,不是别人让你慌,而是你给别人安全感。

接着,不要糊涂。真的不要糊涂,不要明明想着这一道题,却马上地想要跳过进入第二道题!

哦了,信心,我想,你不会差。就像爸爸说的,你打的基础坚固就不会怕风吹和雨打!你不会差,因为,你可以比老师更快速地解决一道难题,因此,证明你的IQ是没有问题的,唯一有问题的是,你的心态!

so, 不要慌,要悦动!

英语作文衡水体范文 第26篇

The love of beauty is an essential part of all healthy human is a moral absence of it is not an assured ground of condemnation,but the presence of it is an invariable sign of goodness of proportion to the degree in which it is felt will probably be the degree in which nobleness and beauty of character will be attained.

Natural beauty is an all-pervading universe is its unfolds into the numberless flowers of waves in the branches of trees and the green blades of haunts the depths of the earth and the gleams from the hues of the shell and the precious not only these minute objects but the oceans,the mountains,the clouds,the stars,the rising and the setting sun---all overflow with beauty is so precious,and so congenial to our tenderest and noblest feelings,that it is painful to think of the multitude of people living in the midst of it and yet remaining almost blind to it.

英语作文衡水体范文 第27篇

生物—生态水体修复技术主要是利用天然存在的微生物,在人为的干涉下,在一定的生存环境条件下,经过原位培育,增加微生物活性能力,通过微生物生命活动,将有机物转化为无机物,逐步恢复水生生态系统,目标是恢复水体的自净功能。

生物—生态水体修复技术治理污染水体方法很多,如建造人工湿地、生物氧化塘、生物滤床、生物激活剂等,但其核心内容就是利用载体将有益微生物培育成优势群落,激活其活性能力。由于水体污染成因不同,有害物质的成份也多样性,在治理污染水体的技术上采用单一的技术是很难治理污染的水体,必须有针对性的、采用综合性的技术。在实践中将物化(人工增氧)和微生物栽培技术相结合,整治景观河道是比较理想的方法。这在国内外已有很多案例。

衡水湖湿地的生态环境由于水资源的限制,具有相当大的脆弱性,应当加强管理.在今后的发展中,应该注意以下几点.

(1)加强引水水源水质及衡水湖湖水水质的监测;加强衡水湖湿地中动、植物资源的调查、监测,并了解生物资源与水质之间的关系,以便为衡水湖的发展决策提供坚实的理论依据.

(2)科学地确定保护区的生态需水量,遏制衡水湖湿地因缺水导致湿地生态退化,合理协调经济发展与生态保护之间水资源的利用,实现水资源的恢复以及湿地生态系统安全.

(3)规范衡水湖湿地生态旅游的空间及项目发展,及相关服务行业的发展,为保护衡水湖湿地的良好的生态服务,为本地的经济发展助力.

(4)做好宣传,使大众认识到衡水湖对于环境的重要性,生物多样性是衡量一个环境好坏的重要指标.发挥衡水湖湿地的生态服务功能:科考旅游功能、水调节功能、生物多样性维持功能、物质生产功能和气候调节功能,以保证其健康良性的发展.

(5)加强衡水湖湿地管理部门的管理功能,特别是相关部分的齐抓共管;同时,加强衡水湖湿地生态保护,补偿机制的建设,使其各项管理都做到有章可循.

英语作文衡水体范文 第28篇

It gradually turns sunlight is no longer so strong and the cicadas have stopped hot summer went by at favorite season in the year is coming.

Everywhere we can see the scene of bumper crops: on the fields is golden rice,on the trees are ripe farmers faces are full of are now expecting a good harvest through a summer's hard work.

The autumn evening is especially the setting sun goes slowly down to the west,the sky over the mountains is covered with red rays of evening sunlight,which shines upon the blue sky and floating clouds,just as the maple leaves fall onto the sky.

It is getting cool at wind blows,the moonlight shines on the ground,the frogs croak and insects chirp in the a situation will make you forget all the unhappy things in the daytime.

I love the beautiful season.

英语作文衡水体范文 第29篇

Recently,it has been reported that a college student went to Guangzhou for travel,but she missed,finally,the policeman found her is so terrible,this incident warns people to protect themselves,especially for the ’d better travel with friends.

Traveling alone is very popular among the young people,because they are independent and chase for freedom,so they like to go without they are easily becoming the gangster’s someone accompany not only can share the opinion,but also can be is better not to go to the place which is dark and less bad guys like to choose this place because they will not be noticed and are easy to do the criminal need to learn to protect ourselves,life is precious.

最近,新闻报道说一名大学生去广州旅游,但是失踪了,最后,警察发现了她的尸体.这是多么可怕啊.这样的事故警告人们要保护自己,特别是女孩子.第一,我们最好和朋友旅行.独自旅行在年轻人当中很流行,因为他们独立,追求自由,因此他们不喜欢和朋友走.这样他们很容易成为歹徒的目标.因此,有人陪伴不仅能彼此交流,还能变得安全.第二,最好不要去黑暗和人少的地方.坏人喜欢选择这样的'地方,因为没有什么人会注意到他们,方便他们犯罪.我们需要保护自己,生命是很可贵的.

英语作文衡水体范文 第30篇

根据2007年,xx市水务局关于《xx市水库水质管理现状调查》显示,348座水库中,有300余座水库与承包户签订了水库承包养鱼合同,占总数的86%,合同年限短的有5年,长的有20-30年。由于以前推广肥水养鱼,致使水体水质改变,加之周边农户施肥种植和养殖家禽,化学肥料和牲畜粪便随着水库集雨而沉淀到水库库内,导致水库水质加速恶化,水污染形势严峻,我市降雨量偏少,水体未得到有效的交换,也是导致水库水质恶化的原因。

污染源分析

水库水质污染主要分为两类:一类是自然污染,另一类是人为污染。

自然污染。自然污染主要是由地表径流形成水体过程中产生,以及水体承载物性质所决定。

英语作文衡水体范文 第31篇

Tennis is more and more popular in China,and many teenagers have noticed this game and appreciate its a tennis athlete is not we see the top ten players have won fame and money,it is not easy for them to get this Li Na retired,people were waiting for the next two years,Zhang Shuai started to be noticed,and she became the best female tennis player in was not the young player,and she have played tennis match for a long time,but she just couldn’t make the even decided to give up,but Li Na told her to give herself one more she insisted,finally,she made the great breakthrough and beat many top player in the grand slam.

Sometimes when you think you should give up,but it is not the time,just keep on and you can see the sunshine.

英语作文衡水体范文 第32篇

Sea pollution is becoming an increasing problem for our planet and we have a responsibility to reduce sea pollution.

I need to describe the ship currently dumps all its rubbish into the 's easy to result in huge endanger.

First of all,Non-organic substances such as plastic bags kill fish and fish get trapped and whales cannot digest some rubbish is inherently toxic.

I can suggest some and foremost we can create a better system of disposing of rubbish for instance.

We ought to store are supposed to make ships environmentally and friendly.

A case in point is that we should stop providing plastic bags.

We must act now before it is too late!

英语作文衡水体范文 第33篇

Many students are going spring students are some students are having a others are playing is a girl siting on a chair reading a sky is trees are flowers are a very beautiful park What is the most popular gift for Mothers Day? Cards,flowers and food are the most popular Mothers Day gifts this out of 10 Americans celebrate Mothers Day and spend nearly $$100 on average.

英语作文衡水体范文 第34篇

We are now living in a common is the provides us with enough food,enough water and enough living we must do everything to protect are lots of big or small,red or green,beautiful gardens around us .But there are still some other lands bare of grasses or trees on the earth.

Some people may ask why not led all lands covered with trees,flowers and grasses? Why not prevent the lands from being desert? Why not prevent the air from being polluted? And why not prevent the earth from being poisoned? Yes!Our environment is being polluted faster than nature and man’s efforts can is bring us more people,and more people will bring us more many trees will be cut down,and more large cities will be set of waste material,in return,is produced and harms the some experts declare that the balance of nature is being survival of man is in danger.

We feel really sad about can we do to solve this problem? We must forbid cutting down trees and forbid killing animals and pouring waste water into rivers and so ’ll never destroy the balance of ’s get along well with all the trees,flowers and grasses come back to our we have only one home --- the earth.

我们现在生活在一个共同的家.那就是地球.她为我们提供了足够的食物,足够的水和足够的生存空间.所以我们必须尽可能地去保护她.在我们身边有很多大大小小,色彩鲜艳的美丽花园.但是地球上仍然有一些土地很荒芜.

有些人会问为什么不把所有土地都种上树,花和草?为什么不阻止土地沙漠化?为什么不阻止空气被污染?为什么不阻止地球被毒害?是的!我们的环境受污染的速度比自然和人的努力防止要快得多.时间带给我们更多的人,更多的人会给我们带来更多的工业.所以很多的树木会被砍伐,更多的大型城市会被设立.作为回报,大量的垃圾会产生从而危害环境.所以一些专家们宣称自然界的'平衡正在被破坏.人类的生存很危险.我们对此感到很难过.

我们能做什么来解决这个问题?我们必须禁止砍伐树木,禁止捕杀动物,禁止把废水倒入河流等.我们再也不能破坏自然的平衡.我们应当和多有的动物和谐相处.让树,花和草回到我们的家园.因为我们只有一个家园--地球.

英语作文衡水体范文 第35篇

大量调查表明,对水库的水环境污染进行有效治理的前提是控制污染源,只有外源得到了有效控制,作为末端治理技术的水环境污染治理才能见效,不然只能起到事倍功半的效果,甚至徒劳。

国家通过大量研究与实践,已明确水环境污染实际上是典型的生态问题,因此,在对污染水域进行治理时,用生态学方法使生态问题得到最终解决。

近年,强调治理与生态修复相结合,甚至更加强调生态修复的作用。目前,国际上的污染水域治理与生态修复技术可分为物理法、化学法和生物/生态法三大类。其中的技术名称包括底泥疏浚、人工增氧、生态调水、化学除藻、絮凝沉淀、重金属化学固定、微生物强化、植物净化、生物膜等。

英语作文衡水体范文 第36篇

First and foremost,I have a is my dog,It is name is coco,It is color is as white as snow,and have a two big is very nice and makes me stress reliever,and forget about the busy thing in the example,when I feel sadness,it? will accompany with me,I will talk about my feeling,

not only share happy thing,but also share upset also lets me have a comfortable.

By the way,when I go out,coco in order to wait me at the it very addition,in order for the dog can make some new friends,I will help it to join many as when I often take a walk with Coco,it will very it can make some news friends.

Last but not least,my dog makes me so happy,it can make me reduce an anxiety.

英语作文衡水体范文 第37篇

底泥疏浚是在水库污染治理过程中普遍采用的措施之一。一般而言,疏浚污染底泥意味着将污染物从水域系统中清除出去,可以较大程度地削减底泥对上覆水体的污染贡献率,从而起到改善水环境质量的作用。

就疏浚技术现状来看,主要包括工程疏浚技术、环保疏浚技术和生态疏浚技术三类。就技术的成熟度和采用率而言,其中的工程疏浚技术居首位;环保疏浚技术是近年开发

并且已进入大规模采用阶段的成熟技术;生态疏浚技术则是最近提出并且在局部实施的新技术。

就实施疏浚技术对水环境质量的改善效果来看,由于工程疏浚技术以往主要是用在为了疏通航道、增加库容等目的而进行的疏浚,长期的实践证明其效果欠人意;环保疏浚是以清除水域中的污染底泥、减少底泥污染物向水体的释放为目的的技术,其效果因此明显优于工程疏浚技术,而有较高的施工精度,能相对合理的控制疏浚深度,能较大幅度地减少疏浚过程中的污染是环保疏浚技术的特点;生态疏浚是以生态定位修复为目的的技术,以工程、环境、生态相结合来解决河、湖、库可持续发展,其特点是以较小的工程量最大限度地清除底泥中的污染物,同时为后续生物技术的介入创造生态条件。

然而,据日本等发达国家的实践,就特定的水体而言,是否需要对其底泥进行彻底的疏浚,或者疏浚到什么程度,还需要进行细致周密的研究论证,并且应做到视区域的污染程度、性质和疏浚目的而定,不宜一概采用,因为大规模的底泥疏浚不但需要大量资金来支持,而且被清除的污染底泥的最终处理也是一个棘手的问题。

英语作文衡水体范文 第38篇

Since I go to high school,I feel the great school is the very important period of my life,because if I study well,I can enter into my the ideal college and have the bight I want to do my best,I don’t want to lag problem is that I can’t always be the top student,sometimes I will fail the that time,I need to adjust myself and take easy.

The way for me to relax is will listen to the the music can smooth my heart,it helps calm down,so I will get out of the like to do some sports,such as jogging,basketball and these sports also helps me let out my bad emotion and I become energetic again.

自从我上高中,我就感受到了很大的压力.高中是我生命中很重要的'阶段,因为如果我学得好,就能进入到理想的大学,有一个光明的前途.因此我想要做到最好,我不想要落后.问题就是我不可能一直都是尖子生,有时候我考试也会失败.在那个时候,我需要调整自己,并且放松.我放松的方法是多样的.第一,我会听音乐.听音乐能让我的心顺畅,也帮助我冷静下来,这样我就能把烦恼抛去.第二,我喜欢做一些运动,比如慢跑,篮球和网球.做这些运动能帮助我释放不好的情绪,再次变得活力四射.

责任编辑:admin