英语专业四级议论文作文范文大全

Teacher’s Day ：向老师致以节日的问候。回忆件老师的教诲中难忘的事情。我如何报答老师。范文： This is Teachers’ Day and a time to be grateful to all This profession deserves the special recognition and There is no more appropriate time than this to honour you and others in your chosen You have my eternal Have a happy Teachers’ D The whole secret of the teacher’s force lies in the conviction that men are Teacher， who educate children， deserve more honor than parents， who merely gave them birth; for the latter provided more life， while the former ensure a good What sculpture is to a block of marble， education is to the My heart felt thanks to you， dear On the voyage of life， you have kindled the light of hope for What you have done enriches my mind and broadens my On this day I honour you 作文地带提供参考翻译：今天是教师节，是我们向所有老师送出祝福的日子。教师这一职业应当受到特别是认识和尊重。没有比今天更适合的时机来表达对您的赞美。我们永远都感激您，节日快乐。教师的力量在于这样一个信念：人是可以改变的。教师应该得到比家长更多的尊重，因为家长只是给了我们生命，但教师却为我们铸就了生活之路。教育之于灵魂，犹如雕刻之于大理石。我深深地感谢你，老师！在我生命的航程中，您为我点亮了希望的灯盏。您丰富了我的思想，开阔了我的视野。今天我衷心地感谢您。没有人比您更应该得到这样的感谢。Directions: For this part， you are allowed 30 minutes to write a short essay entitled Should the University Campus Be Open to Tourists? You should write at Least 120 words following the outline given below : 1．名校校园正成为旅游新热点 2．校园是否应对游客开放，人们看法不同 3．我认为……范文 Should the University Campus Be Open to Tourists? One can always find visitors taking pictures and enjoying the scenery in university During the May Day Holiday， National Day Holiday， summer and winter vacations， many University campuses become popular tourist In my opinion， university campus should be open to In fact， there are many royal gardens and parks， all of them obviously better than the scenery in the U Why do you think people prefer visiting here with their children? That is because it is a dream goal for many Chinese parents and young ambitious Besides this， as more tourists come to visit universities， these universities can widen their influence as well and they can also make some profit from the In a word， I think the university compus should be open to the tourists。作文地带提供参考翻译：校园是否应对游客开放？如今在大学校园内随处可见各式各样的游客观光拍照。在五一，国庆，寒暑假期间，许多大学校园成为受人欢迎的旅游点。在我看来，校园应当对游客开放。事实上，有很多比校园内更好更大的公园。为什么人们偏偏喜欢带着他们的孩子去游览校园呢？原因就在于这儿是每个中国父母和青年学生的梦想之地。除此之外，随着更多的游客参观校园，校园的知名度和影响力能得到提升，学校也能从中获得一定的收益。总而言之，我认为大学校园应当对游客开放。Directions: For this part， you are allowed 30 minutes to write an essay entitled Limiting the Use of Disposable Plastic B You should write at Least 120 words following the outline given below: 1．一次性塑料袋曾广泛使用 2．由此带来的问题 3．限制使用一次性塑料袋的意义范文：Disposable Plastic Bags Nowadays we may find ourselves surrounded by a sea of disposable plastic And recently the problems of using disposable plastic bags have been brought into people’s First of all， the use of disposable plastic bags causes irreversible harm to our As these bags are not biodegradable， they are blocking the drainage system and causing water What’s more， customers using disposable plastic bags may think that they are of great But what they don’t quite realize is that there will be remarkable negative impact on our And sometimes careless disposal of these bags may even poison some innocent In view of the severity of this issue， effective measures have been taken in our There has been a strict limit on the using of disposable plastic bags in supermarkets， which not only enhances people’s awareness on environmental protection but also cuts down the cost of the running of 作文地带提供参考翻译：一次性塑料袋如今在我们周围是一片一次性塑料袋的海洋。最近使用一次性塑料袋的问题引起了人们的广泛关注。首先，使用一次性塑料袋会对环境造成不可挽回的破坏。因为这些塑料袋是不可分解的，它们堵塞排水系统造成水污染。此外，消费者会认为使用一次性塑料袋很方便。但他们没有真正的意识到这将会对我们的身体健康造成很大的伤害。有时对这一垃圾的处理不当会对无辜的动物造成毒害。针对这一问题的严重性，我们国家已经采取了有效的措施。超市对使用一次性塑料袋有了严格的限制，这样不仅加强了人们的环保意识而且降低了商家的花销。Create a green campus 建设绿色校园十分重要绿色校园不仅指绿色环境为了建设绿色校园我们应该范文：Create a Green Campus It is of great importance to make and maintain a green campus in our university or Obviously， a growing number of people are beginning to realize that it is our duty to do that in the present days， since the concept of a green world has become the focus of the society。 The idea of a green campus is beyond a green To begin with， the development on the campus is to be sustainable and Some of the authorities budget should be on how to reduce of the What s more， we d better be aware of the seriousness of pollution around Thus the idea of environmental protection may become a common occurrence in our daily life。 It is necessary that effective actions should be taken to protect our campus from waste and pollution， and hence these activities are to play an increasingly important role in our day-to-day Certainly， there is little doubt that further consideration must be paid to our green campuses。作文地带提供参考翻译：建设绿色校园建设绿色校园非常重要。显然，绿色地球已经成为社会的焦点，越来越多的人开始意识到现如今我们有责任区建设绿色校园。绿色校园不仅指绿色环境。首先，校园的发展是可持续和和循环的。政府应将一部分财政支出用于怎样减少垃圾上。此外，我们必须意识到周围环境污染的严重性。使环境保护成为我们日常生活中关注的事情。我们必须采取一些措施来保护我们的校园免遭污染，这些措施在我们一天天的生活中将越来越重要。当然，毫无疑问为了维护我们的绿色校园还需要更多的保护措施。

一、引出开头1：It is well-known to us that……（我们都知道……）==As far as my knowledge is concerned， …（就我所知…）2：Recently the problem of…… has been brought into ==Nowadays there is a growing concern over ……（最近……问题引起了关注）3：Nowadays（overpopulation）has become a problem we have to （现今，人口过剩已成为我们不得不面对的问题）4：Internet has been playing an increasingly important role in our day-to-day It has brought a lot of benefits but has created some serious problems as （互联网已在我们的生活扮演着越来越重要的角色，它给我们带来了许多好处但也产生了一些严重的问题）5：With the rapid development of science and technology，more and more people believe that……（随着科技的迅速发展，越来越多的人认为……）6：It is a common belief that……==It is commonly believed that……（人们一般认为……）7：A lot of people seem to think that……（很多人似乎认为……）8:It is universally acknowledged that + 句子（全世界都知道）二、表达不同观点1：People's views on……vary from person to Some hold that……However， others believe that……（人们对……的观点因人而异，有些人认为……然而其他人却认为……）2：People may have different opinions on……（人们对……可能会持有不同见解）3：Attitudes towards （drugs）vary from person to ==Different people hold different attitudes towards（failure）（人们对待吸毒的态度因人而异）4:There are different opinions among people as to……（对于……人们的观点大不相同）三、表示结尾1：In short， it can be said that……（总之，他的意思是……）2：From what has been mentioned above， we can come to the conclusion that……（从上面提到的，我们可以得出结论……）3：Taking all these factors into consideration， we naturally/reasonably come to the conclusion that……（把所有的这些因素加以考虑，我们自然可以得出结论……）4：Hence/Therefore， we'd better come to the conclusion that……（因此，我们最好的出这样的结论……）5:There is no doubt that (job-hopping)has its drawbacks as well as （毫无疑问，跳槽有优点也有缺点）6：All in all， we cannot live without……，but at the same time we must try to find out new ways to cope with the problems that would （总之，我们没有……无法生活，但同时我们必须寻求新的解决办法来面对可能出现的新问题）四、提出建议1：It is high time that we put an end to the (trend)（该是我们停止这一趋势的时候了）2：There is no doubt that enough concern must be paid to the problem of……（毫无疑问，对……问题应予以足够重视）3：Obviously ，if we want to do something … it is essential that……（显然，如果我们想要做么事，很重要的是……）4：Only in this way can we ……（只有这样，我们才能……）5：Spare no effort to + V （不遗余力的）五、预示后果1：Obviously，if we don't control the problem， the chances are that……will lead us in （很明显，如果我们不能控制这一问题，很有可能我们会陷入危险）2：No doubt， unless we take effective measures， it is very likely that ……（毫无疑问，除非我们采取有效措施，否则我们很可能会……）3：It is urgent that immediate measures should be taken to stop the situation（很紧迫的是应立即采取措施阻止这一事态的发展）

一、用于作文开头的万能模板：1、Many?people?insist??很多人（坚持）认为……2、A?lot?of?people?seem?to?think??很多人似乎认为……二、引出不同观点的万能模板：1、People?may?have?different?opinions??人们对……可能会有不同的见解。2、There?are?different?opinions?among?people?as??关于……人们的观点大不相同。三、得出最终结论的万能模板：1、Taking?all?these?factors?into?consideration，?we?naturally?come?to?the?conclusion??把所有这些因素加以考虑，我们自然会得出结论……四、提出最终建议的万能模板：1、It?is?high?time?that?we?put?an?end?to?the?（trend）?该是我们停止这一趋势的时候了。2、It?is?time?to?take?the?advice?of??and?to?put?special?emphasis?on?the?improvement?of??该是采纳……的建议，并对……的进展给予非常重视的时候了。如果想快速提高自己的英语水平可以选择英语培训机构，阿卡索外教网，点击蓝字免费领取，阿卡索欧美外教试课：【免费领取，外教一对一精品课程】跟着真人外教一对一学习地道英语。阿卡索提供纯正地道口，10000多位全球外籍教师团队，来自美国、英国、菲律宾等国家，具有国际专业英语教学资格认证TESOL及各行业工作背景。根据中国学生的特点，甄选多年执教经验的优秀外教给每一位学习者带来互动式学习体验，能够采取各类有针对性的教学方式。

我是一名英语过了大学六级的学生，英语作文只用模板写是不行的，分享一些方法你参考一下吧英语的学习方法如下我们来看看英语是由什么组成的。1 字母，2读音，3单词，4语法一一进行解释。 26个字母是组成单词的基本要素之一。 48个音标是单词读音的基本要素之二。上面两个搞定后，就剩下单词与语法了。我们来假设一下，看看哪个更是句子的核心。假设1：如果你对语法不理解，单单靠记忆单词学英语。就会有：give you color to see see（给点颜色你看看）完全是中式英语，外国人是看不懂的。假设2：如果你理解语法。就会有：Because you waited too long to make your move， and now you're in the friend (因为你拖太久才行动，现在只能待在”朋友区”)你就会知道，英语是先做完一个动作再接着做一个动作（以动词为依据）。上面句子第一个动作(动词为wait)：you waited too long（你等待得太久）第二个动作(动词为make)：to make your move(去行动) to是用来隔开两个动作。第三个动作(动词为are)： you're in the friend zone（你待在”朋友区”）。总结显示，我们中国人学英语是缺少一个语感，我们的生活圈子中没有这样的英语交流环境，只能以语法去理解英语句子中的单词排版规律了（通俗地说就是单词在句子中的位置）还有网上的东西让人眼花缭乱，我觉得“英语年华的空间”里面的日志还是不错的，让我受益非浅。我没有过英语六级之前，天天都泡在他的日志里面学习，获得了很多书本上没有见过的英语知识，确实值得英语学习者借鉴学习。“英语年华的空间”。百度一下就可以看到在页面上的第一条了。关于尾声学英语靠的是坚持，不能三天打鱼两天晒网，只要坚持就会看到希望。如果不坚持，一辈子（100年）都学不会，如果坚持，半年后的英语就已经很厉害了。加油，祝你成功！

英语专业四级议论文作文范文

Directions: For this part， you are allowed 30 minutes to write a composition on the topic On a Harmonious Dormitory L You should write at least 120 words following the outline given below in Chinese: 宿舍生活有时会出现不和谐的情况; 一个和谐宿舍生活的必要性; 如何创造和谐的宿舍生活。 On a Harmonious Dormitory Life Dormitory life is an indispensable part of college But sometimes the harmony in the dormitory be disturbed in one way or As is known to all， a harmonious dormitory life is important to college students and benefits all the On one hand， we can have a good rest and put our heart into On the other hand， we will have a good mood and enjoy being There are several ways to create and maintain a harmonious dormitory Firstly， you have to evaluate your life-style and try to get rid of your dirty habits， if there are Secondly， when an annoying situation arises， you’ll just have to learn to tolerate each other and co- Thirdly， you’ll have to share with each other and make good In conclusion， we should try our best to build a harmonious dormitory life for the sake of good study and good 点评：“和谐”成为我们当今社会词频概率最高用词，就社会而言，倡导建立和谐社会；就家庭而言，提倡建设和谐家庭；就校园来讲，则要建立和谐校园；和谐两字似乎无所不在，大学生宿舍生活同样需要和谐。本预测题与四级考试热点密切相关，又为典型的校园生活主题，值得关注。 Directions: For this part， you are allowed 30 minutes to write a short essay on the topic College Students’ Job H You should write at least 120 words following the outline given 近几年出现了大学生就业难的现象产生这种现象的原因（如大学生追求的目标过高，专业不对口等）如何解决这一问题（改变就业观念，大学生再培训等） College Students’ Job Hunting In recent years， college students find it increasingly difficult to get a It sounds strange since young college students are usually intelligent， well-educated phenomenon， aspirant and eager to bring their talent into full Then what underlies the strange phenomenon? There are several reasons for To begin with， nowadays college students aim too All they want are “good” jobs which could offer good salary， comfortable working conditions， high social status among Consequently， most college students are unwilling to accept vacant jobs they consider not “good” Another reason is that there is a big gap between the majors some students study in school and the demands of vacant So companies think some students are not fit for the Solution to the problem requires efforts on both the society and the The companies should value the students， talent and knowledge while the latter should not merely aim at material They should be down-to–earth in building up their Furthermore， they should face their weak points so as to improve themselves and be more 点评：本预测题为社会热点话题。近年来大学生就业难日益成为各级政府及社会各方面关注的焦点，媒体也广泛报道了大学生就业形势严峻，呼吁全社会共同努力；此外，该预测题也与大学生就业密切相关，也是四级作文选题重点之一。 Directions: For this part， you are allowed 30 minutes to write a short essay on the topic of Credit C You should write at least 120 words following the outline given below in Chinese: 越来越多的人使用信用卡，信用卡有哪些好处信用卡的弊端你自己的观点 Credit Cards Personal credit cards are becoming more common in C Banks and other financial institutions are encouraging their customers to change the way they buy Credit cards， otherwise known as “plastic money”， are being offered on very good terms to encourage the Consumers will be able to “buy now， pay later”， and many see this as an But people need to be There are dangers associated with credit Some people find it very easy to exceed their They are tempted to purchase goods that they do not really need， and can become quickly overburdened by The credit cards often charge a high rate of interest， which exacerbates the problems for these However， used wisely credit cards can improve the quality of people’s They can give people access to money to meet sudden unplanned Properly handled， they can let people control their expenditure and the monthly statements provide a record of where their money has 点评：这是一篇议论文，关于信用卡的利弊。可以分成三部分：第一部分，信用卡的好处，比如说应急等；第二部分，信用卡的一些弊端，比如说鼓励一些无用的消费；第三部分：你自己的观点，理性使用。 For this part， you are allowed 30 minutes to write a composition on the topic : How to Keep Psychologically Healthy? You should write at least 120 words following the outline given below in C 1．心理健康问题往往是导致疾病的原因 2．分析人们产生心理健康问题的原因(可从失业、压力过重、缺乏支持、缺乏人际交往能力等方面分析) 3．你认为人们应如何保持心理健康 How to Keep Psychologically Healthy? One in four people will experience some kind of mental problem in the course of a When you fail to manage these problems， they are likely to cause various mental The cause of mental health problems often vary a lot from one case to In today’s society， a good number of people are suffering from heavy Others lack communication In addition， a lot of people are ignorant of psychological knowledge about how to keep mentally There are a lot of ways to curb mental health problems and keep psychologically Firstly， find the real cause of your mental health problem and see whether you can do something about Secondly， learn to relax yourself and take exercises to release the Lastly， you may find it helpful to talk to your partner or friend about your problem， or seek support and advice form a psychological consultant 点评：据报道北京高校100多万名在校大学生中，已经有14名自杀身亡。而去年全年，北京自杀死亡的学生为19人。社会对于大学生心理健康问题越来越关注，如何保持心理健康成为社会关注话题。本预测题与校园生活联系紧密，是四级考试关注度较高的话题，值得重视。 Directions: For this part， you are allowed 30 minutes to write a composi-tion on the topic Aid Education in CYou should write at least 120 words f-ollowing the outline given below in Chinese: 每年，高校许多大学生受到鼓舞去贫困地区支教。支教活动的意义。我的看法。 Aid Education in China Each year， college students， encouraged to aid students in the poverty-stricken areas， volunteer themselves in poor villages for a year and try to improve education in poor Aid-education has been beneficial in two On the one hand， college volunteers are really devoted to the They have opened the eyes of students in underdeveloped regions to the outside world by bringing them new knowledge and As a result， they are extremely well-received by the children On the other hand， college students have received a rigorous training by adapting to the harsh living They are enjoying the appreciation and no-distance friendship from the What’s more， they are greatly inspired by the moving and tireless spirit of the In my opinion， China’s educational development can’t be isolated from each individual and we college students should take the lead in response to the appeal for offering aid to children in poor Directions: For this part， you are allowed 30 minutes to write a short You should write at least 120 words following the outline given below: 现在某些高校校园禁止车辆驶入，这种规定的考虑，谈谈你的看法。 Should cars be allowed into College Campus? With the rapid development of our national economy， private cars have become in large number; of course， quite a few cars are heavily driven into College C In a significant way， these cars do not take up students’ places for study， but actually affect their daily life and study-- for instance， this crowd of cars may make noise and emit filthy gas to choke us to And the campus is jammed with lines of cars and seems to be parking lot instead of an academic So cars have been strictly prohibited into many College C It seems that this is not convenience to some persons， indeed， but this is for the sake of our Thus when someone enjoys convenience from modern tools， don't forget that it is dangerous to the students in the College C Therefore， I agree that cars are not allowed into College C By and large， with the price of cars falling significantly， cars will enter average families， and most Chinese will enjoy a luxurious lifestyle in their However， they are still prohibited to drive their cars into College Campus， which ， I think， is a hard truth in the eyes of most 点评：随着人们物质生活的提高，私家车发展迅猛，越来越多的私家车停放在校园，由此产生了一些问题，如空间被占、噪音污染、环境污染等，为此许多学校禁止车辆驶入校园，本预测题与2006年1月名校校园是否对外开放相仿，值得关注。 Directions: For this part， you are allowed 30 minutes to write a composition on the topic Choosing an O You should write at least 120 words following the outline given below in Chinese: 选择职业是一个人要面对的众多难题之一。需要花时间去选择职业。选择职业时可以向多人寻求建议和帮助。 Choosing an Occupation One of the most important problems a young person faces is deciding what to There are some people， of course， who from the time they are six years old “know” that they want to be doctors or pilots or fire fighters， but the majority of us do not get around to making a decision about an occupation or career until somebody or something forces us to face the Choosing an occupation takes time， and there are a lot of things you have to think about as you try to decide what you would like to You may find that you will have to take special courses to qualify for a particular kind of work， or you may find out that you will need to get actual work experience to gain enough knowledge to qualify for a particular Fortunately， there are a lot of people you can turn to for advice and help in making your At most schools， there are teachers who are professionally qualified to give you detailed information about job And you can talk over your ideas with family members and friends who are always ready to listen and to offer

提纲式应用文Example OneA Letter to a Scholarship-winning F 比你高一个年级的好朋友得了奖学金，你很替他骄傲和高兴；夸奖他一向勤奋、好学、有专业天赋，是你的榜样；希望他能够介绍一些好的专业书给你，并介绍一些学习经验。Dear Ann，先提问导入；再表达写信目的Can you imagine what a delight I take in your winning a first-rank scholarship? I am sincerely writing this letter to express/voice my heartfelt As we all know， You are a _____ person， and I ……现在分词做插入语进行修饰You， enthusiastic and enterprising， are one of the most talented and diligent勤奋的 in our department， already wining 2 awards for scientific On the one hand， you are vocal and high spirited in the classroom， always coming up with luminous明确的，清晰明了的 questions which show an extraordinary非凡的，卓越的=outstanding grasp of the On the other hand， you are splendid/fantastic in social activities， as作为 the president of the English Club and a member of the Student U No wonder that your advice is frequently sought and your phone rings constantly/ Now your hard work finally pays 还清债务；得到回报No doubt that it is your straight A academic record， along with/as well as your outstanding contribution to social activities/movements， that made you a scholarship-As your bosom/intimate亲密的 pal/companion/mate， I am so proud of you and so lucky that I can always learn from I will be/feel greatly honored荣幸 if you can lend some reference books to And your advice on study will be highly appreciated欣赏；赞扬句式亮点性词汇（必须使用六级词汇，不少于5个）词汇切忌重复Example Two（课后练习）An E-mail of Invitation to a Get-together你正在筹备假期全班同学聚会，与高中时的一个同学已经两年不见，最近得知了他的e-mail地址，请给他写封邮件。问候对方，了解对方这两年的情况；get acquainted 约对方在假期里参加全班同学聚会； get-together / gala party 夸奖对方多才多艺，请他准备节目。 versatileDear Ann，先寒暄一下，再提问导入，然后表达写信目的。How time flies! I haven’t heard from you ever since we graduated two years How have you been? Can you imagine what a delight I am informed of your E-mail address? I am sincerely writing this letter to express/voice my heartfelt joy and get acquainted with your current By the way， since we haven’t seen each other for so many years， therefore， a get-together party， organized by our enthusiastic monitor， Jonathan， will have been planned in our It is to be held possibly sometime in the coming summer vacation， preferably in some place near our high And at that time， you， full of passion激情 and enterprise事业心，魄力， were one of the most talented and versatile多才多艺的 member in our department， often winning awards in various activities and So， if you can prepare a program and make a fantastic/outstanding/extraordinary performance in this gala， we will be more than more than + 非常。。。No wonder/doubt that you will be the most dazzling 耀眼的stars among the whole As your bosom/intimate亲密的 pal/companion/mate， I am so proud of you and so lucky that I can always learn from If you can manage to come， please tell us when you’re If you can’t make it， please also let us What is more important， please keep me updated更新 of any change of your address， E-mail and phone number All the best!

英语四级作文范例（需要先注册） #

英语专业四级议论文作文范文初中

英语四级作文范例（需要先注册） #

模板？有啥用啊。不如把听力听好

英语专业四级议论文作文范文初一

模板？有啥用啊。不如把听力听好

英语四六级议论文范文大全

今天给大家总结10篇范文。 My View on Fake Commodities Nowadays fake commodities have flooded almost every inch of the Wherever you are， whatever you do， it seems that you can hardly have fallen prey to In other words， it is highly probable that you have bought some of those fake goods or products of inferior quality。 Needless to say， fake commodities have already done great harm to our On the one hand， they will ruin the good reputation of genuine products and disturb the balance of the On the other hand， the prevalence of such products has hindered interpersonal relationship and resulted in the decline of public As a consequence， they have wasted exhaustible resources， endangered people’s precious life and health， and in the long run eroded public trust。 Then， what should be done to do away with fake commodities? To start with， the government needs to tighten its inspection program and strengthen its enforcement Secondly， honest businessmen should modify some long-accepted practices at the protection of their intellectual property Knowledge and Diploma It is generally believed that a high diploma guarantees a promising Some people identify high diplomas with profound knowledge and exceptional Companies also tend to emphasize the academic achievement of a job Like it or not， there does exist a social reality – the higher diplomas one gets， the more popular he On the contrary， other people claim that a high diploma doesn’t automatically translate into A diploma， in their eyes， is only the acknowledgment of one’s educational experience rather than a guarantee of one’s Therefore， we can never measure the depth of one’s knowledge by the grade of one’s Besides， many knowledgeable people don’t have a high Take Bill Gates for His dropping out of college cannot deny the fact that he is one of the world’s most learned Online Games As a product of modern computer and the Internet， online games have become very popular among college A great many students have enjoyed great pleasure and satisfaction from these But as we see， some students lacking self-discipline are too much indulged in these games so that their health and academic performances are This phenomenon has caused much worry from the teachers and However， some others argue that online games are not always They can train the ability of youngsters to respond to things Moreover， they can stimulate their imagination and their interest in computer From my point of view， online games are a wonderful entertainment if you play them in a reasonable When they interfere too much with your study， it is better for you to give them up at My Views on Micro-blog With the number of micro-bloggers soarin9，micro-blog has become part of our lives and has drawn much attention around the Micro-blog is a double-edged On the one hand，micro-blog plays an important role in upholding justice，advancing social democracy and providing a platform for people to comment about their On the other hand， micro- blogging can also be potentially dangerous as it may give away people’s As far as I am icr0—blog will play all increasingly important role in our EOnly when the administration creates a favorable condition for communication and users conform to the rules of the new On Self-reliance As is vividly depicted in the picture， a boy is complaining to his parents that if he had been born with a silver spoon in his mouth， bad grades wouldn't The picture reflects a serious social problem that nowadays some children are more dependent on their They lack self- It is widely acknowledged that self-reliance is indispensable to For one thing， self-reliance plays a crucial role in the cultivation of Relying on others means repetition， imitation， and fewer efforts， which may not lead to innovation， an element greatly needed in this era of In view of the seriousness of the problem， it is high time for children to realize the importance of self- As for adults， they should encourage their children to confront challenges by On Fighting SmogRecently， smog has become a problem we have to There is a growing concern over smog which is believed to threaten people's It is high time that we took some methods to protect People's views on how to fight smog vary from person to Generally speaking， there are three effective First of all， try to reduce the time of outdoor activities， especially when the air quality is not good Secondly， make good use of protective things such as mouth-muffles so that harmful substances would be kept Most importantly， protect our environment and cut off the source of Only in this way can we really achieve a long-term From what has been mentioned above， we can come to the conclusion that in order to keep away from smog， we can hide ourselves in a safe area; however， it is much more necessary for us to face the root of the problem bravely and fight against The Importance of ComplimentsJust as the words Mark Twain even remarked，“I can live for two months on a good ” What he said implies that a compliment is a necessity in our daily As far as I am concerned， compliments are essential to our life for the following three Firstly， compliments from others boost our confidence and explore our Here is a story to illustrate this A child was often scorned by others because he was slow in However， his mother never gave him up and always paid him Little by little， he built up confidence and finally entered a famous Secondly， compliments in our daily life bring harmony and happiness to What's more， the significance of compliments has also been proved by psychological studies， which support that a compliment is to the soul what water is to the In summary， good compliments can help us win others' trust and improve our So be generous to give your whole-hearted compliments to the people around you!Dear Sir or Madam， It's my great honor to have the chance to run for the volunteer for the international conference to be hosted by our I'm Zhang Li， a sophomore majoring in E I am sure that I can be qualified for being a First of all， I specialize in English and my fluent oral English will help me a Besides， I have served as a volunteer for two grand sports Consequently， I have accumulated sufficient More importantly， I am an energetic person full of passion and enthusiasm for voluntary If I were elected， I would go to great lengths to participate in the training and make myself more Moreover， I would place more importance on team spirit and cooperate with To sum up， I would make every effort to finish the mission assigned to Please trust me， and trust your Thank Yours， Zhang L Certificate Craze on Campus Nowadays each college student must have a pile of various certificates upon graduation， such as National Computer Rank Examination Certificate and Accounting Qualification C Many people believe that it is necessary to get these certificates though we may need to spend much time on the First of all， the certificates are the proof of our capabilities to some Besides， with these certificates， it is much easier for graduates to be regarded as qualified applicants in job hunting and attract the attention of various Most importantly， college students can acquire extensive knowledge in the process of preparing for the For my part， the certificates are just a means to measure college students' abilities while the knowledge acquired is truly beneficial and Recently it has become a common phenomenon for college students to have two maj ors at the same In this way， they can get double BA degrees when they graduate fr om the university several years Although it may bring unfavorable consequences， we can be sure to conclude that thi s practice is favorable on the To begin with， most students will become more hard working and efficient in order to finish the learning tasks Moreover， with t wo degrees at hand after graduation， they will stand a better chance in the job market ful l of fierce In the third place， as for today's university students， tuition and fe es are becoming more and more If they can make achievements in study at sc hool and find a satisfactory job afterwards， it will not be a big Weighing the pros and cons of such a new trend， we can naturally arrive at the conc lusion that it is beneficial and This system not only compels students to work hard， but also prepares them for the coming

大学英语四级写作部分，只有多练才能在考试中写出一篇好的英语文章。下文中特为大家总结了一篇英语四级优秀作文范文，大家可以进行参考借鉴。Directions: For this part， you are allowed 30 minutes to write a composition on the topic My Opinion on Campus L You should write at least 120 words according to the outline given below in Chinese:1、大学校园里的讲座丰富多彩2、听讲座的益处3、你对在大学校园里听讲座的评论【范文】My Opinion on Campus LecturesIn recent years， more and more lectures are being given on They are organized either by the departments or by the students unions with an aim to improve the students quality both mentally and These lectures are usually in series and on different topics， such as arts， life， economy， psychology and world Generally speaking， the advantages of good lectures are First they broaden the students knowledge horizon and cultivate interest in different Second， they make the life of the students colorful and With these merits， lectures are just complementary and subordinate to our school If students spend too much time attending lectures， their regular study will be affected and So， in my opinion， the students should， on the one hand， do their class work and homework well first， on the other hand， set as more time as possible to attend good lectures which are helpful to our life and 四六级考试的复习资料：链接: _eOHT7PPQhw?pwd=u8gn 提取码: u8gn

排放冷却是对流冷却的另一种。与再生冷却不同，用于排放冷却的冷却剂对推力室冷却吸热后不进入燃烧室参与燃烧，而是排放出去。直接排放冷却剂会降低推力室比冲，因此需要尽可能减少用于排放冷却的冷却剂流量，同时只在受热相对不严重的喷管出口段采用排放冷却。还有一种是辐射冷却，其热流由燃烧产物传给推力室，再由推力室室壁想周围空间辐射散热。辐射冷却的特点是简单、结构质量小。主要应用于大喷管的延伸段和采用耐高温材料的小推力发动机推力室。在组织推力室内冷却时，是通过在推力室内壁表面建立温度相对较低的液体或气体保护层，以减少传给推力室室壁的热流，降低壁面温度，实现冷却。内冷却主要分为头部组织的内冷却（屏蔽冷却）、膜冷却和发汗冷却三种方法。推力室采用内冷却措施后，由于需要降低保护层的温度，所以燃烧室壁面附近的混合比不同于中心区域的最佳混合比（多数情况下采用富燃料的近壁层），造成混合比沿燃烧室横截面分布不均匀，使燃烧效率有一定程度的降低。膜冷却与屏蔽冷却类似，是通过在内壁面附近建立均匀、稳定的冷却液膜或气膜保护层，对推力室内壁进行冷却，只是用于建立保护层的冷却剂不是喷注器喷入的，而是通过专门的冷却带供入。冷却带一般布置在燃烧室或喷管收敛段的一个横截面上。沿燃烧室长度方向上可以有若干条冷却带。为提高膜的稳定性，冷却剂常常经各冷却带上的缝隙或小孔流入采用发汗冷却时，推力室内壁或部分内壁由多孔材料制成，其孔径为数十微米。多孔材料通常用金属粉末烧结而成，或用金属网压制而成。此情况下，尽可能使材料中的微孔分布均匀，是单位面积上的孔数增多。液体冷却剂渗入内壁，建立起保护膜，使传给壁的热流密度下降。当用于发汗冷却的液体冷却剂流量高于某一临界值，在推力室内壁附近形成的是液膜。当冷却剂流量低于临界值流量时，内壁温度会高于当前压力下的冷却剂沸点，部分或全部冷却剂蒸发，形成气膜。除了以上热防护外，还有其他热防护方法如：烧蚀冷却、隔热冷却、热熔式冷却以及室壁的复合防护等。3 高焓气体发生器热防护方案综合上述方法结合实际情况，便得到高焓气体发生器的热防护方法。高焓气体发生器的燃烧室与液体火箭发动机的不同，省去前面的推力室部分，使得其结构更简单而有效。那么，所涉及到的热防护即为对燃烧室室壁的热防护部分。由于燃料进入燃烧室内迅速分解并放出大量