① 网上聊天越来越流行 ② 有人反对它，有人赞同。 ③ 我的看法 With the development of IT， online chatting is becoming increasingly popular with many However， people’s opinions about it vary from person to Some think that it has more problems than First， it is a waste of time， energy and money as it doesn’t produce any useful information and Second， it is misleading to its users because cyberspace is actually an imaginary space where things are unreal or But the advocates of online chatting support it because it is another way of recreation which is both exciting and Besides， it helps them release their emotions and worries freely and To them， it is very useful and As far as I am concerned， whether online chatting is good or bad depends on the person who does So long as we can keep ourselves under good control， we can use it scientifically and properly without its bad 议论文范文 2 As students， we always have a lot of exams/tests every Tests are used nowadays to check/examine/measure how well /effectively students Exams are a very useful and important educational tool of However， exams have some side effects of their First， some exams can’t reflect the real progress students Second， too difficult or too many exams force students to cheat in Too many exams force students to study for the sake of exams only， to name just a In my opinion， advantages of exams far outweigh their Despite their side effects， exams can on the whole check and show how well students study scientifically and At least so far there has been not any method that take their place in Besides， exams seem to be fair to all students as they are objective and everyone is equal before test To conclude， exams may continue to exist in our education for a long time before they are replaced by some better measurement 记叙文范文 Eye-witness account of a traffic accident 假如你在某日某地某时目击一起车祸，就此写一份见证书。见证书如下： 车祸发生的时间和地点 你所见到的车祸的情况 你对车祸原因的分析 I witnessed a traffic accident on the street at about Here is my account of It happened at yesterday at the Xiao Zai intersection when I was on my way back to my A taxi ran into a cycling boy riding across Chang An Road near the When the taxi pulled up abruptly after the driver realized what had happened， the boy was already lying on the ground， bleeding and crying In 5 minutes， an ambulance came and took away the wounded There is no knowing how it came But I suppose it was because the boy ran the red light and the taxi driver took it for granted that there would be no pedestrian or cyclist would cross the road at that This accident warns us of the danger of ignoring traffic 图表文范文 描写该图并用数字说明 分析其原因及未来的趋势 结论 With the rapid economic growth in China， there has been an increasingly great demand for fuel Among them， natural gas is clean， convenient and The above graph shows the output of natural gas in China between 1991 and As can be seen from the graph， there had been a steady increase in its output since In 1991， there was only 5 billion cubic meters of natural gas produced in C After that， almost every year witnessed a steady increase by 5 billion cubic By 1995， the output had increased to 5 billion cubic meters， an increase by about 13% over that of There are many factors leading to this sharp increase in its To name only a few， the greater industrial demand， demands from daily life， convenience and cleanness in itself， stimulate its output In conclusion， we can safely predict the output will continue to increase in the foreseeable future because of the greater demands for Sample A Letter of Complaint Directions: Write a letter of no less than 120 words to your neighbour， who lives above your apartment in the same building and makes a lot of noise recently at Your letter should be polite but tell him or her clearly that you want him/her to stop making noise at night and Write a letter in the space provided on the Answer SDear Sir/Madam: I am your neighbor living downstairs under your apartment in the same I am writing you to make a complaint to /I am writing you to complain of the noise you make during the Recently you are making noise during the night that has disturbed my Almost every night， there comes some noise from your apartment just as I go to bed and am on my way to a I wonder what the noise Are you repairing your furniture? Are you doing physical exercises? However， whatever you do at that time of the night， you have to take your neighbors and their rest into In a word， you are disturbing both your other neighbors and Therefore/So， please stop making noise at Take Yours friendly neighbor Sample Natural Gas Output in China With the rapid economic growth in China， there has been an increasing demand for fuel Among them， natural gas is clean， convenient and The above graph shows the output of natural gas in China between 1991 and As can be seen from the graph， there had been a steady increase in its output since In 1991， there was only 5 billion cubic meters of natural gas produced in C After that， almost every year witnessed a steady increase by 5 billion cubic By 1995， the output had increased to 5 billion cubic meters， an increase by about 13% over that of There are many factors leading to this sharp increase in its To name only a few， the greater industrial demand， demands from daily life， convenience and cleanness in itself， stimulate its output In conclusion， we can safely predict the output will continue to increase in the foreseeable future because of the greater demands for Sample The Importance of Interpersonal C 人人需要与他人交流 人际交流的重要性 结论 Entering the 21st century， man is now in an age of information and In such an age， interpersonal communication plays an increasingly important role and all people have to communicate with Why is interpersonal communication so important? First， it helps people understand each other Second， it helps people get more information and Third， without interpersonal communication， our life would become a desert of emotion and Last but not the least， communication between people makes our life lively， interesting and In a word， humans， as social animals， have to communicate with each other， the importance of which can never be Why is interpersonal communication so important? Interpersonal communication is just like a bridge of understanding between For example， it helps students to learn more effectively if one can communicate more with his teachers and In a family， communication makes the family members understand each other better and get In the workplace， communication between the employer and the employed creates a friendly and helpful working Sample 8 How to Study Effectively As students， we have to study almost every However， how can we study effectively? Probably not everybody Have a look at the following graph and we may know better about This graph shows the relationship between the amount of study efficiency and the hours spent in studying in a From it， we can see that more hours of study do not necessarily result in better or higher study In the graph， the best amount of efficiency or the optimum of efficiency comes when one has studied for about 5 However， the efficiency begins to drop as he studies longer than By the time when one has studied for 10 hours in a day， his efficiency of study may become nothing or In conclusion， there is always a maximum of efficiency and time for study in a More time spent in study doesn’t always mean better This may tell us how we can study
EducationEducation in the largest sense is any act or experience that has a formative effect on the mind， character or physical ability of an In its technical sense， education is the process by which society deliberately transmits its accumulated knowledge， skills and values from one generation to Etymologically， the word education is derived from educare (Latin) "bring up"， which is related to educere "bring out"， "bring forth what is within"， "bring out potential" and ducere， "to lead"[1]Teachers in educational institutions direct the education of students and might draw on many subjects， including reading， writing， mathematics， science and This process is sometimes called schooling when referring to the education of teaching only a certain subject， usually as professors at institutions of higher There is also education in fields for those who want specific vocational skills， such as those required to be a In addition there is an array of education possible at the informal level， such as in museums and libraries， with the Internet and in life Many non-traditional education options are now available and continue to Systems of formal educationEducation is a concept， referring to the process in which students can learn something:Instruction refers to the facilitating of learning toward identified objectives， delivered either by an instructor or other Teaching refers to the actions of a real live instructor designed to impart learning to the Learning refers to learning with a view toward preparing learners with specific knowledge， skills， or abilities that can be applied immediately upon Preschool EducationPrimary (or elementary) education consists of the first 5–7 years of formal， structured In general， main education consists of six or eight years of schooling starting at the age of five or six， although this varies between， and sometimes within， Globally， around 70% of primary-age children are enrolled in primary education， and this proportion is [2] Under the Education for All programs driven by UNESCO， most countries have committed to achieving universal enrollment in primary education by 2015， and in many countries， it is compulsory for children to receive primary The division between primary and secondary education is somewhat arbitrary， but it generally occurs at about eleven or twelve years of Some education systems have separate middle schools， with the transition to the final stage of secondary education taking place at around the age of Schools that provide primary education， are mostly referred to as primary Primary schools in these countries are often subdivided into infant schools and junior Secondary educationIn most contemporary educational systems of the world， secondary education comprises the formal education that occurs during It is characterized by transition from the typically compulsory， comprehensive primary education for minors， to the optional， selective tertiary， "post-secondary"， or "higher" education (， university， vocational school for Depending on the system， schools for this period， or a part of it， may be called secondary or high schools， gymnasiums， lyceums， middle schools， colleges， or vocational The exact meaning of any of these terms varies from one system to The exact boundary between primary and secondary education also varies from country to country and even within them， but is generally around the seventh to the tenth year of Secondary education occurs mainly during the teenage In the United States， Canada and Australia primary and secondary education together are sometimes referred to as K-12 education， and in New Zealand Year 1-13 is The purpose of secondary education can be to give common knowledge， to prepare for higher education or to train directly in a The emergence of secondary education in the United States did not happen until 1910， caused by the rise in big businesses and technological advances in factories (for instance， the emergence of electrification)， that required skilled In order to meet this new job demand， high schools were created and the curriculum focused on practical job skills that would better prepare students for white collar or skilled blue collar This proved to be beneficial for both the employer and the employee， because this improvement in human capital caused employees to become more efficient， which lowered costs for the employer， and skilled employees received a higher wage than employees with just primary educational Higher educationHigher education， also called tertiary， third stage， or post secondary education， is the non-compulsory educational level that follows the completion of a school providing a secondary education， such as a high school， secondary Tertiary education is normally taken to include undergraduate and postgraduate education， as well as vocational education and Colleges and universities are the main institutions that provide tertiary Collectively， these are sometimes known as tertiary Tertiary education generally results in the receipt of certificates， diplomas， or academic Higher education includes teaching， research and social services activities of universities， and within the realm of teaching， it includes both the undergraduate level (sometimes referred to as tertiary education) and the graduate (or postgraduate) level (sometimes referred to as graduate school) Higher education generally involves work towards a degree-level or foundation degree In most developed countries a high proportion of the population (up to 50%) now enter higher education at some time in their Higher education is therefore very important to national economies， both as a significant industry in its own right， and as a source of trained and educated personnel for the rest of the Adult educationAlternative educationIndigenous education在最大的意义，教育是任何行为或经验，有一个心灵上形成的影响，性格或个人体能。在其技术意义上说，教育是社会的过程，从一代人故意传输其积累的知识，技能和价值观到另一个地方。 词源学，文字教育是从教育保育（拉丁）派生出来的“造就”，这是有关educere“带出”，“内带出什么”是“带出潜力”和ducere，“领导”。 在教育机构教师指导学生的教育，可能会借鉴很多科目，包括阅读，写作，数学，科学和历史。这个过程有时被称为上学时，指的是教学的教授通常只为某一个课题，在高等院校的教育。也有在教育领域，谁想要这些具体要求，如，职业技能是一个飞行员。此外，还有一个是在非正式的教育水平数组，例如可能在博物馆和图书馆，与互联网和生活经验。许多非传统教育的选择，现已并继续得到发展。 系统的正规教育 教育是一个概念，指的是过程，学生可以学到一些东西： 教学是指对确定的学习目标，无论是由导师或其他形式交付便利。 教学是指一个真正的生活，旨在向学生传授学习教练的行动。 学习是指与一对准备与具体知识，技能，或可用于完成后立即查看学习能力的学习者。 幼儿教育 小学（或小学）教育由5-7首次正式，结构化教育。一般来说，主要包括教育，在五，六，虽然这之间不等，有时内，国家开始对6岁或8年的学校教育。就全球而言，约70小学适龄儿童入学％小学教育，这一比例上升[2]在教科文组织教育驾驶的所有方案。，大多数国家都致力于实现普及小学教育入学率在2015年，在许多国家，它是为儿童义务接受初级教育。中，小学和中学教育科是有点武断，但它通常在大约11或12岁发生。一些教育系统中有独立的学校，向发生在中学教育的最后阶段过渡大约在14岁。学校提供初级教育，大多是被称为小学。在这些国家的小学通常分为幼儿学校和初中。 中学教育 在世界上最现代的教育系统，中学教育包括正规教育，在青春期发生。它的特点是从典型的过渡义务教育，小学全面的未成年人教育，可选的，有选择性的成人高等教育，“大专”或“较高”教育（如大学，职业学校。根据系统，学校这段期间，或其中的一部分，可称为中学或高中，体育场馆，公立中学，中等学校，学院，或职业学校。任何对这些条款的确切含义不同从一个系统到另一个。之间的精确边界小学和中学教育也因国家而异，甚至在其中，但一般在对学校教育的第七次是第10个年头。主要是在青少年时期出现的中学教育。在美国，加拿大和澳大利亚一起小学和中学教育有时被称为K - 12教育，并在新西兰使用1-13年。中等教育的目的，可以给予常识，准备接受高等教育或专业培训，直接。 在美国中学教育的出现并没有发生，直到1910年，由于在大企业和工厂的技术进步引起的（例如，电气化）的出现，这需要熟练的工人。为了满足这种新的就业需求，创造了高中课程和实际工作技能，更好地准备白领或学生熟练的蓝领工作的重点。这被证明是为雇主和雇员有利，因为这导致人力资本改善员工变得更有效率，降低了雇主的成本，只收到了小学教育程度较高的工资比员工熟练的员工。 高等教育 高等教育，也叫三级，第三阶段，或专上教育，是在非义务教育阶段的教育水平，遵循了一个提供诸如高中，中等学校中学教育，学校完成。高等教育是通常采取的包括本科和研究生教育，以及职业教育和培训。学院和大学是提供大专教育的主要机构。总的来说，这些有时被称为大专院校。高等教育一般的结果是把证书，文凭或学位收据。 高等教育包括教学，科研和社会服务活动的大学，并在教学领域，它包括了大学本科水平（有时称为大专教育）和研究生（或研究生）级（有时称为研究生院） 。高等教育通常涉及建立一个学位程度或基础学位的工作。在大多数发达国家的人口（50％）高比例现在进入一些在他们的生活时间高等教育。因此，高等教育是非常重要的国家经济，既是一个重要的行业在它自己的权利，并作为培训和教育的人员为其他经济来源。 成人教育 另类教育 土著教育
Objective To evaluate acute and long2term angiographic and clinical outcomes of longstent or multiple overlapped stents (length ≥ 20 mm) implantation for diffuse atherosclerosis lesions Methods Long stent or multiple overlapped stents implantation was performed on 111diffuse native coronary lesions ( Group O : 47 lesions in 44 octogenarians ; Group Y: 64 lesions in 58 patientsaged under 60) Baseline demographic ， lesion characteristic ， angiographic and procedural details weresimilar in these 2 Six2month clinical and angiographic follow2up was completed in all In2hospital and long2term outcomes were Results Procedure success was 100 %for both None had in2hospital major adverse cardiac events (MACE) There was no significant difference inangiographic binary restenosis ( ≥50 % diameter stenosis) rate between the groups at follow2up ( Group O Group Y， 1218 % vs1 1019 % at 32month ， 2918 % 2616 % at 62month ， P > 0105) The rates oftarget lesion revascularization and MACE at follow2up were less in Group Y， but it showed no statisticalsignificance (718 % 1016 % and 816 % 1114 % at 32month ， 1516 % 2314 % and 2017 % 2510 % at 62month ， respectively ， P > 0105) Conclusions Long stent implantation for diffuse lesionsin octogenarians appears safe and feasible ， with high procedural success and favorable long2term
