英文版论文怎么写( 二 ) _英文版

为便于文献检索，学位论文应注明三至五个具有代表意义中、外文“关键词” ，这些关键词就是论文的中心词，以显著的字符另起一行，分别排在中、外文摘要的左下方。各关键词之间用“分号”隔开。
外文关键词应与中文关键词相对应。
2. 英文毕业论文怎么写 Global environmental consequences of tourism Abstract In 2000, almost 700 million international tourist arrivals were counted worldwide. Even though a global activity of this scale can be assumed to have a substantial impact on the environment, its consequences have never been assessed and quantified. In this contribution, five major aspects of the leisure-related alteration of the environment are investigated: (1) the change of land cover and land use, (2) the use of energy and its associated impacts, (3) the exchange of biota over geographical barriers and the extinction of wild species, (4) the exchange and dispersion of diseases, and (5), a psychological consequence of travel, the changes in the perception and the understanding of the environment initiated by travel. r 2002 Elsevier Science Ltd. All rights reserved. Keywords: Biodiversity; Climate change; Energy; Sustainable tourism; Travel 1. Introduction Ecosystems provide services essential to humanity, which in short can be described as supporting life, supplying materials and energy, absorbing waste products, and providing culturally valuable assets (cf. Daily, 1997, 2000). Maintaining ecosystem integrity must thus be a primary human goal, which is nevertheless difficult to achieve because little is known about the temporal and spatial scales over which ecosystems should be safeguarded, the limits to replace their functions, or the levels of stress they can endure as complex, interacting, and interdependent systems (Costanza, 2000). In the light of these uncertainties, it is important to understand the contribution of human activities to ecosystem change, and how these activities might reduce the ecosystems' capacity to maintain a continuous flow of services. Tourist activities impact directly and indirectly on ecosystems. Coral reefs, for instance, can be damaged through trampling, buying, or collecting reefs species (a 你好，我有相关论文资料可供参考，需要的话请加我QQ ，我发给你， 497267666 ，谢谢。
3. 英文论文怎么写提纲先在第一行（与打印纸顶端的距离仍为2.5cm左右）的始端打上 Thesis 一词及冒号，空一格后再打论题句，回行时左边须与论题句的第一个字母上下对齐.主要纲目以大写罗马数字标出，次要纲目则依次用大写英文字母、阿拉伯数字和小写英文字母标出.各数字或字母后均为一句点，空出一格后再打该项内容的第一个字母；处于同一等级的纲目，其上下行左边必须对齐.需要注意的是，同等重要的纲目必须是两个以上，即：有Ⅰ应有Ⅱ ，有A应有B ，以此类推.如果英文论文提纲较长，需两页纸，则第二页须在右上角用小写罗马数字标出页码，即ii（第一页无需标页码）. 。
4. 英语论文怎么写啊恩，英语论文格式及写作规范语言和内容是评判一篇英语论文质量高低的重要依据；但是，写作格式规范与否亦是一个不可忽略的衡量标准。
因此，规范英语论文的格式，使之与国际学术惯例接轨，对我们从事英语教学，英语论文写作，促进国际学术交流都具有重要意义。由于英语论文写作规范随学科不同而各有所异，本文拟就人文类学科英语论文的主要组成部分，概述美国教育界、学术界通行的人文类英语论文写作规范，以供读者参考、仿效。