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1、前缀后缀的作用1. 前缀ad-加在单词或词根前，表示“做,加强”如：adjoin 贴近；毗邻(ad join 参加参加在一起贴近)adjust 调整(ad just 正确弄正确调整)adhere 坚持(ad here 粘粘在一起坚持)ab-,abs-加在词根前，表示“相反，变坏，离去”等abnormal 反常的(ab normal 正常的)abuse 滥用(ab use 用用坏滥用)abstract 抽象的；心不在焉的(abs tract 拉被拉开心不在焉)abstain 戒绝(abs tain 拿住不再拿住戒绝)popul- 人民population 全体居民，人口(popul 人民居民，a
2、tion 名词字尾)populous 人口稠密的(popul 人民居民，ous 的)populate 使人民居住于中，使人口集中在之中，移民于(popul 人民，ate 动词字尾，使,做)uniform均匀的 unipolar单极的2. 后缀-ability 表名词，“能；性质”useability 可用性(use 用)adaptability 适应能力(adapt 适应)可靠性dependability 可靠性(depend 依靠)variability 变化性(vary 变化)lovability 可爱(love 爱)-able 表形容词，“可的，能”knowable 可知的 (know知
3、道+ able可的)inflammable 易燃的(inflame 点燃+ able可的)tractable 温顺的(tract 拉拉得动温顺的+ able可的)conceivable 想象得出的(conceive 设想，想象+ able可的)desirable 值得要的(desire 渴望+ able可的)inviolable 不容侵犯的(in 不+viol 冒犯+able;参考：violate 违反，冒犯 )3. 词根pose： “放” 词义“摆姿势”expose：(ex +pose出，外面放在外面暴露)compose：(com +pose共同共同放在一起组成)decompose：(de
4、+compose在下，向下把组成的东西向下弄没了分解)depose：(de +pose在下，向下向下放免职、降职)deposit：(de +posit向下低头放下一个东西下蛋、存款、沉淀物)四六级通关必备短语a body of 一片，一批；大量a bolt from the blue 晴天霹雳a change for the better 变好，好转a credit to 的光荣a far cry 大不相同，悬殊；遥远的距离a good while 好久a hard nut to crack 难事，棘手的问题a heap of 一大堆a host of 大量，许多a narrow escape
5、 幸免，九死一生a rainy day 万一的时候，困难的时候a sequence of 一连串a series of 一连串，一系列a split second 一刹那写作部分On Space Project 给*周刊宇航专栏的编辑写一封信，说明你对太空探索项目的态度(支持或反对)，并简单陈述你的理由。Dear Editor，Thank you for your starting a specia1 co1umn jor the discussion on space projects. Frankly, it seems to me that our space projects so f
6、ar have been in the main a waste of money, time, energy, human lives and resources.The richer countries are pouring large sums of money into space research programs which are of no benefit to human beings while in underdeveloped countries thousands of people are dying of hunger. Besides, many scient
7、ists time and energy are wasted, which could have been devoted to improving our living condition. Whats more, many astronauts have died complete1y uselessly in space vehicles which have been faulty. They were young people who hadnt enjoyed the fruit of life yet.Apart from human wastage, there is the
8、 wastage of resources which are finite and essential if man is to survive. I think its high time we stopped these meaningless programs.2012年6月cet4优秀范文:非物质文化遗产Protecting the Intangible Cultural Heritages1.保护非物质文化遗产很重要2.非物质文化遗产指的是3.为保护非物质文化遗产我们应该【精彩范文】Protecting the Intangible Cultural HeritagesLike t
9、angible cultural heritages such as the Great Wall and the Forbidden City, intangible cultural heritages like Peking Opera and Confucius-commemorating rituals are equally crucial. We should make our utmost efforts to preserve intangible heritages because, without their physical form of existence, the
10、y are in greater risk of extinction.According to UNESCOs Convention for the Safeguarding of Intangible Cultural Heritage (2003), all forms of social customs and habits, folklore, performing arts, rituals, oral traditions, festivals, traditional crafts and various knowledge and practices about nature
11、 and universe can be classified as intangible cultural heritages. As a country consisting of a great diversity of ethnic groups and with time-honored history and civilization, China abounds in intangible cultural heritages. Cultural heritages connect modern people with the historical past, allowing
12、them to acquire a cultural and historical identity. Without cultural heritages, we would be rendered absolutely rootless and we would find it hard to cope with challenges at present and in the future.However, the modernization process poses mounting threats to intangible heritages. Many people have
13、a blind faith in the latest electronic devices. It is also pathetic to see elderly people in possession of such legacies pass away without transmitting them to the younger generation. Faced with those challenges, we should both preserve and renovate our ancestral heritages so that we can help contri
14、bute to the cultural diversity of the world and return to our spiritual homeland in this age of impersonal science and technology.【参考译文】保护非物质文化遗产如同长城、故宫之类的物质文化遗产一样，像京剧和祭孔仪式这类非物质文化遗产，也同样至关重要。我们应不遗余力地去保护非物质遗产，因为它们在不具备物质存在的条件下，失传的可能性更加岌岌可危。按照联合国教科文组织2003年通过的保护非物质文化遗产公约的界定，各种社会习俗、民俗、表演艺术、仪式、口头传统、节庆、传统手工
15、艺、以及有关自然界与宇宙的知识与实践，全都可被纳入到非物质文化遗产的范畴。作为一个由众多族群构成的国家，并拥有悠久的历史与文明，中国有着极为丰富的非物质文化遗产。文化遗产将现代人与遥远的历史连接起来，使人们拥有某种文化和历史的认同感。如果没有文化遗产，我们的“根”便荡然无存。我们也无法去应对当下及未来的挑战。然则，现代化进程正在对非物质文化遗产构成日甚一日的威胁。许多人盲目崇拜最新的电子产品。另外，看着掌握非物质遗产的老者不断逝去，而无法将其留传给年轻的一代，实在令人痛心。面对这些挑战，我们对祖辈的遗产既要继承，又要创新，这样，我们才能促进世界的文化多样性，并在一个缺少人情味的科学与技术的时代，重返我们的精神家园。【值得熟记的句式与短语】 1. tangible cultural heritages物质文化遗产2. Confucius-commemorating rituals祭孔仪式3. make utmost efforts to不遗余力地
