100个句子掌握四级词汇.docx

1、100个句子掌握四级词汇100个句子掌握四级词汇记单词的方法归纳法把同一词根的词类归结在一起。如 relate，rela-tion，relationship，relative，relativity，relatively等。 分类法按类的意义分别记忆。如lizard，snake，serpent，python，cobra，snail，rattlesnake，centipede，worm，spider等。对比法把反义词放在一起。如 heavy和light，thick和thin，buy和sell，near和far，high和low，short和long，forget和remember，wrong和ri

2、ght等。辨识法把同义、近义词放在一起进行辨识。如many，much，alotof；close，shut，turn off，switch off；have to，must；because，since, for等。 比较各词的音型上的异同，防止混淆如拼写上只有一个字母不同的词：light，fight，tight，right，night，might，sight；ball，bill，bell，boll，bull等，音同形异意不同的词：sun 和son；too和two等。善于发现错误的记忆方式英语中总会遇到一些单词，似乎是记下来了，但有时别人一打扰，自己立即会疑虑起来，感到有点吃不准。如“烤鸭”是ro

3、astduck，还是toastduck。遇到这种情况要勤查字典，字典是位知识渊博、百问不厌的老师。在字典上找到正确答案后，把她记在本子上，并根据自己的生活和学习经验，找出能够纠正错误记忆的有效方法。记单词要将机械记忆和理解记忆结合起来。记单词的方法很多，要在实践中找出适合自己的最佳途径，做到事半功倍1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.1.美洲羚羊，或称叉角羚，是该大陆典型的草原动物。2. Of the millions who saw Haley

4、s comet in 1986, how many people will live long enough to see it return in the twenty-first century.2. 1986年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.3.人类学家们已经发现，恐惧，快乐，悲伤和惊奇都会行

5、之于色，这在全人类是共通的。4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.4.由于苯酚对人体带有刺激性作用，它基本上已不再被当作常用的防腐剂了。5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful

6、or desirable.5.任何盈利组织若要生存，最终都必须生产出消费者可用或需要的产品。6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.6.一个地方的人口越多，其对水，交通和垃圾处理的需求就会越大。7. It is more difficult to write simply, directly, and effectively than to employ flowery

7、 but vague expressions that only obscure ones meaning.7.简明，直接，有力的写作难于花哨，含混而意义模糊的表达。8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors.8.随着现代办公室的日益自动化，设计师们正试图利用较为温暖而不太严肃的内部装饰来使其具有亲切感。9. The difference between libel and slan

8、der is that libel is printed while slander is spoken.9.诽谤和流言的区别在于前者是书面的，而后者是口头的。10. The knee is the joints where the thigh bone meets the large bone of the lower leg.10.膝盖是大腿骨和小腿胫的连接处。11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the

9、ability to turn certain blue vegetable dyes red.11.酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。12. Billie Holidays reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.12. Billie Holidays作为一个爵士布鲁斯乐杰出歌手的名声建立在能够赋予歌曲感情深度的能力。13. Essentially, a theory is an

10、abstract, symbolic representation of what is conceived to be reality.13.理论在本质上是对认识了的现实的一种抽象和符号化的表达。14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.14.儿童在能说或能听懂语言之前，很久就会通过面部表情和靠发出噪声来与人交流了。15. Thanks to modern irriga

11、tion, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.15.受当代灌溉(技术设施)之赐，农作物在原来只有仙人掌和荞属科植物才能生存的地方旺盛的生长。16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.16.机械计时器的发展促使人们寻求更精确的日晷，以便校准机械计时器。17. A

12、nthropology is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.17.人类学是一门科学，因为人类学家采用一整套强有力的方法和技术来记录观测结果，而这样记录下来的观测结果是供他人核查的。18. Fungi are important in the process of decay, which returns ingredients to the soil, enh

13、ances soil fertility, and decomposes animal debris.18.真菌在腐化过程中十分重要，而腐化过程将化学物质回馈于土壤，提高其肥力，并分解动物粪便。19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.19.音叉被敲击时，产生几乎纯质的音调，其音量经久不衰。20. Although pecans are most plentiful in the southeastern pa

14、rt of the United States, they are found as far north as Ohio and Illinois.20.虽然美洲山河桃树最集中于美国的东南部但是在北至俄亥俄州及伊利诺州也能看见它们。21. Eliminating problems by transferring the blame to others is often called scape-goating.21.用怪罪别人的办法来解决问题通常被称为寻找替罪羊。22. The chief foods eaten in any country depend largely on what gr

15、ows best in its climate and soil.22.一个国家的主要食物是什么，大体取决于什么作物在其天气和土壤条件下生长得最好。23. Over a very large number of trials, the probability of an events occurring is equal to the probability that it will not occur.23.在大量的实验中，某一事件发生的几率等于它不发生的几率。24. Most substance contract when they freeze so that the density o

16、f a substances solid is higher than the density of its liquid.24.大多数物质遇冷收缩，所以他们的密度在固态时高于液态。25. The mechanism by which brain cells store memories is not clearly understood.25.大脑细胞储存记忆的机理并不为人明白。82. Television is more than just an electronics; it is a means of expression, as well as a vehicle for commu

17、nication, and as such becomes a powerful tool for reaching other human beings.82.电视不仅仅是一件电器；它是表达的手段和交流的载体并因此成为联系他人的有力工具。83. Even more shocking is the fact that the number and rate of imprisonment have more than doubled over the past twenty years, and recidivism-that is the rate for re-arrest-is more

18、 than 60 percent.83.更让人吃惊的事实是监禁的数目和比例在过去的二十年中翻了一番还有余，以及累犯率即再次拘押的比例为百分之六十强。84. His teaching began at the Massachusetts Institute of Technology, but William Rainey Harper lured him to the new university of Chicago, where he remained officially for exactly a generation and where his students in advance

19、d composition found him terrifyingly frigid in the classroom but sympathetic and understanding in their personal conferences.84.他的教书生涯始于麻省理工学院，但是William Rainey Harper把他吸引到了新成立的芝加哥大学。他在那里正式任职长达整整一代人的时间。他的高级作文课上的学生觉得他在课上古板得可怕，但私下交流却富有同情和理解。85. The sloth pays such little attention to its personal hygie

20、ne that green algae grow on its coarse hair and communities of a parasitic moth live in the depths of its coat producing caterpillars which graze on its mouldy hair. Its muscles are such that it is quits incapable of moving at a speed of over a kilometer an hour even over the shortest distances and

21、the swiftest movement it can make is a sweep of its hooked arm.85.树獭即不讲究卫生，以至于它粗糙的毛发上生出绿苔，成群的寄考(试大生蛾生长在它的皮毛深处，变成毛毛虫，并以它的脏毛为食。她的肌肉不能让他哪怕在很短的距离以内以每小时一公里的速度移动。它能做的最敏捷的动作就是挥一挥它弯曲的胳膊。86. Artificial flowers are used for scientific as well as for decorative purposes. They are made from a variety of materia

22、ls, such as way and glass, so skillfully that they can scarcely be distinguished from natural flowers.86.人造花卉即可用于科学目的，也可用于装饰目的，它们可以用各种各样的材料制成，臂如蜡和玻璃；其制作如此精巧，几乎可以以假乱真。87. Three years of research at an abandoned coal mine in Argonne, Illinois, have resulted in findings that scientists believe can help

23、 reclaim thousands of mine disposal sites that scar the coal-rich regions of the United States.87.在伊利诺州Angonne市的一个废弃煤矿的三年研究取得了成果，科学家们相信这些成果可以帮助改造把美国产煤区弄得伤痕累累的数千个旧煤场。88. When the persuading and the planning for the western railroads had been completed, the task remained: the dangerous, sweaty, backbr

24、eaking, brawling business of actually building the lines.88.当有关西部铁路的说服和规划工作终于完成后，真正艰难的任务还没有开始；即危险，吃力，需要伤筋动骨和吵吵嚷嚷的建造这些铁路的实际工作。89. Because of the space crunch, the Art Museum has become increasingly cautious in considering acquisitions and donations of art, in some cases passing up opportunities to st

25、rengthen is collections.89.由于空间不足，艺术博物馆在考虑购买和接受捐赠的艺术品是越来越慎重，有些情况下放弃其进一步改善收藏的机会。90. The United States Constitution requires that President be a natural-born citizen, thirty-five years of age or older, who has lived in the United States for a minimum of fourteen years.90.美国宪法要求总统是生于美国本土的公民，三十五岁以上，并且在美

26、国居住了至少十四年。91. Arid regions in the southwestern United States have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill-climbing contests or in caving new trails in the desert.91.美国西部的不毛之地

27、正成为玩耍的地方，对越来越多拥有摩托车或越野单车类车辆的，喜欢放纵于爬坡比赛或开辟新的沙漠通道的寻欢作乐者具有不断增长的吸引力。92. Stone does decay, and so tools of long ago have remained when even the bones of the man who made them have disappeared without trace.92.石头不会腐烂，所以以前的(石器)工具能保存下来，虽然它们的制造者已经消失的无影无踪。93. Insects would make it impossible for us to live in

28、 the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.93.昆虫就将会使我们无法在这个世界上居住；如果我们没有受到以昆虫为食的动物的保护，昆虫就会吞嚼掉我们所有的庄稼并杀死我们饲养的禽兽。 94. It is true that during their explorations they often faced difficulties and dangers o

29、f the most perilous nature, equipped in a manner which would make a modern climber shudder at the thought, but they did not go out of their way to court such excitement.94.确实，他们在探险中遇到了极具威胁性的困难和危险，而他们的装备会让一个现代登山者想一想都会浑身颤栗。不过他们并不是刻意去追求刺激的。95. There is only one difference between an old man and a young

30、 one: the young man has a glorious future before him and old one has a splendid future behind him: and maybe that is where the rub is.95.老人和年轻人之间只有一个区别：年轻人的前面有辉煌的未来，老年人灿烂的未来却已在它们身后。这也许就是困难之所在。96. I find young people exciting. They have an air of freedom, and they have not a dreary commitment to mean

31、 ambitions or love comfort. They are not anxious social climbers, and they have no devotion to material things.96.我们位年强人振奋。它们带有自由的气息，他们不会为狭隘的野心考(试大和贪婪享受而孜孜以求。他们不是焦虑的向上爬的人，他们不会对物质性的东西难舍难分。97. I am always amazed when I hear people saying that sport creates goodwill between the nations, and that if onl

32、y the common peoples of the world could meet one another at football or cricket, they would have no inclination to meet on the battlefield.97.每次我听说体育运动能够在国家间建立起友好感情，说世界各地的普通人只要能在足球场或板球场上相遇就会没有兴趣在战场上相遇的话，我都倍感诧异。98. It is impossible to say simply for the fun and exercise: as soon as the question of prestige arises, as s