9. The difference between libel and slander is that libel is printed while slander is spoken.
9.誹謗和流言的區(qū)別在于前者是書面的，而后者是口頭的。
10. The knee is the joints where the thigh bone meets the large bone of the lower leg.
10.膝蓋是大腿骨和小腿脛的連接處。
11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.
11.酸是一種化合物，它在溶于水時具有強烈的氣味和對金屬的腐蝕性，并且能夠使某些藍色植物染料變紅。
12. Billie Holiday’s reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.
16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
16.機械計時器的發(fā)展促使人們尋求更精確的日晷，以便校準機械計時器。
17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to do*英語易網(wǎng)*ent observations that can be checked by others.
27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center.
27.伊麗莎白市，一個重要的航運和制造業(yè)中心，坐落于新澤西州的東部。
28. Elizabeth Blackwell, the first woman medical doctor in the United States, founded the New York Infirmary, an institution that has always had a completely female medical staff.
28. Elizabeth Blackwell，美國第一個女醫(yī)生，創(chuàng)建了員工一直為女性紐約診所。
29. Alexander Graham Bell once told his family that he would rather be remembered as a teacher of the deaf than as the inventor of the telephone.
29. Alexander Graham Bell曾告訴家人，他更愿意讓后人記住他是聾子的老師，而非電話的發(fā)明者。
30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance.
30.采摘下的迷迭香樹葉常綠不衰，因此人們把迷迭香樹與懷念聯(lián)系在一起。
31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact.
31.骨頭看起來是脆硬的，但它也有一定的彈性，使得骨骼能夠承受相當?shù)拇驌簟?br />
32. That xenon could not FORM chemical compounds was once believed by scientists.
32.科學家曾相信：氙氣是不能形成化合物的。
33. Research into the dynamics of storms is directed toward improving the ability to predict these events and thus to minimize damage and avoid loss of life.
33.對風暴動力學的研究是為了提高風暴預測從而減少損失，避免人員傷亡。
34. The elimination of inflation would ensure that the amount of money used in repaying a loan would have the same value as the amount of money borrowed.
34.消除通貨膨脹應確保還貸的錢應與所貸款的價值相同。
35. Futurism, an early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.
38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer.
38.國際市場研究者的活動范圍常常較國內(nèi)市場研究者廣闊。
39. The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atlantic Ocean from those flowing into the Pacific.
39.大陸分水嶺是指北美洛磯山脈上的一道想象線，該線把大西洋流域和太平洋流域區(qū)分開來。
40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them.
40.對地球引力的研究表明，在不尋常的負荷之下地殼和地幔會發(fā)生位移。
41. The annual worth of Utah’s manufacturing is greater than that of its mining and farming combined.
41.尤它州制造業(yè)的年產(chǎn)值大于其工業(yè)和農(nóng)業(yè)的總和。
42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.
42.墻花之所以叫墻花，是因為其脆弱的枝干經(jīng)常要靠墻壁或順石崖生長，以便有所依附。
43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.
43.社會心理學的主要焦點是人與人之間的交往，而不是他們各自生活中的事件。
44. No social crusade aroused Elizabeth Williams’ enthusiasm more than the expansion of educational facilities for immigrants to the United States.
45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.
45.典型的鵪鶉都長有短而圓的翅膀，憑此他們可以在受驚時一躍而起，飛離它們的躲藏地。
46. According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows.
46.根據(jù)人類學家的說法，直立行走的人的鼻祖面部輪廓與黑猩猩相似，額頭后傾，眉毛突出。
47. Not until 1866 was the fully successful transatlantic cable finally laid.
47.直到1866年第一條橫跨大西洋的電纜才完全成功的架通。
48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology.
48. John Crowe Ransom在他的著作中描述了他認為是由科學技術(shù)給社會帶來的精神貧困。
49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
49.父母的教導如果堅定，始終如一和理性，孩子就有可能充滿自信。
50. The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy.
51. Using many symbols makes it possible to put a large amount of inFORMation on a single map.
51.使用多種多樣的符號可以在一張地圖里放進大量的信息。
52. Anarchism is a term describing a cluster of doctrines and attitudes whose principal uniting feature is the belief that government is both harmful and unnecessary.
54. The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.
54.使用精心挑選的無意義詞匯，可以檢驗語言學科里許多基本的假定。
55. The history of painting is a fascinating chain of events that probably began with the very first pictures ever made.
55.優(yōu)化歷史是由一連串的迷人事件組成，其源頭大概可以上溯到最早的圖畫。
56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually.
56.相互般配的珍珠，串成一條項鏈，就能賣到比單獨售出好得多的價錢。
57. During the eighteenth century, Little Turtle was chief of the Miami tribe whose territory became what is now Indiana and Ohio.
57.十八世紀時，”小烏龜”是邁阿密部落的酋長，該部落的地盤就是今天的印第安那州和俄亥俄州。
58. Among almost seven hundred species of bamboo, some are fully grown at less than a foot high, while others can grow three feet in twenty-four hours.
58.在竹子的近七百個品種中，有的全長成還不到一英尺，有的卻能在二十四小時內(nèi)長出三英尺。
59. Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse locations to prepare themselves for any conditions they might encounter.
64. The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth, temperature, and the salt content of the water in which the oyster lives.
64.珍珠的色澤受到作為其母體牡蠣種類及牡蠣生活水域的深度，溫度和含鹽度的制約。
65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.
65.盡管模仿鳥學很多種鳥的鳴叫聲惟妙惟肖，但人類還是能夠依其聲音上的線索很快識別它們。
66. Not only can walking fish live out of water, but they can also travel short distances over land.
66.鲇魚不僅可以離開水存活，還可以在岸上短距離移動。
67. Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible.
67.科學家不知道恐龍為何絕種了，但是一些理論推斷是地理，氣候和海平面的變化造成的。
68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes inFORMation derived from other sciences.
68.主要目的在于豐富和優(yōu)質(zhì)的農(nóng)藝學利用了其他科學的知識。
69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.
69.雪對農(nóng)民是一種幫助，因為它保持地層土壤的溫度，使種子不致凍死。
70. Even though the precise qualities of hero in literary words may vary over time, the basic exemplary function of the hero seems to remain constant.
70.歷代文學作品中的英雄本色雖各有千秋，但其昭世功力卻是恒古不變的。
71. People in prehistoric times created paints by grinding materials such as plants and clay into power and then adding water.
71.史前的人們制造顏料是將植物和泥土等原料磨成粉末，然后加水。
72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests.
72.黃菊花通常令人生厭，它擠走不那么頑強的植物，并找來很多害蟲。
73. Starting around 7000 B.C., and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present.
73.大約從公元前七千年開始，在四千年當中，北半球的溫度比現(xiàn)在高。
74. When Henry Ford first sought financial backing for making cars, the very notion of farmers and clerks owning automobiles was considered ridiculous.
75. Though once quite large, the population of the bald eagle across North America has drastically declined in the past forty years.
75.北美禿頭鷹的數(shù)量一度很多，但在近四十年中全北美的禿頭鷹數(shù)量急劇下降。
76. The beaver chews down trees to get food and material with which to build its home.
76.水獺啃倒樹木，以便取食物并獲得造窩的材料。
77. Poodles were once used as retrievers in duck hunting, but the American Kennel Club does not consider them sporting dogs because they are now primarily kept as pets.
80. Since the consumer considers the best fruit to be that which is the most attractive, the grower must provide products that satisfy the discerning eye.
81. Television the most pervasive and persuasive of modern technologies, marked by rapid change and growth, is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world.
82. Television is more than just an electronics; it is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching other human beings.
82.電視不僅僅是一件電器；它是表達的手段和交流的載體并因此成為聯(lián)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 than 60 percent.
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 advanced composition found him terrifyingly frigid in the classroom but sympathetic and understanding in their personal conferences.
85. The sloth pays such little attention to its personal hygiene 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 the swiftest movement it can make is a sweep of its hooked arm.
86. Artificial flowers are used for scientific as well as for decorative purposes. They are made from a variety of materials, such as way and glass, so skillfully that they can scarcely be distinguished from natural flowers.
87. Three years of research at an abandoned coal mine in Argonne, Illinois, have resulted in findings that scientists believe can help reclaim thousands of mine disposal sites that scar the coal-rich regions of the United States.
88. When the persuading and the planning for the western railroads had finally been completed, the really challenging task remained: the dangerous, sweaty, backbreaking, brawling business of actually building the lines.
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 strengthen is collections.
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.美國憲法要求總統(tǒng)是生于美國本土的公民，三十五歲以上，并且在美國居住了至少十四年。
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.
93. Insects would make it impossible for us to live in 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.昆蟲就將會使我們無法在這個世界上居住；如果我們沒有受到以昆蟲為食的動物的保護，昆蟲就會吞嚼掉我們所有的莊稼并殺死我們飼養(yǎng)的禽獸。 94. It is true that during their explorations they often faced difficulties and dangers of 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.
95. There is only one difference between an old man and a young 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.
96. I find young people exciting. They have an air of freedom, and they have not a dreary commitment to mean ambitions or love comfort. They are not anxious social climbers, and they have no devotion to material things.
97. I am always amazed when I hear people saying that sport creates goodwill between the nations, and that if only the common peoples of the world could meet one another at football or cricket, they would have no inclination to meet on the battlefield.
98. It is impossible to say simply for the fun and exercise: as soon as the question of prestige arises, as soon as you feel that you and some larger unit will be disgraced if you lose, the most savage combative instincts are around.
99. It has been found that certain bats emit squeaks and by receiving the echoes, they can locate and steer clear of obstacles——or locate flying insects on which they feed. This echo-location in bats is often compared with radar, the principle of which is similar.
100. As the time and cost of making a clip drop to a few days and a few hundred dollars, engineers may soon be free to let their imaginations soar without being penalized by expensive failure.