【正文】 96. I find young people exciting. They have an air of freedom, and they have not a dreary mitment to mean ambitions or love fort. They are not anxious social climbers, and they have no devotion to material things.。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.：年輕人的前面有輝煌的未來，老年人燦爛的未來卻已在它們身后。 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.，他們在探險(xiǎn)中遇到了極具威脅性的困難和危險(xiǎn)，而他們的裝備會讓一個(gè)現(xiàn)代登山者想一想都會渾身顫栗。93. Insects would make it impossible for us to live in the world。91. Arid regions in the southwestern United States have bee increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hillclimbing contests or in caving new trails in the desert.，對越來越多擁有摩托車或越野單車類車輛的，喜歡放縱于爬坡比賽或開辟新的沙漠通道的尋歡作樂者具有不斷增長的吸引力。89. Because of the space crunch, the Art Museum has bee increasingly cautious in considering acquisitions and donations of art, in some cases passing up opportunities to strengthen is collections.，藝術(shù)博物館在考慮購買和接受捐贈的藝術(shù)品是越來越慎重，有些情況下放棄其進(jìn)一步改善收藏的機(jī)會。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 coalrich regions of the United States.，科學(xué)家們相信這些成果可以幫助改造把美國產(chǎn)煤區(qū)弄得傷痕累累的數(shù)千個(gè)舊煤場。它能做的最敏捷的動作就是揮一揮它彎曲的胳膊。85. The sloth pays such little attention to its personal hygiene that green algae grow on its coarse hair and munities 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.，以至于它粗糙的毛發(fā)上生出綠苔，成群的寄生蛾生長在它的皮毛深處，變成毛毛蟲，并以它的臟毛為食。他在那里正式任職長達(dá)整整一代人的時(shí)間。83. Even more shocking is the fact that the number and rate of imprisonment have more than doubled over the past twenty years, and recidivismthat is the rate for rearrestis more than 60 percent.，以及累犯率——即再次拘押的比例——為百分之六十強(qiáng)。82. Television is more than just an electronics。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.，所以種植者必須提供能滿足挑剔眼光的產(chǎn)品。78. As a result of what is now know in physics and chemistry, scientists have been able to make important discoveries in biology and medicine.。76. The beaver chews down trees to get food and material with which to build its home.，以便取食物并獲得造窩的材料。74. When Henry Ford first sought financial backing for making cars, the very notion of farmers and clerks owning automobiles was considered ridiculous.，農(nóng)民和一般職員也能擁有汽車的想法被認(rèn)為是可笑的。72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests.，它擠走不那么頑強(qiáng)的植物，并找來很多害蟲。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.，但其昭世功力卻是恒古不變的。68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes inFORMation derived from other sciences.。66. Not only can walking fish live out of water, but they can also travel short distances over land.，還可以在岸上短距離移動。64. The pigmentation of a pearl is influenced by the 無效 of oyster in which it develops and by the depth, temperature, and the salt content of the water in which the oyster lives.，溫度和含鹽度的制約。62. The application of electronic controls made possible by the microprocessor and puter storage have multiplied the uses of the modern 無效writer.。60. Of all the economically important plants, palms have been the least studied.，棕櫚樹得到的研究最少。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 twentyfour hours.，有的全長成還不到一英尺，有的卻能在二十四小時(shí)內(nèi)長出三英尺。56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually.，串成一條項(xiàng)鏈，就能賣到比單獨(dú)售出好得多的價(jià)錢。54. The use of wellchosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.，可以檢驗(yàn)語言學(xué)科里許多基本的假定。51. Using many symbols makes it possible to put a large amount of inFORMation on a single map.。49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of selfconfidence.，始終如一和理性，孩子就有可能充滿自信。47. Not until 1866 was the fully successful transatlantic cable finally laid.。45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.，憑此他們可以在受驚時(shí)一躍而起，飛離它們的躲藏地。44. No social crusade aroused Elizabeth Williams39。42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.，是因?yàn)槠浯嗳醯闹Ω山?jīng)常要靠墻壁或順石崖生長，以便有所依附。41. The annual worth of Utah39。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.，該線把大西洋流域和太平洋流域區(qū)分開來。s的影響巨大，所以一些權(quán)威部門認(rèn)定她為美國女權(quán)運(yùn)動的創(chuàng)始人。37. Lucretia Mott39。拒絕一切傳統(tǒng)，試圖通過強(qiáng)調(diào)機(jī)械和動態(tài)來美化生活。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.。32. That xenon could not FORM chemical pounds was once believed by scientists.：氙氣是不能形成化合物的。30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance.，因此人們把迷迭香樹與懷念聯(lián)系在一起。28. Eliz