【正文】 Ohio.，“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。65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.，但人類還是能夠依其聲音上的線索很快識別它們。73. Starting around 7000 ., and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present.，在四千年當中，北半球的溫度比現(xiàn)在高。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.，這項從迅速變化和成長為標志的最普及和最有影響力的現(xiàn)代技術，正在步入一個新時代，一個極為成熟和多樣化的時代，這將重塑我們的生活和世界。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即危險，吃力，需要傷筋動骨和吵吵嚷嚷的建造這些鐵路的實際工作。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.，他們在探險中遇到了極具威脅性的困難和危險，而他們的裝備會讓一個現(xiàn)代登山者想一想都會渾身顫栗。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 bative instincts are around.：一旦有了問題，一旦你覺得你輸了你和你所屬團體會有失體面時，你最野蠻的好斗本能就會被激發(fā)出來。能干的人，不在情緒上計較，只在做事上認真；無能的人！不在做事上認真，只在情緒上計較。寧可累死在路上，也不能閑死在家里！寧可去碰壁，也不能面壁。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.。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.，所以以前的(石器工具能保存下來，雖然它們的制造者已經(jīng)消失的無影無蹤。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.，也可用于裝飾目的，它們可以用各種各樣的材料制成，臂如蠟和玻璃。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。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.，但是美國Kennel Club卻不承認它們?yōu)楂C犬，因為它們現(xiàn)在大多數(shù)作為寵物飼養(yǎng)。69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.，因為它保持地層土壤的溫度，使種子不致凍死。61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities.，原因很簡單，因為技術能夠并且已經(jīng)影響著營銷活動。53. Probably no man had more effect on the daily lives of most people in the Untied States than did Henry Ford a pioneer in automobile production.。44. No social crusade aroused Elizabeth Williams’ enthusiasm more than the expansion of educational facilities for immigrants to the United States. Williams的熱情。36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected.36. Everglades是美國境內(nèi)最為荒涼和人跡罕至的地區(qū)之一，此處有大量的野生動植物而且大多受(法律保護。29. Alexand