1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn. 2. Of the millions who saw Haley's comet in 1986, how many people will live long enough to see it return in the twenty-first century. 3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions. 4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued. 5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable. 6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse. 7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one's meaning. 8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors. 9. The difference between libel and slander is that libel is printed while slander is spoken. 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 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 Holiday's reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs. 13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality. 14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises. 15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live. 16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them. 17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others. 18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris. 19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time. 20. Although pecans are most plentiful in the southeastern part 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. 22. The chief foods eaten in any country depend largely on what grows best in its climate and soil. 23. Over a very large number of trials, the probability of an event's occurring is equal to the probability that it will not occur. 24. Most substance contract when they freeze so that the density of a substance's solid is higher than the density of its liquid. 25. The mechanism by which brain cells store memories is not clearly understood. 26. By the middle of the twentieth century, painters and sculptors in the United States had begun to exert a great worldwide influence over art. 27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center. 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. 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. 30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance.
31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. 32. That xenon could not FORM chemical compounds was once believed by scientists. 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. 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. 35. Futurism, an early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion. 36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected. 37. Lucretia Mott's influence was so significant that she has been credited by some authorities as the originator of feminism in the United States. 38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer. 39. The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atla
40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them. 41. The annual worth of Utah's manufacturing is greater than that of its mining and farming combined. 42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support. 43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology. 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. 46. According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows. 47. Not until 1866 was the fully successful transatlantic cable finally laid. 48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology. 49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence. 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. 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. 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. 54. The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning. 55. The history of painting is a fascinating chain of events that probably began with the very first pictures ever made. 56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually. 57. During the eighteenth century, Little Turtle was chief of the Miami tribe whose territory became what is now Indiana and Ohio. 58. Among almost seven hundred species of bamboo, some are fully grown at less than a foothigh, while others can grow three feet in twenty-four hours. 59. Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse places to prepare themselves for any conditions they might encounter. 60. Of all the economically important plants, palms have been the least studied. 61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities. 62. The application of electronic controls made possible by the microprocessor and computer storage have multiplied the uses of the modern typewriter. 63. The human skeleton consists of more than two hundred bones bound together by tough and relatively inelastic connective tissues called ligaments. 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. 65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues. 66. Not only can walking fish live out of water, but they can also travel short distances over land. 67. Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible. 68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes inFORMation derived from other sciences. 69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing. 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. 71. People in prehistoric times created paints by grinding materials such as plants and clay into power and then adding water. 72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests. 73. Starting around 7000 B.C., and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present. 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. 76. The beaver chews down trees to get food and material with which to build its home. 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. 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. 79. The practice of making excellent films based on rather obscure novels has been going on so long in the United States as to constitute a tradition. 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. 电视,这项从迅速变化和成长为标志的最普及和最有影响力的现代技术,正在步入一个新时代,一个极为成熟和多样化的时代,这将重塑我们的生活和世界。 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. 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 than 60 percent. 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 advanced composition found him terrifyingly frigid in the classroom but sympathetic and understanding in their personal conferences. 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 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. 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。 |
|