100䱳7000

1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
򣬻Ʋ磬Ǹô½͵Ĳԭ

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?
1986꿴׻ǵǧ˵УжܹٵĿڶʮһ͵Ļعأ

3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
ѧѾ֣־壬֣˺;涼֮ɫȫǹͨġ

4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
ڱӶд̼ãѲٱõķˡ

5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable.
κӯ֯Ҫ棬ն߿ûҪĲƷ

6. The greater the population there is in a locality; the greater the need there is for water, transportation, and disposal of refuse.
һط˿Խ࣬ˮͨͻԽ

7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one's meaning.
ֱӣдڻڣģı

8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors.
ִ칫ҵԶʦͼýΪů̫ڲװʹиС

9. The difference between libel and slander is that libel is printed while slander is spoken.
̰Եǰģǿͷġ

10. The knee is the joints where the thigh bone meets the large bone of the lower leg.
ϥǴȹǺСֵӴ

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.
һֻˮʱǿҵζͶԽĸʴԣܹʹĳЩɫֲȾϱ졣

12. Billie Holiday's reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.
Billie Holiday'sΪһʿ³˹ֵֽܹܳȵ

13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.
ڱǶʶ˵ʵһֳͷŻı

14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.
ͯ˵֮ǰܾþͻͨ沿Ϳ˽ˡ

15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.
ܵ(ʩ)֮ͣũԭֻƺֲĵطʢ

16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
еʱķչʹѰȷУԱУ׼еʱ

17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to do*Ӣ*ent observations that can be checked by others.
ѧһſѧΪѧҲһǿķͼ¼۲¼Ĺ۲ǹ˺˲ġ

18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris.
ڸʮҪ̽ѧʻֽ⶯㡣

19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.
汻ûʱʵò˥

20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois.
ȻɽĶϲڱݼŵҲܿǡ

21. Eliminating problems by transferring the blame to others is often called scape-goating.
ù˵İ취ͨΪѰ

22. The chief foods eaten in any country depend largely on what grows best in its climate and soil.
һҵҪʳʲôȡʲôá

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.
ڴʵУĳһ¼ļʵļʡ

24. Most substance contract when they freeze so that the density of a substance's solid is higher than the density of its liquid.
ǵܶڹ̬ʱҺ̬

25. The mechanism by which brain cells store memories is not clearly understood.
ϸĻΪס

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.
˶ʮһҶҺ͵ܼҿʼ緶ΧڶشӰ졣

27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center.
ɯУһҪĺ˺ҵģݵĶ

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.
 Elizabeth BlackwellһŮҽԱһֱΪŮŦԼ

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.
Alexander Graham Bell߼ˣԸú˼סӵʦǵ绰ķߡ

30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance.
ժµԵҶ̲˥ǰԵ뻳ϵһ

31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact.
ͷǴӲģҲһĵԣʹùܹ൱Ĵ

32. That xenon could not FORM chemical compounds was once believed by scientists.
ѧţǲγɻġ

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.
Է籩ѧоΪ߷籩ԤӶʧԱ

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.
ͨӦȷǮӦļֵͬ

35. Futurism, an early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.
δ壬ʮڵһ˼ܾһдͳͼͨǿеͶ̬

36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected.
EvergladesΪ˼ĵ֮һ˴дҰֲҴ()

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.
Lucretia Mott'sӰ޴һЩȨ϶ΪŮȨ˶Ĵʼˡ

38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer.
гоߵĻΧϹго߹

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.
½ˮָɽϵһߣ߰Ѵ̫ƽֿ

40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them.
ԵоڲѰĸ֮µؿǺ͵᣻ᷢλơ

41. The annual worth of Utah's manufacturing is greater than that of its mining and farming combined.
ҵֵ乤ҵũҵܺ͡

42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.
ǽ֮ԽǽΪ֦ɾҪǽڻ˳ʯԱ

43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.
ѧҪ֮ĽǸе¼

44. No social crusade aroused Elizabeth Williams' enthusiasm more than the expansion of educational facilities for immigrants to the United States.
ӽʩκ˶ļElizabeth Williams顣

45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.
͵ȶж̶ԲĳƾǿܾʱһԾ𣬷ǵĶصء

46. According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows.
ѧҵ˵ֱߵ˵ı沿ƣͷ㣬üëͻ

47. Not until 1866 was the fully successful transatlantic cable finally laid.
ֱ1866һĵ²ȫɹļͨ

48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology.
John Crowe RansomΪɿѧľƶ

49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
ĸĽ̵ᶨʼһԣӾпܳš

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.
ԶŵHopewell˺ֲܿ׺ũԺͲɼǵľóҪġ

51. Using many symbols makes it possible to put a large amount of information on a single map.
ʹöֶķſһŵͼŽϢ

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.
һۺ̬ȣǵҪͬкģûбҪġ

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.
û˭Դ˵ճӰܳ.ء

54. The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.
ʹþѡʻ㣬Լѧļٶ

55. The history of painting is a fascinating chain of events that probably began with the very first pictures ever made.
Żʷһ¼ɣԴͷſݵͼ

56. Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually.
໥飬һȵ۳õöļǮ

57. During the eighteenth century, Little Turtle was chief of the Miami tribe whose territory became what is now Indiana and Ohio.
ʮʱ"Сڹ"ܲòĵ̾ǽӡڰݺͶݡ

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.
ӵĽ߰ٸƷУеȫɻһӢߣеȴڶʮСʱڳӢߡ

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.
ĺԱڳǰо򣬼¼ĵλãԱԸֵֿܳб޻

60. Of all the economically important plants, palms have been the least studied.
еľУõо١

61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities.
ߺ߶Ӧ⼼·չԭܼ򵥣ΪܹѾӰӪ

62. The application of electronic controls made possible by the microprocessor and computer storage have multiplied the uses of the modern typewriter.
Դڵ΢ʵֵĵóɱִֻĹܡ

63. The human skeleton consists of more than two hundred bones bound together by tough and relatively inelastic connective tissues called ligaments.
жٶͷɣסЩͷʯͼͶȱԵģΪʹĽһ

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.
ɫܵΪĸĵ༰ĵˮȣ¶ȺͺζȵԼ

65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.
ģѧܶΩΩФ໹ܹϵܿʶǡ

66. Not only can walking fish live out of water, but they can also travel short distances over land.
㲻뿪ˮڰ϶̾ƶ

67. Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible.
ѧҲ֪ΪξˣһЩƶǵͺƽı仯ɵġ

68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes information derived from other sciences.
ҪĿڷḻʵũѧѧ֪ʶ

69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.
ѩũһְΪֵز¶ȣʹӲ¶

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.
ѧƷеӢ۱ɫǧȴǺŲġ

71. People in prehistoric times created paints by grinding materials such as plants and clay into power and then adding water.
ʷǰǽֲԭĥɷĩȻˮ

72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests.
ƾջͨᣬ߲ôǿֲܶ຦档

73. Starting around 7000 B.C., and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present.
ԼӹԪǰǧ꿪ʼǧ굱У¶ȱڸߡ

74. When Henry Ford first sought financial backing for making cars, the very notion of farmers and clerks owning automobiles was considered ridiculous.
.ΪѰʽ֧ʱũһְԱҲӵ뷨ΪǿЦġ

75. Though once quite large, the population of the bald eagle across North America has drastically declined in the past forty years.
ͺͷӥһȺܶ࣬ڽʮȫͺͷӥ½

76. The beaver chews down trees to get food and material with which to build its home.
ˮ̡еľԱȡʳﲢѵĲϡ

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.
ëѼʱȮKennel ClubȴΪȮΪڴΪ

78. As a result of what is now known in physics and chemistry, scientists have been able to make important discoveries in biology and medicine.
ѧͻѧһɹʹÿѧѧҽѧϻش֡

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.
ĬĬŵС˵ӰƬѾãѾΪͳ

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.
Ϊ˿ΪõˮӦÿҲƯģֲ߱ṩ۹ĲƷ

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.
ӣѸٱ仯ͳɳΪ־ռӰִڲһʱһΪͶʱ⽫ǵ硣

82. Television is more than just 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.
ӲһǱֶκͽ岢˳Ϊϵ˵ߡ

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.
˳ԾʵǼĿͱڹȥĶʮзһ࣬Լ۷--ٴξѺı--Ϊٷ֮ʮǿ

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.
ĽʼʡѧԺWilliam Rainey Harper³֥Ӹѧʽְһ˵ʱ䡣ĸ߼ĿϵѧڿϹŰÿ£˽½ȴͬ⡣

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.
ֲ̡ڵë̦ȺļƤëëë棬ëΪʳļⲻں̵ܶľÿСʱһٶƶݵĶǻһĸ첲

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.
컨ܼڿѧĿģҲװĿģǿøָĲƳɣͲ˾ɣԼ档

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.
ŵAngonneеһúоȡ˳ɹѧЩɹ԰úŪ˺۵ǧú

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.
й·˵͹滮ɺѵûпʼΣգҪ˽ǺͳµĽЩ·ʵʹ

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.
ڿռ䲻㣬ڿǹͽܾƷԽԽأЩ·һղصĻᡣ

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.
ܷҪͳĹʮϣסʮꡣ

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.
Ĳë֮ΪˣĵطԽԽӵĦгԽҰ೵ģϲ±򿪱µɳĮͨѰ߾в

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.
ʯͷḯãǰ(ʯ)ܱȻǵѾʧӰ١

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.
ͽʹ޷ϾסûܵΪʳĶıͻ̽еׯڲɱޡ 

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.
ȷʵ̽˼вԵѺΣգǵװһִɽһ붼ǲǿȥ׷̼ġ

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.
˺ֻ֮һ˵ǰлԻ͵δ˲õδȴҲ֮ڡ

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.
λǿܡǴɵϢǲΪҰĺ̰ܶǲǽǵˣǲԵĶѷ֡

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.
ÿ˵˶ܹڹҼ佨Ѻø飬˵صֻͨҪ򳡻ͻûȤսĻҶв졣

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.
ûпܽΪֻ˶һ⣬һʧʱҰĺöܾͻᱻ

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.
Ѿ֣ĳЩ𷢳ܻͱϰ--ҵΪ档ֻ춨λԭ֮Ƶ״ȡ

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.
оƬʱͷý͵˼ͼԪʦǿܺܿǵ۳Ҷᱻʧͷ
