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¡¡¡¡1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
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¡¡¡¡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.
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¡¡¡¡3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
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¡¡¡¡4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
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¡¡¡¡5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable.
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¡¡¡¡6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.
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¡¡¡¡7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one's meaning.
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¡¡¡¡8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors.
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¡¡¡¡9. The difference between libel and slander is that libel is printed while slander is spoken.
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¡¡¡¡10. The knee is the joints where the thigh bone meets the large bone of the lower leg.
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¡¡¡¡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.
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¡¡¡¡12. Billie Holiday's reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs. (give something to something)
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¡¡¡¡13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.
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¡¡¡¡14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.
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¡¡¡¡15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but
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¡¡¡¡cacti and sagebrush could live.
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¡¡¡¡16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
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¡¡¡¡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.
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¡¡¡¡18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris.
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¡¡¡¡19. When it is struck, a tuning µ÷г, µ÷Õû, µ÷Òôfork produces an almost pure tone, retaining its pitchÒôÁ¿ over a long period of time.
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¡¡¡¡20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois.
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¡¡¡¡21. Eliminating Ïû³ýproblems by transferring the blame to others is often called scape-goating.
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¡¡¡¡22. The chief foods eaten in any country depend largely on what grows best in its climate and soil.
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¡¡¡¡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.
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¡¡¡¡24. Most substance contract when they freeze so that the density of a substance's solid is higher than the density of its liquid.
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¡¡¡¡25. The mechanism by which brain cells store memories is not clearly understood.
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¡¡¡¡26. By the middle of the twentieth century, painters and sculptorsµñËÜ¼Ò in the United States had begun to exert a great worldwide influence over art.
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¡¡¡¡27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center.
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¡¡¡¡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.
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¡¡¡¡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.
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¡¡¡¡30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance.
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¡¡¡¡31. Although apparently rigid, bones exhibit a degree of elasticityµ¯ÐÔ that enables the skeleton to withstand considerable impact.
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¡¡¡¡32. That xenon could not FORM chemical compounds was once believed by scientists.
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¡¡¡¡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.
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¡¡¡¡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.
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¡¡¡¡35. Futurism, an early twentieth-century movement in art, rejected all traditions and attempted to glorify ÃÀ»¯contemporary life by emphasizing the machine and motion.
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¡¡¡¡36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected.
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¡¡¡¡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.
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¡¡¡¡38. The activities of the international marketing researcher are frequently much broader than those of the domestic ¹úÄÚµÄmarketer.
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¡¡¡¡39. The continental divide´ó½·ÖË®Áë 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.
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¡¡¡¡40. Studies of the gravity field of the Earth indicate that its crust Íâ¿Çand mantle ¸²¸ÇÎïyield when unusual weight is placed on them.
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