【正文】 materials　　(C) changed jobs frequently　　(D) specialized in one aspect of the finished product only　　Question 1120　　Molting is one of the most involved processes of a bird39。 inventions such as steel plows and mechanized harvesters allowed one farmhand to perform work that previously had required several, thus making farming capitalintensive rather than laborintensive.　　25）s and the First World War (19141918), approximately 23 million immigrants streamed to the United States, settled in cities, and went to work in factories and mines. They also helped　　15）build the vast network of canals and railroads that crisscrossed the continent and linked important trade centers essential to industrial growth. Factories also offered a reprieve from the backbreaking work and financial unpredictability associated with farming. Many adults, poor and disillusioned with farm life, were lured to the cities by promises of steady employment, regular paychecks,　　20)s, over 80 percent of the United States labor force was engaged in agriculture. Sophisticated technology and machinery were virtually nonexistent. People who lived in the cities and were not directly involved in trade often participated in small cottage industries making handcrafted goods. Others cured meats, silversmiths, candle　　5) B C　　cultivation date from fifteenth century.　　D　　39. Humans do not constitute the only species endowed with intelligence: the higher animals also　　A B D　　 globe artichoke was known as a delicacy at least 2,500 years ago, and records of its　　A D　　 mechanism of human thought and recall, a subject only partly understood by scientists, is　　A B　　typography, but they have gradually been recognized for their lyric power as well.　　C D　　35. At first the poems of . Cummings gained notoriety to their idiosyncratic punctuation and　　A D　　the cuting.　　 carbonare lamp, a very bright electric lamp used for spotlights, consists of two carbon　　A C B C B C　　the statewide and national conventions that mark election years.　　D　　 lemur is an unusual animal belonging to the same order than monkey39。 B　　are taking away by moving air.　　C C　　Ireland to immigrate to the United States.　　D　　 particles prising a given cloud are continually changing, as new ones are added while others　　As caused an unprecedented numbers of people from　　A D　　 United States National Labor Relations Board is authorized to investigation allegations of unfair　　A B　　labor practices on the part of either employers or employees.　　C C Bs temperature.　　A C D　　negatives.　　25. After flax is washed, dry, beaten, and bed, fibers are obtained for use in making fabric.　　A C B D　　around the Sun.　　24. Photograph was revolutionized in 1831 by the introduction of the collodion process for making glass　　A C　　population exceeding 10,000.　　D　　 keeps the Moon in orbit around Earth and the planets other of the solar system in orbit　　A B C　　they all were once colonies of Britain.　　D　　22. In 1860, more as 90 percent of the people of Indiana lived rural areas, with only a few cities having a　　A B C　　mountains near hers home.　　D　　 thirteen stripes of the United States flag represent the original thirteen states of the Union, which　　A B C　　European immigrants.　　D　　20. In 1908 Olive Campbell started writing down folk songs by rural people in the southern Appalachian　　A D　　coughing.　　19. The rapid grow of Boston during the midnineteenth century coincided with a large influx of　　A B C　　became to know as the Harlem Renaissance.　　D　　18. The symptoms of pneumonia, a lung infection, include high fever, chest pain, breathing difficult, and　　A Bs in New York City　　A Cs basic diet is vegetarian, some hamsters also eat insects.　　(A) Despite　　(B) Although　　(C) Regardless of　　(D) Consequently　　9. The Navajo Indians of the southwestern United States —— for their sand painting, also called dry painting.　　(A) noted　　(B) are noted　　(C) to be noted　　(D) have noted　　10. In 1784, the leaders of what would later bee the state of Virginia gave up —— to the territory that later became five different Midwestern states.　　(A) any claim　　(B) when the claim　　(C) to claim　　(D) would claim 11. —— one after another, parallel puters perform groups of operations at the same time.　　(A) Conventional puters, by handling tasks　　(B) Since tasks being handled by conventional puters　　(C) Whereas conventional puters handle tasks　　(D) While tasks handled by conventional puters　　12. The Liberty Bell, formerly housed in Independence Hall, —— in Philadelphia, was moved to a separate glass pavilion in 1976.　　(A) which a historic building　　(B) a historic building which　　(C) was a historic building　　(D) a historic building　　13. Fossils, traces of dead organisms found in the rocks of Earth39。s.　　44. (A) They didn39。s excited about going there.　　35. (A) A catalog mailed to the man.　　(B) The woman39。s far from where she lives.　　(B) Her family went there without her.　　(C) She doesn39。s interested in the United States Civil War.　　33. (A) Why her parents wanted to go to Gettysburg.　　(B) Why her family39。t sure if Judy can solve the problem.　　(D) The man will be able to solve the problem himself. 31. (A) Places the man has visited.　　(B) A paper the woman is writing for a class.　　(C) School activities they enjoy.　　(D) The woman39。t able to attend the seminar.　　29. (A) Do more research before they meet.　　(B) Meet several days before the presentation.　　(C) Change the day of the presentation.　　(D) Try to solve the problems before they meet.　　30. (A) She39。t intended to serve food and beverages at the party.　　28. (