对于报考四川普通专升本考试的同学来说，历年真题是一份非常重要的复习资料，为方便同学们复习，高顿专升本小编整理了部分真题，供同学们参考复习。
The Silk Road is a name given to the many trade routes that connected Europe and the Mediterranean (地中海) with the Asian world. The __51__ is over 6,500 km long and got its name __52__ the early Chinese traded silk along it. Although silk was the __53__ trading item, there were many other goods that __54__ along the Silk Road between Eastern Asia and Europe. In the course of time, medicine, perfumes, spices and livestock (家畜) __55__ their way between continents.

The Chinese learned to __56__ silk thousands of years ago. For a long time they were the only ones who knew how to make this __57__ material. Only the emperor, his family and his highest advisers were allowed to wear clothes made of __58__. For a long time the Chinese __59__ this secret very __60__. The ancient Romans were the __61__ Europeans who became aware of this wonderful material. Trading __62__, often with Indians as middlemen (中间人) who traded silk with the Chinese __63__ gold and silver which they got from the Romans.

Travelling along the route was __64__. The hot desert, high mountains and sandstorms made traveling a rough business. Most of the goods along the Silk Road were carried by caravans (商队). Traders sometimes brought goods from one __65__ on the silk Road to another, from where the goods would be __66__ by someone else. Over the centuries people settled along the ancient route and many cities __67__. Later on there were fewer hardships to overcome, __68__ by no means was it easy.

In the early Middle Ages, traffic along the route __69__ because of the decline of the Roman Empire. Trading along the Silk Road became stronger again between the 13th and 14th centuries, when the Mongols controlled central Asia. During the Age of Exploration the Silk Road __70__ its importance because new sea routes to Asia were discovered.

51. A. corridor B. voyage C. route D. railway

52. A. though B. unless C. where D. because

53. A. only B. main C. real D. exact

54. A. rose B. gathered C. got D. travelled

55. A. found B. search C. wound D. missed

56. A. provide B. neglect C. make D. carry

57. A. precious B. beautiful C. important D. different

58. A. cloth B. cotton C. silk D. fiber

59. A. guarded B. shared C. guided D. learned

60. A. curiously B. carefully C. excitedly D. happily

61. A. unique B. active C. first D. special

62. A. compared B. combined C. supplied D. started

63. A. in place of B. in favor of C. in exchange for D.in return for

64. A. dangerous B. disappointing C. enjoyable D. inspiring

65. A. purpose B. destination C. time D. desert

66. A. explored B. performed C. ruined D. transported

67. A. moved B. stretched C. emerged D. remained

68. A. or B. but C. nor D. so

69. A. improved B. disappeared C. continued D. decreased

70. A. lost B. gained C. kept D. denied