2017年12月英语六级阅读答案：试卷一仔细阅读2（沪江网校版）

Passage Two
51. C) There was a clear divide between large and small cities.
52. D) They have changed America's landscape.
53. D) looked deserted in the evenings
54. C) Modernized housing and improved infrastructure.
55. D) Better job opportunities.