2014年英语四级阅读单项选择题讲解:比较题真题

　　2014年6月的英语就快来了，其实四级阅读相对来说还是比较简单的。下面小编为大家整理了2014年英语四级阅读单项选择题讲解，供各位考生参考。

　　A rapid means of long-distance transportation became a necessity for the United States as settlement spread over farther westward. The early trains were impractical curiosities,and for a long time the railroad companies met with troublesome mechanical problems. The most serious ones were the construction of rails able to bear the loadand the development of a safe,effective stopping system. Once these were solvedthe railroad was established as the best means of land transportation. By I860 there were thousands of miles of railroads crossing the eastern mountain ranges and reaching westward to the Mississippi. There were also regional southern and western lines.

　　The major problems with Americans railroad system in the mid 19th century lay in.

　　A. poor quality rails and unreliable stopping systems

　　B. lack of financial support for development

　　C. limited railroad lines

　　D. lack of a transcontinental railroad

　　【讲解答案】

　　本题问的是19世纪中叶美国铁路系统存在的问题。作者在第一段第三句中指出，当时最严重的 技术问题是 the construction of rails able to bear the road 和 the development of a safe,effective stopping system，所以答案为A。这个问题与该句的比较考点相联系The most serious ones