That's where George Pullman came in. He had developed some house­moving skills successfully. To lift a big structure like the Tremont Hotel, Pullman would place thousands of jackscrews (螺旋千斤顶) beneath the building's foundation. One man was assigned to operate each section of roughly 10 jackscrews. At Pullman's signal each man turned his jackscrew the same amount at the same time, thereby raising the building slowly and evenly. Astonishingly, the Tremont Hotel stayed open during the entire operation, and many of its guests didn't even notice anything was happening.

　　Some people like to say that every problem has a solution. But in Chicago's early history, every engineering solution seemed to create a new problem. Now that Chicago's waste water was draining efficiently into the Chicago River, the city's next step was to clean the polluted river.

　　语篇解读　芝加哥早期城市规划不合理，一遇洪灾路面就会十分泥泞，后来在工程师Ellis Chesbrough和George Pullman的努力下，成功将城市路面以及建筑物提高，避免路面受洪灾影响，但这又导致了另外一个问题的出现。

　　1．The author mentions the joke to show ________.

　　A. horses were fairly useful in Chicago

　　B. Chicago's streets were extremely muddy

　　C. Chicago was very dangerous in the spring

　　D. the Chicago people were particularly humorous

【2017届高考英语一轮全册复习课时作业：必修3.1《Festivals around the world》（新人教版含解析）】相关文章：

★ 2017高考四川省广安市英语阅读理解一轮系列训练：18（含解析）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 5 A卷 Word版含解析

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：2（含解析）

★ 2014届高考英语一轮复习课时作业(九)必修2Module 3《Music》（外研版）

★ 【浙江专用】2014届高考英语一轮复习课时作业(三十一)选修7Unit 1《Living well》

★ 四川省2016届高考英语一轮复习课时作业（25） Module 1 British and American English 外研版必修5

★ 2017届高考英语二轮复习课时训练：14（含解析）

★ 四川省2016届高考英语一轮复习课时作业（47） Module 5 The Conquest of the Universe 外研版选修8

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之记叙文：名校模拟（含解析）

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十)必修4Unit 5《Theme parks》