2020-2021学年外研版英语选修8课时作业:MODULE 3 FUNCTION AND GRAMMAR WORD版含解析.DOC
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1、高考资源网() 您身边的高考专家.阅读理解In its early history, Chicago had floods frequently, especially in the spring, making the streets so muddy that people, horses, and carts got stuck. An old joke that was popular at the time went something like this: A man is stuck up to his waist in a muddy Chicago street. Asked
2、 if he needs help, he replies,“No, thanks. Ive got a good horse under me.”The city planners decided to build an underground drainage (排水) system, but there simply wasnt enough difference between the height of the ground level and the water level. The only two options were to lower the Chicago River
3、or raise the city.An engineer named Ellis Chesbrough convinced the city that it had no choice but to build the pipes above ground and then cover them with dirt. This raised the level of the citys streets by as much as 12 feet.This of course created a new problem: dirt practically buried the first fl
4、oors of every building in Chicago. Building owners were faced with a choice: either change the first floors of their buildings into basements, and the second stories into main floors, or hoist the entire buildings to meet the new street level. Small woodframe buildings could be lifted fairly easily.
5、 But what about large, heavy structures like the Tremont Hotel, which was a sixstory brick building?Thats 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 t
6、he buildings foundation. One man was assigned to operate each section of roughly 10 jackscrews. At Pullmans 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,
7、 and many of its guests didnt even notice anything was happening.Some people like to say that every problem has a solution. But in Chicagos early history, every engineering solution seemed to create a new problem. Now that Chicagos waste water was draining efficiently into the Chicago River, the cit
8、ys next step was to clean the polluted river.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。1The author mentions the joke to show _.Ahorses were fairly useful in ChicagoBChicagos streets were extremely muddyCChicago was very dangerous in
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