2. 外语
  3. The modern urban planning and redevelopment movement【C1】______in response to the【C2】______and dirtiness of the slum areas which

The modern urban planning and redevelopment movement【C1】______in response to the【C2】______and dirtiness of the slum areas which

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问题     The modern urban planning and redevelopment movement【C1】______in response to the【C2】______and dirtiness of the slum areas which were【C3】______by the Industrial Revolution in the 19th century. Reformation of these areas【C4】______the objective of early city planners, who imposed regulatory laws establishing【C5】______for【C6】______, sanitation, water supply, sewage and public health conditions. Urban planners also introduced parks and playgrounds into crowded city neighborhoods ,【C7】______places for recreation, as well as【C8】______relief.
    The chief new urban-planning concept of the early 20th century was zoning — the regulation of building activity to set【C9】______of height and【C10】______and to protect established neighborhoods.
    Urban territory【C11】______as a result of improved public transportation. Workers could live far from their jobs, traveling back and forth by bus, subway, or car.
    By the middle of the 20th century, urban planning【C12】______its focus. Planners realized that factors of city living must be considered as a whole, so they aimed less【C13】______attacking【C14】______problems than at the improvement of entire urban surroundings.
    Another【C15】______of urban building has been the building of experimental new towns and cities. In Great Britain, India, Israel, and South America【C16】______new cities【C17】______built entirely from plans. Urban planning was an important【C18】______in Europe after World War II,【C19】______urban planners directed the reconstruction of【C20】______areas.
【C17】
选项 A、are
B、were
C、will be
D、would be
答案B
解析 篇章题。上下文理解题。本文的叙述顺序为时间顺序，这一部分的时间前面一段已作交待——by the middle of the 20th century。本句前一句的时态为has been，现在完成时，表示从过去到现在“实验性新市镇的修建”一直是城市建设的一个方面；本句利用现实情况举例说明，例子是已存在的事实，而空格后为表行为动作的动词built，因此，build这个动作应已经发生，其意应为“已修建”，因此，只有选项were符合要求。如用are，不能表明动作built发生在过去。will be表将来，说明事情还未发生。would be表过去将来，也不符题意。
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