阅读段落
An accident that occurred in the skies over the Grand Canyon in 1956 resulted in the establishment of the Federal Aviation Administration (FAA) to regulate and oversee the operation of aircraft in the skies over the United States, which were becoming quite congested. The resulting structure of air traffic control has greatly increased the safety of flight in the United States, and similar air traffic control procedures are also in place over much of the rest of the world.
段落大意
本段介绍了联邦航空管理局成立的原因和目的，以及航空交通管制的作用及其使用的广泛性。
阅读笔记
Air accident@Grand Canyon in 1956→establishment of FAA to regulate aircraft operation→structure of air traffic control→safety of flight↑ in the US
the US ~rest of the world: increasing air traffic control procedures
逻辑关系
因果（逻辑连接词： RESULTED IN）
An accident that occurred in the skies over the Grand Canyon in 1956.
The establishment of the Federal Aviation Administration (FAA) to regulate and oversee the operation of aircraft in the skies over the United States, which were becoming quite congested.
责任编辑：admin
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