例句1

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. (剑8 Test1 Passage2)

1）结构分析

层次一：

主句：  An accident resulted in the establishment to regulate and oversee the operation of aircraft

修饰①：that ...1956【that定从，修饰accident】 

修饰②：of......FAA【介短定语，修饰establishment】

修饰③：in.....US【介短定语，修饰aircraft】

修饰④：which........congested【which定从，修饰skies】

结构总结：主句+定从+介短

2）译文分析：红体字代表主干，括号代表修饰，大括号包括小括号

establishment：n. 建立

regulate：v. 管理 控制

oversee：v. 监管

operation：n. 操作 运行

congested：adj. 拥挤的 堵塞的

3）重点词汇：

arose：v. 出现

counting：n. 计算

evolve：v. 发展 进化

例句2

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. (剑8 Test 1Passage2)

1）结构分析 

层次一：

主句：The resulting structure has increased safety and procedures are also in place

修饰①：of....control【介短定语，修饰structure】

修饰②：in......states【介短状语，修饰increase，表地点】

修饰③：over......world【介短状语，修饰are in place，表地点】

结构总结： 主句+介短+介短

2）译文分析：红体字代表主干，括号代表修饰，大括号包括小括号

（空中交通管制）结构巨大的增加了（美国的）飞行安全，而且与其相似的空中管制项目也（在整个世界）开始运行

3）重点词汇：

air traffic：（词组）空中交通

structure：n. 结构

flight safety：（词组）飞行安全

procedures：n. 项目 程序

be in place：（词组）已经到位 形成  开始

例句3

As early as the 1920s, the earliest air traffic controllers manually guided aircraft in the vicinity of the airports, using lights and flags, while beacons and flashing lights were placed along cross-country routes to establish the earliest airways. (剑8 Test1 Passage2)

1） 结构分析： 

层次一：

主句： the earliest air traffic controllers manually guided aircraft，while beacons and flashing lights were placed along routes

修饰①：as.......1920s【as介短状语，修饰主句，表时间】

修饰②： in.....airports 【介短定语，修饰aircraft】

修饰③：using..... flags【doing分词状语，修饰guide，表方式】

修饰④：to......airways【to do状语，修饰placed，表目的】

结构总结：主句+介短+doing+to do

2）译文分析：红体字代表主干，括号代表修饰，大括号包括小括号

（早在1920年），最早的空中交通控制就（用灯和旗）手动引导（机场周围的）飞机，同时（在横跨全国的航线上），设立了灯标和闪光灯，（用以建立最早的航道）

3）重点词汇：

mannually：adv. 手工的

in the vicinity of：（词组） 在.....附近

air traffic：（词组）空中交通

beacons and flashing lights：灯标和闪光灯

establish：v. 建立