After making a short test flight at 4,15 a.m., Bleriot set off half an hour later. His great flight lasted thirty-seven minutes. When he landed near Dover, the first person to greet him was a local policeman.

　　13. After making a short test flight at 4,15 a.m., Bleriot set off half an hour later.

　　布莱里奥凌晨4点15分作了一次短距离试飞，半小时后便正式出发了。

　　语言点:句子结构分析:after引导省略式的时间状语从句，原因是前后两个分句的主语都是Bleriot。

　　14. His great flight lasted thirty-seven minutes.

　　他这次伟大的飞行持续37分钟。

　　语言点:用lasted来强调在当时的条件下，飞行时间还是比较长的。

　　15. When he landed near Dover, the first person to greet him was a local policeman.

　　当他在多佛着陆后，第一个迎接他的是当地一名警察。

　　语言点:句子结构分析:when以引导时间状语从句。主句中的to greet him为动词不定式短语，作后置定语，修饰person。