Relatively few people are prepared tosacrifice up to a third of their holidays for the pleasure of travelling by sea.

　　Aeroplanes have the reputation of being dangerous and even hardened travellers areintimidated by them. They also have the disadvantage of being the most expensiveform of transport. But nothing can match them for speed and comfort.

　　16.Relatively few people are prepared to sacrifice up to a third of their holidays for thepleasure of travelling by sea.

　　没有多少人会为享受坐船旅行的乐趣而牺牲假期的时间。

　　语言点:be prepared to do sth.的意思是“准备好做某事”。

　　17.Aeroplanes have the reputation of being dangerous and even hardened travellersare intimidated by them.

　　飞机以危险而著称，连老资格的旅行者也怕飞机。

　　语言点:句子结构分析:本句结构sth.have the reputation of being dangerous/safe的意思是“某物以危险/安全著称”。

　　18.They also have the disadvantage of being the most expensive form of transport.

　　飞机另一个缺点是昂贵。