BBC news 2009-11-01 加文本

1. There's been persistent speculation that Doctor Abdullah is planning to pull out of the contest next weekend because of a row over electoral fraud.

参考翻译：关于阿卜杜拉是否会因为选举欺诈而退出下周末举行的选举一直存在猜测。

结构分析：这句话的主干是There's been persistent speculation，后面是that引导的同位语从句，指代的是speculation。because of表明原因。

2.Three of the politicians who played key roles in the fall of the Berlin Wall in November 1989 and the transformation of Europe two decades ago have met at a ceremony in Berlin to mark the occasion.

参考翻译：在1989年柏林墙的倒塌和20年前的欧洲变革中起到关键作用的三位政治家在柏林参加了纪念仪式。

结构分析：这句话的主干是Three of the politicians have met at a ceremony。who played key roles是定语从句，修饰politicians。played key roles发挥关键作用。

3.Researchers say it left small sticky droplets along the thread to catch pray, but it was the droplets themselves which became trapped inside amber resin which oozed out of a prehistoric tree along with insect droppings and microbes which date from the age of dinosaurs.

参考翻译：研究人员称，蜘蛛在蛛网上留下黏膜，用于捕获猎物，但是正是由于黏膜才使得这个蛛网被困在史前树木分泌的松香中，与昆虫和微生物一起形成琥珀。这些生物可以追溯到恐龙时代。

结构分析：which became trapped是定语从句，修饰droplets。oozed out of分泌出。which date from the age of dinosaurs也是定语从句，修饰insect droppings and microbes。date from相当于date back to，追溯到。