BBC news 2011-03-04 加文本

1.It urged UN peacekeepers to use all necessary means to protect civilians, alarmed in particular by news that troops loyal to Laurent Gbagbo had opened fire with heavy machine guns on women protesters supporting his rival, the recognised winner of recent presidential elections Alassane Ouattara.

that troops loyal to是同位语从句，指代的是news。the recognised winner是his rival的同位语。in particular特别，尤其。

2.It's not the first time that Barack Obama has called on the Libyan leader Muammar Gaddafi to leave office.

It's not the first time that.........并不是第一次发生某事。