BBC在线收听下载:南印度洋的搜索尚未发现马航失联飞机

1. Earlier, Russian troops took control of an airbase at Novofedorovka north of Sevastopol after it was stormed by their supporters who smashed windows and tore down Ukrainian symbols.

take control of vt.控制;
例句：Hackers use that information to reset your password and take control of your account.
骇客们利用这些信息来重新设置密码，从而控制你的帐户。

2. The disease broke out six weeks ago, but scientists in Guinea were unable to identify what it was.

broke out （战争等）突发，爆发；（囚犯等）逃脱，逃出;
例句：In the decade before the civil war, which broke out in early 2011, the city enjoyed an economic boom.
2011年初爆发内战之前的十年，这个城市经历了一轮经济繁荣。

3. told the BBC he hoped full access to the social network could be restored.

access to  有权使用;
例句：Apple also would instantly get access to a huge swath of tv and movie content.
苹果还可以立刻获得大量电视和电影内容。