BBC在线收听下载:联合国安理会决定向南苏丹增派维和部队

1.Israeli Air and Ground Forces have launched attacks on Gaza killing a young girl and wounding 10 people in response to the fatal shoot in an Israeli man near the border.

in response to  对…做出反应; 
例句：But herds have been growing over the past ten years, in response to the rising market power of supermarkets.
但奶牛的数量在过去的10年内也有所增加，为响应超市崛起的市场力量。

2. he began to preside over the rituals of Christmas in the magnificent setting ,that is St Peter's.

preside over 主持（会议、仪式等）; 管理，对（某事物）负有责任;
例句：But the prize is even greater: the chance to run europe's biggest city and preside over a high-profile sporting event in the summer.
但奖励倒是十分诱人：有机会处理欧洲最大的城市的种种事务并且有机会可以高调主持在夏季召开的体育赛事。