BBC在线收听下载:奥巴马称政府关门给美国经济造成不必要的损害

短语讲解：

1. But now sources close to the investigation in Kenya and in Norway have told the BBC they believed the man identified as black shirt is Hassan Abdi Dhuhulow.

close to 离…近；与…关系密切
例句：Close to half of deposits in china are demand deposits.
中国将近有一半的存款都是活期存款。

2. Some of the same folks who pushed for the shutdown and threatened default claimed their actions were needed to get America back on the right track, to make sure we're strong.

make sure 保证
例句：I'll make sure you havethe finest seat.
我得保证你选到最好的位子。

3. A series of car and suicide bombings in Iraq has killed at least 48 people. Rafid Jaboori has more.

at least 至少
例句：Read at least 30 books.
至少读30本书。