美联社新闻一分钟 AP 2013-04-30_在线英语听力室

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　　1. Homeland Security¹ Secretary, Janet Napolitano was calling for immigration reform. She says reform would help improve security, because the government would know who is in the country.

　　2. Charges against a Mississippi man accused of mailing the poison ricin to President Obama and others have been dropped. The home of the second man was searched Tuesday.

　　3. Dozens of people are dead in Bangladesh after a building caved in. Rescuers say hundreds got out alive.

　　4. And a Michigan man is walking hundreds of miles across his state on stilts². Neil Sauter is going on the walk to raise money for cerebral³ palsy research.

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收听单词发音

1 security
n.安全，安全感；防护措施；保证(金)，抵押(品)；债券，证券
参考例句：
A security guard brought him down with a flying tackle.一名保安人员飞身把他抱倒。 There was tight security at the airport when the President's plane landed.总统的专机降落时，机场的保安措施很严密。

2 stilts
n.（支撑建筑物高出地面或水面的）桩子，支柱( stilt的名词复数 )；高跷
参考例句：
a circus performer on stilts 马戏团里踩高跷的演员 The bamboo huts here are all built on stilts. 这里的竹楼都是架空的。来自《现代汉英综合大词典》

3 cerebral
adj.脑的，大脑的；有智力的，理智型的
参考例句：
Your left cerebral hemisphere controls the right-hand side of your body.你的左半脑控制身体的右半身。 He is a precise,methodical,cerebral man who carefully chooses his words.他是一个一丝不苟、有条理和理智的人，措辞谨慎。

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美联社新闻一分钟 AP 2013-04-30