美联社新闻一分钟 2007-02-04（在线收听）

1. Dawn Saturday brought out search and rescue workers again in central Florida, an area devastated by thunderstorms that included tornados. The storms struck in darkness early Friday morning killing at least 20 people. Victims included teenagers and at least one child.

2. Gunbattles in Gaza on Saturday defying a truce between the Fatah and Hamas factions. Twelve people were wounded by late morning. This came after a ceasefire agreement announced late Friday, a deadly day of battles between the two sides.

3. Forty-six countries are joining France in pushing for a new environmental body to police nations that pollute. The appeal follows a report from leading scientists saying humans are to blame for global warming.

4. President Bush waded into enemy territory Saturday, addressing the House Democratic Caucus in Virginia. This group snatched away Republican control of the House in November. The president is expected to take questions from Democrats but behind closed doors.

WORDS IN THE NEWS

1. police : VERB
If a person or group in authority polices a law or an area of public life, they make sure that what is done is fair and legal.

2. wade into : VERB
If someone wades in or wades into something, they get involved in a very determined and forceful way, often without thinking enough about the consequences of their actions.

3. caucus : N-COUNT
A caucus is a group of people within an organization who share similar aims and interests or who have a lot of influence.(FORMAL)