BBC在线收听下载:新研究证明二氧化碳影响气温升高

1. announce vt. 宣布,发布
例句：Please announce to the children that there will be no school this afternoon. 
请通知孩子们今天下午不上课。 

2. democratic adj. 大众的；民主的
例句：They are politicians of the Democratic stripe. 
他们是民主党一派的政客。 

3. inevitable adj. 不可避免的;必然
例句: Their defeat was inevitable.
他们被击败是不可避免的。

4. instability n.不稳定(性),不稳固
例句：The riot can be considered a symptom of political instability. 
这次暴动可看作是政治上不稳定的征兆。 

5. announcement n. 通告,布告
例句：An announcement will be made next week.
下周将有一个通告发布。

6. interrupt vt. 中断，阻碍
例句：I don't want to interrupt you. Go on with your story.
我不想打断你。请把你的故事讲下去。

7. position n. 位置,地点
例句：The bed used to be in this position.
床原来是放在这儿的。

8. withdraw vt. 收回;取回
例句：The government withdraws worn out money from use.
政府收回旧币使之不再流通。

9. explosion n. 爆发;爆炸
例句：There was a terrible explosion at the chemical plant.
那家化工厂发生了一起可怕的爆炸事故。

10. argument n. 争执,争吵;辩论
例句：We had an argument about politics.
我们就政治展开了争论。