CNN news 2011-04-25 加文本

词汇讲解：

1. resident n. 居民，住户
例句：I am a resident of Paris.
我是一个巴黎的居民。

2. curtail vt. 限制，缩短，缩减
例句：The government hopes to curtail public spending.
政府希望缩减公共事业开支。

3. household n. 一家人，户，家庭
例句：I grew up as part of a large household.
我生长在一个大家庭。

4. contamination n. 污染，污染物
例句：There is a danger of serious contamination from radioactive waste.
放射性废弃物有严重污染的危险。

5. propel vt. 推动，推进
例句：A volcano erupted and propelled rocks high into the sky.
火山爆发, 把无数的石块抛向天空。

6. previously adv. 事先，以前
例句：They use oars to propel boats .
他们用浆推进船只。

7. wounded adj. 受伤的，负伤的
例句：The crowd backed away to let the wounded man pass through.
人群向后退,让受伤的人通过。

8. Frankly adv. 坦白地，直率地，坦诚地
例句：Frankly speaking, I’m not opposed to reform.
坦率地说,我不反对改革。

9. certification n. 证明，证书
例句：He received his certification as a high school English teacher.
他取得了中学英语教师证书。