单词：instantaneous death rate
单词：instantaneous death rate 相关文章
By Jill Moss Broadcast: October 27, 2003 This is Doug Johnson with the VOA Special English Development Report. A study finds that one out of sixteen women in Africa will die during 1)pregnancy or 2)ch
VOA2003（下）-发展与科学
The economy leaves off today's headlines.Some financial experts think US economy isn't growing fast enough and it's not growing fast at all.And that news is not going over well with investors.Stock market is one thing people look at to see how the ec
CNN2011年(九)月
图片1 permanent adj. 永久的，持久的 例句：Spencer was taken on for a three-month trial period before being accepted as a permanent member of staff. 在斯宾塞被接受为固定雇员之前经过了三个月的试用期。 perpetual adj.
漫画搞定六级词汇（文本+音频）
By Melinda Smith Washington 20 September 2007 The U.S. Centers for Disease Control and Prevention recently released alarming statistics that show the suicide rate for American children and teenagers was up between 2003 to 2004. That is the most recen
2007年VOA标准英语（九月）
Interviewers conducting surveys in the Central African Republic received thorough training before heading out into the field. During the actual survey, interviewers spent an hour or more with each respondent. The Central African Republic has been pla
VOA标准英语2010年(八)月