单词：
单词： 相关文章
Ladybugs love to snack and feast on other pests, so people began importing in Asian species called hollyqueen ladybugs as natural pest control. But in their new environments the hollyqueens wiped out native ladybugs and they have their parasites to t
Scientific American(五)月
Researcher: Vitamins and Mineral Supplements Slow Progression of HIV 补充维生素和矿物质放缓艾滋发展 WASHINGTON Patients with HIV, the virus that causes AIDS, often develop vitamin deficiencies. A new study has found that giving these p
VOA常速英语2013年(十一月)
China's growing number of microbloggers who expose power-abusing officials are becoming a force to be reckoned with. Public voices are getting louder in the age of the microblog. Independent journalist Ji Xuguang is credited with bringing down Lei Zh
英闻天下
China shuts down 97,000 blog, microblog accounts in anti-porn campaign BEIJING, Sept. 28 (Xinhua) -- Chinese authorities have shut down about 97,000 blog and microblog accounts over the past seven months which are allegedly involved in dissemination
英语新闻
By Gilbert da Costa Abuja 05 September 2006 Nigeria's anti-graft agency has vowed to press on with corruption investigations in the northern state of Zamfara, despite a recent attack on a government office involved in a fraud probe. The anti-corrupt
2006年VOA标准英语（九月）
Containing the H1N1 virus in Britain is no longer an option and the country is moving to a new treatment phase. Health Secretary Andy Burnham outlined the new approach, effective immediately, which includes doctors diagnosing and prescribing medicat
VOA标准英语2009年(七月)