单词：chemical testing
单词：chemical testing 相关文章
Improve Your English by Testing Yourself English learners can improve their ability to remember and use new words by testing themselves. This idea comes from Sarah Lynn, an educational consultant and teacher at Harvard University's Bridge Program. Sh
2016年VOA慢速英语(八)月
The goal of rapid HIV testing in emergency rooms is to save lives and prevent the spread of HIV. The U.S. Centers for Disease Control recommends routine HIV screening of patients admitted to hospital emergency rooms, unless the patient refuses or opt
VOA标准英语2010年(七)月
EDUCATION REPORT - Educational Testing Service Begins New TOEFL Test By Nancy Steinbach Broadcast: Thursday, October 13, 2005 I'm Shep O'Neal with the VOA Special English Education Report. Last month,
教育与新闻
Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right
好听的英文歌曲
LONDON, April 11 (Xinhua) -- The Olympic Torch has passed rigorous testing to ensure even the worst of Britain's weather will not be able to put it out, the Evening Standard newspaper said Wednesday. Two prototypes withstood 50mph winds, extreme temp
英语新闻
An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh
英语新闻