单词：brun-cut blasting
单词：brun-cut blasting 相关文章
Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world
VOA标准英语2011年(九月)
If you could take a vaccine that would protect you against cancer, wouldn't you take it? Well, for cervical cancer, there is a vaccine. It protects against a virus called HPV, which can lead to cancer of the cervix. But a new study reports that many
VOA标准英语2010年(十一)月
US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N
VOA标准英语2011年(八月)
By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs
2006年VOA标准英语（五月）
Initially the problems they face are probably of an academic nature, for example they go to lectures and they find that they cant understand, or they cant take notes very quickly. They have quite a lot of reading to do and don't know how to cope with
英语杂谈
Its time for Academic Listening - a series for students at English-speaking universities. Imagine: today is the first day of your uni life How do you feel? Excited and confident? Or maybe a little anxious? How do you think youll cope? And how can you
英语杂谈