标签：placebo 相关文章
economic China's market is becoming more and more active with the rapid economic development. concern I don't know who my grandfather was. I'm much more concerned to know what his grandson will be. potential The product has even more potential in exp
大学英语六级考试高频词汇
Researchers in the African country of Niger have introduced a new vaccine that protects against the diarrheal disease called rotavirus. 非洲国家尼日尔的研究人员推出了一种新型疫苗，可以预防轮状病毒腹泻。 A scientific t
2017年VOA慢速英语(四)月
Highly Effective Ebola Vaccine Developed in Guinea 几内亚开发高效埃博拉病毒疫苗 Researchers say an experimental vaccine has shown to be highly effective at preventing the deadly disease Ebola. The World Health Organization said Friday t
2015年VOA慢速英语(八)月
Participating in a Clinical Trial Lucinda: You look tired. Are you all right? Elan: Im fine. Its this clinical trial Im enrolled in. Im suffering from some side effects. Lucinda: Are they serious? Elan: No, theyre not too bad. I was told to expect so
2013年ESL之就医和人际交往
Come on, admit it -- you like living at breakneck speed. 好了，承认吧――你就喜欢忙得团团转。 Life in the Fast Lane James Gleick 1 We are in a rush. We are making haste. A compressio
全新版大学英语综合教程
SCIENCE IN THE NEWS - French Doctors Perform a Partial Face Transplant; Medical, Moral Questions By Katherine Gypson, Anne Pessala and George Grow Broadcast: Tuesday, December 13, 2005 (MUSIC) VOICE O
科技之光
SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE
科技之光
Brain Imaging Improves Treatment for Depression 大脑成像技术有助于治疗抑郁症 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Clinical depression is a serious medical condition. The
2014年VOA慢速英语(八)月
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about an experimental vaccine against the disease AIDS. We also will tell about a newly found hiding place for
VOA慢速英语2009年（十）月
Can You Name Four of the Healthiest, Tastiest Spices? 你可以列举四类最健康最美味的调味料吗？分享到: From VOA Learning English, this is the Health Lifestyle report. VOA英语学习健康及生活方式报道。 Here in the United
2016年VOA慢速英语(五)月
New Studies on HIV Treatment as Prevention Recent studies have shown that antiretroviral drugs can be used not only to treat HIV, but also to prevent infection in the first place. Its called pre-exposure prophylaxis or PrEP for short. Now, the wester
VOA标准英语2012年(四月)
South African researchers have made a scientific breakthrough in the fight against AIDS with a vaginal gel that significantly reduces a woman's risk of being infected with HIV, the virus that causes AIDS. Experts say the gel could be a revolutionary
VOA标准英语2010年(七)月
Dr. Katabira has worked extensively in the field of care and to support people with HIV. He said improved healthcare access for HIV patients will be his top priority during his two-year tenure as IAS president. I am going to continue, where IAS has b
VOA标准英语2010年(七)月
AILSA CHANG, HOST: Most drugs have side effects, but sometimes it's actually good news. For example, what if the side effects of a cheap and common drug would actually help you fight off the flu? This is not as far-fetched as it might seem, as NPR sc
2018年NPR美国国家公共电台7月
Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Since 1981, more than 30 million
环球英语 Spotlight
DEVELOPMENT REPORT - Study Says Vitamins May Slow AIDS Virus By Jill Moss Broadcast: Monday, July 12, 2004 This is Robert Cohen with the VOA Special English Development Report. A study of women infect
农业与发展
DEVELOPMENT REPORT - Researchers Develop an Experimental Treatment Against Cervical Cancer By Jill Moss Broadcast: Monday, April 11, 2005 This is Steve Ember with the V.O.A. Special English Developmen
农业与发展
HEALTH REPORT - Swedish Study Finds That Placebos Can Help Calm Emotions By Nancy Steinbach Broadcast: Wednesday, June 22, 2005 This is Gwen Outen with the VOA Special English Health Report.
健康与经济
Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff
VOA标准英语2009年(十二月)
You probably already know that blueberries are delicious. And you may have heard that theyre healthful, too.But did you know that blueberries boost memory in older people at risk for memory loss? A study looked at how drinking wild blueberry juice af
英语时差8，16