药效潜伏化

Placebo Effect Update

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(57) / 评论(0)

VOA2003（下）-环境与健康

Death Sentence Having Little Effect on Drug in Southeast Asia

A United Nations report says Asia is becoming a major center for the cocaine trade. The UN report says Colombia remains the worlds top producer of cocaine. Yet the amount of the drug seized in Asia in 2016 was three times greater than the amount seiz

发表于:2019-01-03 / 阅读(33) / 评论(0)

2018年VOA慢速英语(七)月

VOA标准英语2008年-Triple-Drug Therapy Found Most Effective Agains

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(56) / 评论(0)

VOA标准英语2008年（五月）

2006年VOA标准英语-Breast Cancer Prevention Drug a Possibility

By Crystal Park Washington, D.C. 23 June 2006 Watch Drug Report Raloxifene A drug that treats osteoporosis has also been found to be effective in preventing breast cancer. The results are published in this week's Journal of the American Medical Asso

发表于:2019-01-13 / 阅读(101) / 评论(0)

2006年VOA标准英语（六月）

Placebo Effect Study

60 测试新药安慰剂的疗效 DATE=6-21-01 TITLE=SCIENCE REPORT - Placebo Effect Study BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(75) / 评论(0)

科技之光

跟艾米莉一起学口语第491期:你更喜欢哪个

What do you prefer? 你更喜欢哪个 What do you prefer?Tea or coffee? 茶和咖啡你更喜欢哪个？ What do you prefer?By a taxi or take a walk? 坐出租车和散步，你想选哪个？ A:Do you prefer tea or coffee? 你喜欢咖啡还是茶？

发表于:2019-02-12 / 阅读(69) / 评论(0)

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学英语单词

all-purpose manipulator