非专化发病

Medical marijuana is now available in 28 states. But a big obstacle to research on marijuana as medicine is that its listed by the federal government on whats called Schedule I. Assignment to Schedule I means that the Food and Drug Administration doe

发表于:2018-12-24 / 阅读(33) / 评论(0) 分类 2017年Scientific American(二)月

DEVELOPMENT REPORT - Television Dramas Help Save Lives By Jill Moss Broadcast: Monday, March 15, 2004 This is Robert Cohen with the VOA Special English Development Report. More than three-million peop

发表于:2019-01-04 / 阅读(51) / 评论(0) 分类 农业与发展

DEVELOPMENT REPORT - Fighting Malaria, Part 2 By Karen Leggett Broadcast: Monday, August 02, 2004 This is Robert Cohen with the VOA Special English Development Report. Today we report on some national

发表于:2019-01-08 / 阅读(33) / 评论(0) 分类 农业与发展

DEVELOPMENT REPORT - HIV Stigma Toolkit By Jill Moss Broadcast: Monday, January 19, 2004 This is Robert Cohen with the VOA Special English Development Report. People living with AIDS and the virus tha

发表于:2019-01-25 / 阅读(47) / 评论(0) 分类 农业与发展

DEVELOPMENT REPORT - Malaria Vaccine By Karen Leggett Broadcast: Monday, April 05, 2004 This is Robert Cohen with the VOA Special English Development Report. Graphic Image Malaria is a very serious di

发表于:2019-01-30 / 阅读(42) / 评论(0) 分类 农业与发展

解答GRE阅读理解题目的关键点是什么呢?很多考生在GRE阅读考试中不能很好的把握阅读考察的侧重点,以至于在阅读部分拿不到高分,那么GRE考试中阅读的关键点有哪些呢?下面就随小编一起来了

发表于:2019-03-11 / 阅读(143) / 评论(0) 分类 GRE英语