单词：vitamin d2
单词：vitamin d2 相关文章
[00:00.00]That is the end of Part B. [00:06.32]Part C You will hear three dialogues or monologues. [00:15.52]Before listening to each one, [00:19.80]you will have time to read the questions related to it. [00:24.97]while listening, answer each questi
全国公共英语等级考试四级
[00:00.00]Questions 14-16 are based on the following talk [00:06.79]about the new marketing drive of Microsoft Corp. [00:12.43]You now have 15 seconds to read Questions 14--16. [00:19.70]Microsoft Corp.said today [00:24.03]it would offer a free compu
全国公共英语等级考试五级
Broadcast: Feb 5, 2003 By Jerilyn Watson This is the VOA Special English Health Report. For many years, scientists have known that people need Vitamin D. The body needs the vitamin to have normal leve
VOA2003（上）-健康资讯
67 维生素C能否破坏DNA？ DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59
科技之光
DEVELOPMENT REPORT – April 15, 2002: Vitamin-Enriched Drinks By Jill Moss This is the VOA Special English Development Report. The Coca-Cola Company is developing a new healthy drink for people in de
农业与发展
AGRICULTURE REPORT - Vitamin E and Poultry Health By Mario Ritter Broadcast: Tuesday, August 17, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Researchers say extra vitamin
农业与发展