单词：trace element deficiency
单词：trace element deficiency 相关文章
[00:06.79]Jane works at the Center for Disease Control and prevention [00:12.12]as a disease detective. [00:15.46]Listen to the tape and answer the questions. [00:19.91]The Diseases detective. [00:23.46]Jane is one of the experts at the Center for Di
人教全日制普通高中英语（必修）高二
MARY LOUISE KELLY, HOST: The phrase leave no trace is often used to describe good behavior in national parks, meaning enjoy the scenery, and then leave the park exactly as pristine as you found it. The new movie Leave No Trace is about a father and d
2018年NPR美国国家公共电台7月
Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency
Scientific American(十二)月
By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved
VOA2004（下）--健康科技
Dispute About Genetically Engineered Rice 关于转基因大米的争论 Scientists in the Philippines are working to make changes to rice. They hope these changes will help solve one of the worlds biggest health issues: the lack of Vitamin A. It is
2015年VOA慢速英语(四)月
VOICE ONE: This is Faith Lapidus. VOICE TWO: Cole Porter And this is Steve Ember with People in America in VOA Special English. Today we bring you the second part of our program about American songwriter Cole Porter. Porter wrote his songs from the
VOA慢速英语2008年（二）月
By Kari Barber Dakar 06 July 2007 After years of turmoil and economic hardship, the small West African nation of Guinea Bissau is facing a health challenge caused by the absence of iodine in the nation's diet. In countries where iodine is not already
2007年VOA标准英语（七月）
From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im June Simms. And Im Christopher Cruise. Today, we examine recent findings about how intelligence develops in babies. We look at when and how babies learn, and the importance
英语语言学习
Australian researchers have identified a new condition characterized by extreme laziness: motivational deficiency disorder (MoDeD). MoDeD is far different from being a couch potato when you get home from work or sleeping in late on a Sunday morning.
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23 患爱滋病的母亲不宜母乳喂养婴儿 DATE=3-19-01 TITLE=DEVELOPMENT REPORT - Breastfeeding and AIDS BYLINE=Jill Moss (Start at 1'00
科技之光
LOS ANGELES, March 3 (Xinhua) -- More and more American adults are suffering from a decline in overall sleep duration(持续时间), the U.S. Centers for Disease Control and Prevention (CDC) (疾病防治中心) said on Thursday. It's recommended tha
英语新闻
By Peter Heinlein New York City 05 October 2007 Runners on the streets of New York are commonplace this time of year. There is the marathon next month, and occasionally, other organized runs. But one annual event has skyrocketed to prominence in rece
2007年VOA常速英语（十月）
让你增加工作活力的5个方法 1. Engage in a quick conversation with a high-energy colleague. Their positive energy may refresh you. (Just be careful not to drag them down!) 与精力充沛的同事进行短暂的交谈。他们积极的干劲会
实用英语
【生词预览】 detect查明、测出，mental智力的，deficiency缺陷、不足，confess承认 【笑话原文】 Dont Know Much about History Would you mind telling me, Doctor, Bob asked, how you detect a mental deficiency in somebody who ap
英语笑话（MP3+文本）
Harvard University professor John Palfrey recently spoke in Taipei on the subject of youth and contemporary media, the digital age, and parenting. I read the news on his lecture with care. (Palfrey) said it is down to parents and schools to determine
英语听力文摘 English Digest
Lionel Andres Messi was born on June 24, 1987 in the city of Rosario, Argentina. Everyone knows him now as the best football player in the world. In fact, a lot of people say he might become the greatest player ever. Well see about that at the World
世界名人简介
[00:13.73]Mental deficiency [00:16.10]智力缺陷 [00:19.02]Would you mind telling me, Doctor, [00:22.09]Bob asked... [00:23.67]how you detect a mental deficiency in somebody [00:28.05]who appears completely normal? [00:31.34]Nothing is easier, he r
英语笑话（MP3+文本）
D deadlock,declaration,deficiency,deflection,degradation,delegation,delivery, democracy,demonstration, departure,dependence,deposition,depression,deputy,derivation,destination, destiny,destruction, de
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