地方性动物缺硒病

Ghana and Nepal Eliminate Trachoma Trachoma is a disease of the poor. And it is a misery to endure. It is a painful malady of the eyes, caused by frequent and repeated eye infections that scar the inside of the eyelids so the eyelashes rotate inwards

发表于:2018-12-08 / 阅读(88) / 评论(0) 分类 VOA标准英语2018年(六月)

[ti:UNIT 2 DNA Lesson 16 Unit Review] [0:01.176]UNIT 2 第二单元 [0:02.885]DNA [0:05.472]Lesson 16: 第16课: [0:07.626]Unit Review 单元复习 [0:09.619]I. [0:10.436]Building Your Vocabulary 构建你的词汇 [0:12.825]A. [0:13.790]Complete t

发表于:2018-12-10 / 阅读(199) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

[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

发表于:2018-12-13 / 阅读(223) / 评论(0) 分类 人教全日制普通高中英语(必修)高二

> 09 英国农业部正试图阻止口啼疫蔓延 DATE=3-6-01 TITLE=AGRICULTURE REPORT - Foot-and-Mouth Disease BYLINE=George Grow (Start at 58

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 科技之光

By Nancy Steinbach Broadcast: August 27, 2003 This is Bill White with the VOA Special English Health Report. The World Health Organization says more than one-million people this year will discover the

发表于:2019-01-02 / 阅读(121) / 评论(0) 分类 VOA2003(下)-环境与健康

By Zulima Palacio Washington 16 October 2007 As the world's population grows, the need to ensure food safety from farms to fork has become a major international concern, with most of the attention focused on livestock. Producer Zulima Palacio talked

发表于:2019-01-04 / 阅读(117) / 评论(0) 分类 2007年VOA常速英语(十月)

This is the VOA Special English Agriculture Report. Rinderpest, foot-and-mouth disease and bluetongue disease are all animal viruses that can ruin a farmer. An outbreak of one disease is bad enough. Britain has been dealing with foot-and-mouth -- an

发表于:2019-01-11 / 阅读(112) / 评论(0) 分类 VOA慢速英语2007年(十)月

Searching for Animal Disease Transmission Researchers are not waiting for the next new disease to emerge. Theyre studying our near and distant primate relatives to try to prevent future epidemics. HIV/AIDS is a well-known zoonotic disease, an illness

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2012年(八月)

Animal-to-Human Disease Cycle Widening Nearly two-and-a-half billion people become ill every year from diseases transmitted from animals. Most are in low- and middle-income countries. A new study lists the top geographical hotspots for these diseases

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2012年(七月)

Scientists Suggest Adding Selenium to Diets in Malawi The study, which was published in the journal Scientific Reports, found that most Malawi soils do not have an adequate amount of selenium required for human nutrition. In the report, researchers a

发表于:2019-01-14 / 阅读(91) / 评论(0) 分类 VOA标准英语2013年(三月)

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

发表于:2019-01-22 / 阅读(176) / 评论(0) 分类 科技之光

36 反口蹄疫的疫苗 VOICE ONE: (Start at 1'00

发表于:2019-01-30 / 阅读(114) / 评论(0) 分类 科技之光

Gene for Disease Has Healthy Flip Side A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports Sickle cell disease is

发表于:2019-01-30 / 阅读(208) / 评论(0) 分类 60秒科学

70 疯牛病预防讨论会 DATE=7-17-01 TITLE=AGRICULTURE REPORT - Mad Cow Conference BYLINE=George Grow (Start at 01'0

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 科技之光

22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08

发表于:2019-01-30 / 阅读(143) / 评论(0) 分类 科技之光

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

发表于:2019-01-30 / 阅读(113) / 评论(0) 分类 科技之光

HEALTH REPORT – World Tuberculosis Day, 2005 By Cynthia Kirk Broadcast: Wednesday, March 23, 2005 Thursday is World Tuberculosis Day. It is recognized on March twenty-fourth each year to raise aware

发表于:2019-01-30 / 阅读(177) / 评论(0) 分类 健康与经济

By Sabina Castelfranco Rome 12 October 2006 The United Nations Food and Agriculture Organization on Thursday inaugurated a new Crisis Management Center to fight avian influenza outbreaks and other major animal health or food health-related emergenci

发表于:2019-02-04 / 阅读(146) / 评论(0) 分类 2006年VOA标准英语(十月)

BEIJING, July 1 (Xinhuanet) -- China must adopt a holistic approach to addressing food safety challenges connected to the risk of contracting infectious diseases from contact with animals, the World Health Organization (WHO) has said. Peter Ben Embar

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 英语新闻

与宠物亲热可致命 Letting sleeping dogs lie in your bed can make you sick, research suggests. 研究发现,经常让狗狗睡在你的床上,这将有可能是你患病。 Pet owners may increase the chances of contracting everything from

发表于:2019-02-11 / 阅读(97) / 评论(0) 分类 实用英语