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What Causes Altitude Sickness? Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty

发表于:2018-12-05 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(49) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Exercise 5-11 : Final L Practice Repeat the following lists. bull pull wool full Schultz tulle you'll ball hall hauled pall wall fall shawl tall vault yawl call bowel howl howled Powell foul towel vowel yowl cowl bell hell held pell well fell shell t

发表于:2018-12-27 / 阅读(57) / 评论(0) 分类 美式英语正音训练

A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 60秒科学

Cocaine 可卡因 Cocculine 衡州乌药灵 Coclaurine 乌药碱 Codeine 可待因 Codonopsis P.E. 党参提取物 Colchicine 秋水仙碱 Columbin 古伦宾 Common cnidium fruit P.E 蛇床子提取物

发表于:2019-01-03 / 阅读(82) / 评论(0) 分类 医务英语

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(81) / 评论(0) 分类 健康与环境

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(九)月

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(154) / 评论(0) 分类 2006年VOA标准英语(八月)

Passage Two 29. A. 4. B. 5. C. 6. D. 7. 30. A. They are shy and sensitive. B. They are quiet and sensitive. C. They are shy and suspicious. D. They are quiet and reserved. 31. A. The way people sleep shows their personality. B. It is easy to change a

发表于:2019-01-25 / 阅读(81) / 评论(0) 分类 英语四级听力-短对话

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(123) / 评论(0) 分类 科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 健康与经济

By Carol Pearson Washington 11 October 2007 A children's hospital in Texas reports a rare condition that can threaten the lives of identical twins. The disorder has been noticed in a number of countries with advanced medical practices. A hospital spo

发表于:2019-01-31 / 阅读(68) / 评论(0) 分类 2007年VOA常速英语(十月)

Amoment of crime scene investigation Ya?l: Hi Don, what are you... Don: Shh! I'm watching my favorite TV police drama: Crime Lab! Y: Oh, cool. Hey, what's that guy doing? D: Y'know Ya?l, you do have the right to remain silent... Y: Why is he spraying

发表于:2019-02-15 / 阅读(61) / 评论(0) 分类 英语时差8,16

睡觉姿势揭示你的性格 Whether it's curled up in the fetal position, flat on the stomach or stretched out across the bed, the way people sleep reveals their personality, a British sleep expert said. Professor Chris Idzikowski, direCTor of the

发表于:2019-02-18 / 阅读(83) / 评论(0) 分类 阅读空间

Related reading: Chinese scientists on Wednesday announced the first direct evidence linking the Zika virus to microcephaly in mice experiments. Xu Zhiheng with the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences in

发表于:2019-02-18 / 阅读(98) / 评论(0) 分类 cctv9英语新闻2016年

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 On

发表于:2019-02-21 / 阅读(70) / 评论(0) 分类 环球英语 Spotlight

The vampire is the stuff of the great horror stories. However, a recent textbook by geneticist John Jenkins suggests that Bram Stokers legend of the vampire, Dracula, may have had its basis in a very real disease that prevents some people from gettin

发表于:2019-03-06 / 阅读(192) / 评论(0) 分类 英语时差8,16
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