胎儿血液循环；胎循环

step by step 第三册 lesson 105

UNIT 53 COMMUNICATION( Ⅰ ) Lesson 105 Part Ⅰ UNIT 53 COMMUNICATION( Ⅰ ) Lesson 105 Part Ⅰ Warming-up Exercises Numbers: Circulation of Some of the Major British and American Newspapers Newspap

发表于:2018-12-27 / 阅读(121) / 评论(0)

英语听力入门 (全四册)

美式英语正音训练第77期:练习5(11)

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

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美式英语正音训练

HEALTH REPORT - Folic Acid Reduces Fetal Deaths

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(155) / 评论(0)

健康与环境

2006年VOA标准英语-Fetal Stem Cells Created Without Destroying Emb

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

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2006年VOA标准英语（八月）

英语四级听力-短对话 209

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

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英语四级听力-短对话

Stem Cells in Fat

> 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

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科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns

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

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健康与经济

VOA常速英语2007-Fetal Surgery More Common, Shows Promise

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

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2007年VOA常速英语（十月）

睡觉姿势揭示你的性格

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(150) / 评论(0)

阅读空间

CCTV9英语新闻：Chinese scientists find first direct evidence linking Zika virus to microcephaly in lab tests

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(142) / 评论(0)

cctv9英语新闻2016年

环球英语 — 216：The Ninth Day of the Ninth Month

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(131) / 评论(0)

环球英语 Spotlight

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Antoine Laurent de Jussieu