[化] 硫化镨

CNN 2009-11-25

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(126) / 评论(0)

cnn2009年(十一)月

60秒科学:Mercury Fillings Seem Safer over Time

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(191) / 评论(0)

60秒科学

外研社新课标高中英语选修7MODEL6--06Reading Pra

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

发表于:2019-01-10 / 阅读(191) / 评论(0)

外研社新标准高中英语选修7

外研社新课标高中英语选修7MODEL3--03Reading Pra

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外研社新标准高中英语选修7

外研社新课标高中英语选修7MODEL4--04Reading Pra

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外研社新标准高中英语选修7

外研社新课标高中英语选修7MODEL5--05Reading Pra

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外研社新标准高中英语选修7

外研社新课标高中英语选修9MODEL6--06Reading Pra

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外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL3--03Reading Pra

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外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL5--05Reading pra

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外研社新标准高中英语选修9

外研社新课标高中英语选修9MODEL4--04Reading Pra2

发表于:2019-01-10 / 阅读(388) / 评论(0)

外研社新标准高中英语选修9

VOA慢速英语2009-Health Report - Study Links Hot Weather to Migra

This is the VOA Special English Health Report. A migraine headache can cause disabling pain. People may not feel back to normal for hours or even days. Migraine headaches are most common among young adults and middle-aged people. In the United State

发表于:2019-01-11 / 阅读(112) / 评论(0)

VOA慢速英语2009年（三）月

Garlic: The Key to a Long Life?

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(185) / 评论(0)

2016年VOA慢速英语(十二)月

VOA标准英语 Obama to Seek Unity at G-20 Summit, Agrees with Medv

U.S. President Barack Obama says he seeks unity at the G-20 economic summit in London, and a new arms deal with Russia. It was a busy day of diplomacy for Mr. Obama as he launched his first overseas trip as president. Britain's Prime Minister Gordon

发表于:2019-01-13 / 阅读(129) / 评论(0)

VOA标准英语2009年(四月)

2007年VOA标准英语-Bush Arrives for G-8 Summit Amid Protests and P

By Sonja Pace Heiligendamm 05 June 2007 President Bush is in the German Baltic Sea resort of Heiligendamm for the three-day summit of the G-8 group of the world's leading industrial nations. The summit opens Wednesday amid protests and policy differe

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2007年VOA标准英语（六月）

2006年VOA标准英语-India's Holy City Hums with Life as Kashmi

By Anjana Pasricha New Delhi 09 March 2006 In India, the holy Hindu city of Varanasi has bounced back to normal two days after it was hit by deadly bomb blasts. An unknown Muslim militant group in Kas

发表于:2019-01-26 / 阅读(268) / 评论(0)

2006年VOA标准英语（三月）

英语听力文摘 English Digest 505、不能不说的秘密

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(119) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 70、细菌可除臭?

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(127) / 评论(0)

英语听力文摘 English Digest

EDUCATION REPORT - Learning Disabilities, Part 4: Dyspraxia

EDUCATION REPORT - Learning Disabilities, Part 4: Dyspraxia By Nancy Steinbach Broadcast: Thursday, February 26, 2004 This is Steve Ember with the VOA Special English Education Report. People who have

发表于:2019-01-30 / 阅读(182) / 评论(0)

教育与新闻

原来这就是网上那些神一般的SEO

This is Search Engine Optimization Explained by Common Craft. 本期介绍搜索引擎优化。 Imagine for a minute that youre a librarian, but not a normal one. Youre a librarian for every book in the world. 假设你是名超级图书管理员，管

发表于:2019-02-05 / 阅读(122) / 评论(0)

英语万花筒

2007年VOA标准英语-Human Rights Groups Demand Accounting for Missi

By David Gollust Washington 07 June 2007 Leading human rights groups Thursday called on the U.S. government to account for terrorism suspects they believe were detained by U.S. authorities abroad but whose whereabouts are now unknown. The Bush admini

发表于:2019-02-07 / 阅读(144) / 评论(0)

2007年VOA标准英语（六月）

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学英语单词

almogavar

arithmetic mode conversion

arterial spider

Bambesi

basibranchial plate

bilateral manipulator