[网络] 甾酮类化合物；双黄酮类化合物

AP美联社一分钟新闻(2009-10-28)

This is AP News Minute. President Barack Obama is in Florida speaking in Jackson Building,the members of the military.The president remembered 14 Americans killed Monday in helicopter crashes in Afghanistan,saying they gave their lives to protect ar

发表于:2018-12-15 / 阅读(141) / 评论(0)

美联社新闻一分钟2009年(十)月

SSS 2008-09-25

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(133) / 评论(0)

Scientific American(九)月

英语语法：103 When Are Double Words OK?

Grammar Girl here. Today's topic is double words, Guest-writer Bonnie Trenga writes, Todays todays podcast podcast is is about words that are doubled, such as had had and is is. Words grammar checker automatically alerts you when you repeat a word, b

发表于:2019-01-02 / 阅读(97) / 评论(0)

英语语法 Grammar Girl

THIS IS AMERICA - Baseball Season Opens as Congress Investig

THIS IS AMERICA - Baseball Season Opens as Congress Investigates Steroid Use By Jill Moss Broadcast: Monday, April 11, 2005 VOICE ONE: Welcome to THIS IS AMERICA. I'm Steve Ember. VOICE TWO: And I'm F

发表于:2019-01-07 / 阅读(227) / 评论(0)

This is America

美联社新闻一分钟 2005-11-18

1 President Bush rules out helping North Korea build a civilian nuclear reactor for electricity until it dismantles its nuclear weapons programmes. 2 Iraq's Shiite Interior Minister says claims Iraqi

发表于:2019-01-08 / 阅读(158) / 评论(0)

美联社新闻一分钟2005

UNIT 7 Know Our World Coming! Lesson 55: Report on the Repor

[ti:UNIT 7 Know Our World Coming! Lesson 55: Report on the Report!] [0:00.285]UNIT 7 [0:02.416]Know Our World [0:05.613]Lesson 55: [0:08.384]Report on the Report! [0:12.931]I hope Brian can visit Hebei Province some day. 我希望布赖恩有一天能到

发表于:2019-01-09 / 阅读(235) / 评论(0)

河北教育初中英语（初中起点）八年级下册

河北加拿大版初中英语--Lesson 39

Lesson 39: [00:03.68]Clean Cars?To:Li-Ming@net.cn [00:11.05]Subject:New Fuel for Cars [00:16.20]From:jenny@compmail.ca [00:22.57]Date:08/05 4:33 PM Hi,Li Ming [00:31.03]This week in school,We studied transportation. [00:37.20]We learned about trains,

发表于:2019-01-09 / 阅读(314) / 评论(0)

河北加拿大版初中英语

2007年VOA标准英语-WFP Helps Nomads in Djibouti Recover From Droug

By Lisa Schlein Geneva 23 June 2007 The World Food Program says it is gradually shifting from emergency assistance to Food for Work projects to help thousands of nomadic herders in Djibouti recover from years of recurrent drought. WFP is running thes

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2007年VOA标准英语（六月）

VOA标准英语2009-Insurgents in Somalia Attack Presidential Compou

Somalia's government said it has repulsed a military attack by foreign-backed insurgents trying to overrun the presidential compound in Mogadishu and oust President Sheikh Sharif Sheikh Ahmed. News agencies report at least 110 people, mostly civilia

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VOA标准英语2009年(五月)

VOA标准英语2012--New Study Could Change Treatment For Asthma

New Study Could Change Treatment For Asthma Most adults who have mild or moderate asthma are told to use their inhalers twice daily, even if they don't have symptoms. The medicine in those compressed-air inhalers are corticosteroids, which open a per

发表于:2019-01-14 / 阅读(133) / 评论(0)

VOA标准英语2012年(十一月)

VOA常速英语2007-Raid Highlights Concerns Over Steroid Use

By Tony Budny Washington 01 October 2007 U.S. law enforcement officials last week announced their largest crackdown ever on performance enhancing drugs. The nationwide raid calls attention to what officials say are the dangers of steroid use among pr

发表于:2019-01-16 / 阅读(153) / 评论(0)

2007年VOA常速英语（十月）

美国国家公共电台 NPR The Art Of The Pitch: Vendors Hawk Items At The Ohio State Fair

AUDIE CORNISH, HOST: Most people go to the fair to ride the Tilt-A-Whirl or eat funnel cakes, but not our Planet Money team. Robert Smith and Kenny Malone traveled to the Ohio State Fair to learn the secret art of selling people things they might not

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2017年NPR美国国家公共电台8月

2006年VOA标准英语-Asteroid Approaches Earth: Destruction or Delig

By Paul Sisco Washington, DC 07 July 2006 watch Asteroid report A major asteroid passed by the Earth this week, and another is heading this way. An asteroid visible in the night sky Asteroids are similar to comets and meteors. But they are larger, m

发表于:2019-01-20 / 阅读(198) / 评论(0)

2006年VOA标准英语（七月）

2006年VOA标准英语-Large Asteroid Has 'Close' Brush with Earth

By Mike O'Sullivan Los Angeles 03 July 2006 A large asteroid, known as 2004 XP14, raced past the Earth early Monday. Scientists say it posed no threat to the planet, but serves as a reminder of the hazards encountered in space. -------- The rocky sp

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2006年VOA标准英语（七月）

2006年VOA标准英语-Controversy over Barry Bonds' Home Run Record

By Ernest Leong Washington, DC 08 June 2006 watch Bonds Controversy report Experts refer to baseball as a game of numbers. Recently, Boston Red Sox pitcher Curt Schilling won his 200th game and Derek Jeter of the New York Yankees collected his 2,000

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2006年VOA标准英语（六月）

美联社新闻一分钟 AP 2012-10-11

1. The tearful family and friends of slain US Border Patrol Agent Nicolas Ivie attended funeral services for him today. Ivie's death is believed to be the result of friendly fire. A second surviving agent was also shot. 2. President Barack Obama's ca

发表于:2019-02-11 / 阅读(164) / 评论(0)

美联社新闻一分钟2012(十月)

美联社新闻一分钟 AP 2012-10-12

1. Republican presidential nominee Mitt Romney will give a major foreign policy speech Monday when he visits Virginia Military Institute. Romney is expected to say that it's time to change course in the Middle East. 2. Federal health officials say th

发表于:2019-02-11 / 阅读(159) / 评论(0)

美联社新闻一分钟2012(十月)

New Study Could Change Treatment for Asthma

New Study Could Change Treatment for Asthma Global treatment guidelines for asthma could change as a result of a study led by a researcher at the University of Texas Medical Branch. Most adults who have mild or moderate asthma are told to use their i

发表于:2019-02-17 / 阅读(545) / 评论(0)

英语新闻

好听的英文歌曲：dsds - cry on my shoulder

deutschland sucht den superstar，deutschland sucht den superstar简称dsds，它不是一个乐团，也不是一个歌手，是一个来自德国的超级海选赛事的名称，就象内地的超级女声。 if the hero never comes to you 如果你的

发表于:2019-02-20 / 阅读(147) / 评论(0)

好听的英文歌曲

美语听力 English Cafe 216

Topics: Steroid use and other doping in professional sports; The Juilliard School; shell-shocked; way to go; be good Words: performance-enhancing drug steroid bodybuilder dose acne to cheat to dope prestigious audition humanities to rehearse composer

发表于:2019-03-05 / 阅读(162) / 评论(0)

美语听力 English Cafe

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arteriae iridis nasalis

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auxiliary arm

azene intermediate