有棘孢子；有棘种子；有棘果实

朗文3L看听学英语第四册 Lesson 53

Lesson 53 Television Day: Penicillin TV Commentary: If you leave a piece of bread in a warm damp place, mould will soon grow in it. When this happens, we say that bread has gone mouldy. Mould can grow on all kinds of things besides food-on leather, c

发表于:2018-12-20 / 阅读(242) / 评论(0)

朗文3L看听学英语第四册

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This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

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VOA慢速英语2011--Anthrax Has Been Widely Feared Since the 2001 Anthrax Attacks in the United

SCIENCE IN THE NEWS - Anthrax Has Been Widely Feared Since the 2001 Anthrax Attacks in the United BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about

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AS IT IS 2015-06-05 Anthrax Shipments Incident Continues to Grow 误发活性炭疽菌事件持续增加 The United States military now says it might have sent live anthrax to 52 laboratories in the United States and three other countries. On Wednesd

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VOA标准英语2012--Pakistani Woman Makes It Big as New York Chef

Pakistani Woman Makes It Big as New York Chef Fatima Ali is the sous - or assistant - chef at the famous Caf Centro in Midtown Manhattan. She is also one of the very few Pakistani women to graduate from Americas top culinary institute, the Culinary I

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VOA标准英语2012年(九月)

AGRICULTURE REPORT - Mushrooms

AGRICULTURE REPORT - Mushrooms By Bob Bowen Broadcast: Tuesday, May 11, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Year after year, mushrooms of every size and shape pus

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农业与发展

AP美联社一分钟新闻 2008-08-07

1.The FBI has released documents saying Army scientist Bruce Ivins had custody of anthrax spores identical to those that killed five and sickened at least 17 others in 2001.The FBI also says Ivins worked unusually late lab work hours around the time

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英语听力精选进阶版 6151

Whats the Next Big Thing? 09年哪个游戏会大红大紫？ 2008 was a bumper year for videogame sales in the UK, with British consumers forking out more than ￡4bn (40bn yuan) on games and consoles. Nintendo dominated the UK market, outstripping

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英语听力精选进阶版

TED演讲:用玩具创造世界

I've always wanted to be a cyborg. 我一直想成为一个半机械人。 One of my favorite shows as a kid was The Six Million Dollar Man, 我小时候最喜欢的电视剧之一是无敌金刚，它的造价是六百万美元。 and this is a litt

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