孢相谱

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(88) / 评论(0)

朗文3L看听学英语第四册

SSS 2012-07-17

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

发表于:2019-01-08 / 阅读(120) / 评论(0)

Scientific American(七)月

胡敏读故事记单词托福词汇206

206. The spinal cord operation脊髓手术 spectra-sponge There was a lecture given at a medical school on a spinal cord operation. The professor began: In order to have a speedy but safe operation, one must speculate on the entire spectrum of possib

发表于:2019-01-08 / 阅读(58) / 评论(0)

胡敏托福词汇记单词

VOA慢速英语2013 AS IT IS 2013-06-14 NASA Scientists Still Dream of, and Plan for, Human Travel to Mars

AS IT IS 2013-06-14 NASA Scientists Still Dream of, and Plan for, Human Travel to Mars From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agen

发表于:2019-01-12 / 阅读(59) / 评论(0)

2013年VOA慢速英语(六)月

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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2011年VOA慢速英语(十一)月

VOA慢速英语2015 误发活性炭疽菌事件持续增加

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

发表于:2019-01-12 / 阅读(65) / 评论(0)

2015年VOA慢速英语(六)月

托福听力词汇量不够怎么办

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分，如果连审题都有困难，那么建议先别急着考试，好好从

发表于:2019-01-17 / 阅读(101) / 评论(0)

托福英语

托福听力之3个听力词汇量的5大关键点

在托福考试中，听力是一个很重要的环节，而在听力备考的过程中，词汇又是非常重要的。在托福听力的备考过程中，我们细细翻一下TPO资料，如果发现连审题都有着困难，那么，这时候就建

发表于:2019-01-17 / 阅读(107) / 评论(0)

托福英语

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

发表于:2019-01-30 / 阅读(95) / 评论(0)

农业与发展

Egypt's president names vice president, new military leadership

CAIRO, Aug. 12 (Xinhua) -- Egyptian President Mohamed Morsi appointed Sunday Abdel Fatah el Seisy as defense minister and chief of the supreme council of the armed forces, presidential spokesman Yasser Ali announced. El Seisy, 58, used to be the lead

发表于:2019-02-07 / 阅读(88) / 评论(0)

英语新闻

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

发表于:2019-02-11 / 阅读(160) / 评论(0)

美联社新闻一分钟2008年(八)月

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

发表于:2019-02-13 / 阅读(68) / 评论(0)

英语听力精选进阶版

【英语语言学习】人类到火星旅行

From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are

发表于:2019-02-16 / 阅读(61) / 评论(0)

英语语言学习

经济学人: 热带疾病 (2)

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(91) / 评论(0)

经济学人科技系列

经济学人237:寻找外星生物闪烁吧小行星

The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命

发表于:2019-02-16 / 阅读(123) / 评论(0)

经济学人科技系列

经济学人452:光学方法帮助寻找其他太阳系的生命

Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能

发表于:2019-02-18 / 阅读(62) / 评论(0)

经济学人综合

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

发表于:2019-02-21 / 阅读(85) / 评论(0)

TED演讲教育篇

万物简史第184期:爱因斯坦的宇宙(27)

Combining Leavitt's cosmic yardstick with Vesto Slipher's handy red shifts, Edwin Hubble now began to measure selected points in space with a fresh eye. In 1923 he showed that a puff of distant gossamer in the Andromeda constellation known as M31 was

发表于:2019-02-25 / 阅读(112) / 评论(0)

万物简史

托福考试话题类单词术语

话题类单词，术语托福考试的lecture话题非常广泛，虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题，但事实上这四个话题已经能囊括任何专业知识点了，知识面再广的学

发表于:2019-02-26 / 阅读(117) / 评论(0)

托福英语

托福听力中遇到太多的生词如何处理

很多考生托福听力薄弱，主要原因在于托福词汇量不够。听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业，有大量的专有名词，一拿

发表于:2019-03-04 / 阅读(129) / 评论(0)

托福英语

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