甲氧呋豆素,甲氧补骨脂素,花椒毒素

魔术美文记英语4级词汇 The New Autobiobiography

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发表于:2018-11-30 / 阅读(859) / 评论(0)

24篇魔术美文串记4级词汇

2013年ESL之就医和人际交往 17 Fearing Bioterrorism

Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s

发表于:2018-12-03 / 阅读(500) / 评论(0)

2013年ESL之就医和人际交往

儿童英语绘本：牛津阅读树ORT MP3下载 Phonics1 84 What a DIN

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发表于:2018-12-10 / 阅读(458) / 评论(0)

牛津阅读树ORTMP3（1-11级）

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蒋健棠听说学英语

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发表于:2018-12-29 / 阅读(478) / 评论(0)

新编大学英语阅读部分

ESL Podcast 930 – Fearing Bioterrorism

Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T

发表于:2019-01-01 / 阅读(500) / 评论(0)

地道美语播客

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

发表于:2019-01-02 / 阅读(626) / 评论(0)

科技之光

Biosolids

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

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VOA2003（下）-农业与经济

鹅妈妈童谣 72 ONE MISTY MOISTY MORNING

ONE MISTY MOISTY MORNING One misty moisty morning, When cloudy was the weather, I chanced to meet an old man, Clothed all in leather. He began to compliment And I began to grin. How do you do? And how do you do? And how do you do again?

发表于:2019-01-09 / 阅读(841) / 评论(0)

鹅妈妈童谣

VOA常速英语2008年-Asian Markets Remain Volatile in Limited Tradin

By Naomi Martig Hong Kong 20 March 2008 Stock markets in Asia remain jittery, with fears of a U.S. recession continuing to cause major market fluctuation. As Naomi Martig reports from Hong Kong, financial analysts say that this may be the beginning o

发表于:2019-01-12 / 阅读(504) / 评论(0)

VOA标准英语2008年（三月）

VOA标准英语2008年-Kenyan Tourism in Turmoil After Disputed Electi

By Nick Wadhams Nairobi 22 January 2008 The chief of Kenya's leading tourism body says post-election chaos has sparked the worst crisis the country's travel industry has ever seen, and that hotels and suppliers are at risk of collapse unless the poli

发表于:2019-01-13 / 阅读(436) / 评论(0)

VOA标准英语2008年（一月）

VOA标准英语2009-Iran's Ahmedinejad Addresses Supporters as O

Iranian President Mahmoud Ahmadinejad addressed thousands of flag-waving supporters at a victory rally to celebrate being officially proclaimed winner of Friday's election, despite widespread accusations of fraud. Supporters of Iranian President Mah

发表于:2019-01-13 / 阅读(545) / 评论(0)

VOA标准英语2009年(六月)

新西兰英语 60 Biosecurity

Anyone who arrives in New Zealand by plane knows about Biosecurity NZ. Bio means living and security means safe. Biosecurity NZ is a government department. Their job is to make our country safe from unwanted living pests. These pests are plants, anim

发表于:2019-01-27 / 阅读(507) / 评论(0)

新西兰英语

Lesson 130 - DINKS / SANDWICH GENERATION

dinks sandwich generation 我们上次给大家介绍了baby boomers和yuppies。这是两个反映美国社会变化的习惯用语。今天我们再给大家讲两个这方面的俗语。在第二次

发表于:2019-01-27 / 阅读(601) / 评论(0)

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The Edinburgh International Festival（爱丁堡国际艺术节

The Edinburgh International Festival is over fifty years old and has earned its reputation as one of the world's greatest celebrations of the arts. The founders of the Festival believed that the Festival programmes should be of the highest possible a

发表于:2019-01-30 / 阅读(482) / 评论(0)

阅读空间

AGRICULTURE REPORT - Biocontrols, Part 2

AGRICULTURE REPORT - Biocontrols, Part 2 By Mario Ritter Broadcast: Tuesday, April 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biocontrols are the way nature seeks ba

发表于:2019-01-30 / 阅读(578) / 评论(0)

农业与发展

VOA常速英语2007年-Concern Mounts Over Pakistan's Political Turmoi

By Ravi Khanna Washington, D.C. 23 November 2007 Three weeks after President Pervez Musharaff declared emergency rule, Pakistan's political unrest continues to make headlines around the world. Although President Bush says the Pakistani general has do

发表于:2019-01-31 / 阅读(476) / 评论(0)

VOA常速英语2007年（十一月）

音乐咖啡厅:One Step At A Time-Jordin Sparks

Jordin Sparks在她会说话之前, Jordin 的歌声就频频出现在电视和广播里, 三岁的时候就在她妈妈的磁带里清脆放音. 在小学时她用厨房当排练室，站在橱柜上练声，初中时在教堂唱诗班唱歌, 并乐此不疲。 2006年九月，她陆续赢得了亚利桑那偶像，西雅图偶像，接着在那里获得

发表于:2019-02-02 / 阅读(550) / 评论(0)

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俄科学家研制出"不老药"

俄罗斯莫斯科的一位生物能量学教授近日宣布，他已研制出一种能够有效延缓衰老的不老药，并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂，能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(571) / 评论(0)

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Newly Discovered Biomarker Predicts Cancer Growth

One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic（遗传的,基因的） m

发表于:2019-02-18 / 阅读(501) / 评论(0)

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absidia glauca

acetylene tetrabromide (heavy liquid)