改变的比例,改变的比值

EU Lifts Ban on Genetically Modified Foods, but Adds Conditi

Broadcast: July 15, 2003 This is Bill White with the VOA Special English Agriculture Report. On July second, the European 1)Parliament agreed to let new 2)genetically changed products enter the Europe

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VOA2003（下）-农业与经济

专业术语—基因专业词汇M/N

M 畸形 malformation 描图 mapping 标记 marker 黑色素瘤 melanoma 孟德尔 Mendel, Johann (Gregor) 孟德尔遗传 Mendelian inheritance 信使RNA messenger RNA (mRNA) [分裂]中期 metaphase

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医务英语

VOA慢速英语2012 Health Report - Scientists Dispute Study of Genetically Modified Corn

Health Report - Scientists Dispute Study of Genetically Modified Corn 健康报道 - 科学家对转基因玉米导致肿瘤提出异议 From VOA Learning English, this is the Health Report in Special English. 这里是美国之音慢速英语健康报

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2012年VOA慢速英语(十一)月

VOA标准英语2012--Mosquitoes Genetically Modified to Prevent Malaria

Mosquitoes Genetically Modified to Prevent Malaria There may soon be a new weapon in the fight against malaria - a genetically-modified mosquito that kills the disease-causing parasite once it becomes infected. Malaria is a leading cause of death wor

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VOA标准英语2012年(一月)

高中英语人教版高一下讲解14

[03:47.71]MODERN AGRICULTURE [03:53.59]For thousands of years traditional agriculture in China did not change very much. [04:01.14]Most farms were one-family businesses. [04:05.68]Although China is a very big country, [04:09.84]only seven percent of

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高中英语人教版高一

2013年ESL之餐饮娱乐 02 Eating Genetically Modified Foods

Eating Genetically Modified Foods Ralph: Whats that? Nicky: Its a bigger and better tomato. Its been genetically modified. Ralph: Youre not going to eat that, are you? Nicky: Of course I am. Im making a salad. Want one? Ralph: No way. I dont want to

发表于:2018-12-27 / 阅读(118) / 评论(0)

2013年ESL之餐饮娱乐

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

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数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

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数学英语

US-EU Dispute over Genetically Modified1 Foods

Broadcast:Feb 25, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. The Bush administration has been trying to get the European Union to accept new genetically engineered crops.

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VOA2003（上）-社会广角

Genetically modified cows

Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo

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六分钟英语

租房好还是买房好

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(153) / 评论(0)

英语小短文

VOA标准英语2010年-Genetically-Modified Mosquito Can't Tr

Under UV light, this mosquito larva reveals a red fluorescent marker in its nervous system, causing eyes and nerves to glow. The marker's presence tells the researchers in Riehle's team that this individual carries the genetic construct rendering it

发表于:2019-01-13 / 阅读(141) / 评论(0)

VOA标准英语2010年(七)月

VOA标准英语2013--Kerry Praises Genetically Modified Crops

Kerry Praises Genetically Modified Crops U.S. Secretary of State John Kerry said Wednesday the United States supports the use of biotechnology to develop so-called smart crops that can withstand droughts and floods and require less fertilization. So

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VOA标准英语2013年(六月)

美国国家公共电台 NPR Florida Keys Approves Trial Of Genetically Modified Mosquitoes To Fight Zika

Florida Keys Approves Trial Of Genetically Modified Mosquitoes To Fight Zika play pause stop mute unmute max volume 00:0003:37repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat

发表于:2019-01-16 / 阅读(123) / 评论(0)

2016年NPR美国国家公共电台11月

VOA标准英语2010年-Genetically Modified Food Crops Suffer

Protesters stop Indian Environment Minister Jairam Ramesh (C) in black and white dress, as he arrives to attend a public hearing on Bt brinjal, or genetically modified (GM) eggplant crop, at Central Research Institute for Dryland Agriculture in Hyder

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VOA标准英语2010年(二月)

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(187) / 评论(0)

英语新闻

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(173) / 评论(0)

英闻天下

VOA标准英语2010年-India Debates Genetically-Modified Egg

Critics question safety of the pest-resistant strain Steve Baragona | Washington, DC 05 February 2010 An Indian seed company has developed an eggplant that it says will dramatically reduce the need for pesticides. Related Links Mahyco Navdanya Indian

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VOA标准英语2010年(二月)

托福阅读备考之长难句分析

世界本没有长难句，修饰成分多了，便有了长难句。阅读速度大部分来于短时间内理解长难句的能力。大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？

发表于:2019-02-18 / 阅读(159) / 评论(0)

托福英语

学个词 Learn a Word-VOA英语教学 2780 genetically modified

今天我们要学的词是 genetically modified. Genetically modified 转基因的。Officials are considering using genetically modified mosquitoes to fight the zika virus in Houston. 有关官员考虑使用转基因蚊子在休斯敦打击寨卡病

发表于:2019-03-07 / 阅读(175) / 评论(0)

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