[经] 技术性成本, 建造性成本

英语语法：233 What Is a Straw Man Argument?

by Mignon Fogarty Political ads and analysis are reaching a fever pitch, so it seems like a good time to talk about the phrase straw man. What does it mean when two people are debating and one accuses the other of putting forth a straw man argument?

发表于:2018-12-01 / 阅读(143) / 评论(0)

英语语法 Grammar Girl

AGRICULTURE REPORT - Genetically Engineered Crops Increasing

AGRICULTURE REPORT – January 29, 2002: Genetically Engineered Crops Increasing By George Grow Soybeans This is the VOA Special English AGRICULTURE REPORT. Increasing numbers of farmers are growing g

发表于:2018-12-07 / 阅读(93) / 评论(0)

农业与发展

Genetically Engineered Pigs

Boadcast: February 18, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Food in the United States can include genetically engineered crops. No genetically engineered animals, h

发表于:2018-12-07 / 阅读(93) / 评论(0)

VOA2003（上）-科技导航

Genetically Engineered Salmon1

Broadcast: Jan 28, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. A number of companies are expected to seek approval from the United States Food and Drug Administration to p

发表于:2018-12-07 / 阅读(146) / 评论(0)

VOA2003（上）-科技导航

AGRICULTURE REPORT - Californians Vote on Biotech Crops

AGRICULTURE REPORT - Californians Vote on Biotech Crops By Mario Ritter Broadcast: Tuesday, November 09, 2004 This is Gwen Outen with the VOA Special English Agriculture Report. Voters in the American

发表于:2018-12-07 / 阅读(71) / 评论(0)

农业与发展

VOA慢速英语2010-Agriculture Report - Transgenic Crops Get

This is the VOA Special English Agriculture Report. American farmers first planted genetically engineered crops in nineteen ninety-six. Today eighty percent of the cropland for soybeans, maize and cotton in the United States is transgenic. Genetic en

发表于:2018-12-07 / 阅读(73) / 评论(0)

2010年VOA慢速英语(四)月

Pill Combines Biology, Electronics to Recognize Diseases

Researchers say a pill could soon send radio signals from inside your stomach to help doctors recognize signs of disease. Scientists have developed a small pill for patients to swallow. It mixes synthetic biology and electronics to find bleeding in t

发表于:2018-12-08 / 阅读(98) / 评论(0)

2018年VOA慢速英语(六)月

美国英语听力80篇1 Lesson17

[00:04.83]Last month, delegates from more than one-hundred nations approved the first international treaty [00:12.54]about trade in products made by processes of genetic engineering. [00:18.00]Genetic engineering involves changing the genes of living

发表于:2018-12-26 / 阅读(124) / 评论(0)

美国英语听力80篇

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.

发表于:2019-01-02 / 阅读(114) / 评论(0)

VOA2003（上）-社会广角

AGRICULTURE REPORT - Calls for a 'Gene Revolution'

AGRICULTURE REPORT - Calls for a 'Gene Revolution' By Mario Ritter Broadcast: Tuesday, June 01, 2004 This is Steve Ember with the VOA Special English Agriculture Report. There are sixty-eight million

发表于:2019-01-04 / 阅读(151) / 评论(0)

农业与发展

AGRICULTURE REPORT - Genetically Engineered Food Aid

AGRICULTURE REPORT – September 17, 2002: Genetically Engineered Food Aid By George Grow This is the VOA Special English AGRICULTURE REPORT. A food crisis in southern Africa has added to the debate a

发表于:2019-01-09 / 阅读(80) / 评论(0)

农业与发展

美国科学家宣称转基因食品是安全的

AS IT IS 2016-05-21 US Scientists Say Genetically Engineered Foods Are Safe 美国科学家宣称转基因食品是安全的 American scientists announced this week that genetically engineered food is generally safe for humans and the environment. Th

发表于:2019-01-12 / 阅读(68) / 评论(0)

2016年VOA慢速英语(五)月

VOA慢速英语20060214a

AGRICULTURE REPORT - As Biotech Crops Spread, E.U. Is Found to Stand in the WayBy Mario Ritter Broadcast: Tuesday, February 14, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. ag

发表于:2019-01-16 / 阅读(139) / 评论(0)

2006年慢速英语（二）月

每日一词【188】embrace：拥抱/热情支持

今天我们要学的词组是embrace。 Embrace的意思是拥抱，The mother embraced her son warmly. Embrace也有热情支持和接受的意思。俄罗斯前领导人叶利钦不幸病逝，媒体评价说，叶利钦执政期间策划了苏联的

发表于:2019-01-25 / 阅读(85) / 评论(0)

英语每日一词

AGRICULTURE REPORT - Monsanto Decides Against Genetically En

AGRICULTURE REPORT - Monsanto Decides Against Genetically Engineered Wheat By Mario Ritter Broadcast: Tuesday, May 18, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Last we

发表于:2019-01-30 / 阅读(93) / 评论(0)

农业与发展

Rules for Genetically Engineered Foods

76 关于基因工程食品的网络法规 DATE=7-26-01 TITLE=SCIENCE REPORT - Rules for Genetically Engineered Foods BYLINE=George Grow (Start at 01'02

发表于:2019-01-30 / 阅读(247) / 评论(0)

科技之光

Genetic Engineering Crop Debate

84 利用基因技术提高粮食产量 DATE=8-14-01 TITLE=AGRICULTURE REPORT - Genetic Engineering Crop Debate BYLINE=George Grow （Start at 59

发表于:2019-01-30 / 阅读(141) / 评论(0)

科技之光

AGRICULTURE REPORT - Study Says Genetically Engineered Rice

AGRICULTURE REPORT - Study Says Genetically Engineered Rice Cuts Use of Insecticides By Mario Ritter Broadcast: Tuesday, May 10, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. A

发表于:2019-01-30 / 阅读(75) / 评论(0)

农业与发展

学个词Learn a Word 第188期 embrace

发表于:2019-02-06 / 阅读(67) / 评论(0)

英语单词荟萃

2018年CRI Scientists engineer mutant enzyme which eats plastics quickly

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(132) / 评论(0)

2018CRI中国国际广播电台

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