单词：pollution resistant plant
单词：pollution resistant plant 相关文章
This is the VOA Special English Agriculture Report. Farmers and gardeners have turned the soil for centuries. But many now believe in no-till or reduced tillage, a method also called conservation tillage. The Conservation Technology Information Cente
2010年VOA慢速英语(九)月
[ti:UNIT 2 Plant a Plant! Lesson 10: Plant Parts] [0:00.363]UNIT 2 第二单元 [0:02.105]Plant a Plant! 培育植物 [0:03.775]Lesson 10: 第10课： [0:05.444]Plant Parts 植物的组成部分 [0:07.100]THINK ABOUT IT! 想一想 [0:08.539]How many
河北教育初中英语（初中起点）八年级下册
[ti:UNIT 2 Plant a Plant! Lesson 9: How Does a Plant Grow?] [0:00.532]UNIT 2 第二单元 [0:01.935]Lessons 9～16 第9~16课 [0:04.780]Plant a Plant! 培育植物！ [0:06.829]You Will Learn 你将学到 [0:09.105]Functions 实际应用 [0:10.888]Ta
河北教育初中英语（初中起点）八年级下册
This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When its undesirable qualities outweigh its good qualities. Consider this: Crops generally produce several
VOA慢速英语2009年（五）月
The United Nations is observing World Food Day (Saturday, Oct. 16). Food prices have been climbing in recent months because of bad weather in several major agricultural regions. Experts predict there will be more extreme weather as climate changes, j
VOA标准英语2010年(十)月
By Zulima Palacio Washington 15 March 2007 watch Artemisinin and Malaria Artemisia plant Artemisia plants grow in many parts of the world, and many varieties have long been known to have medicinal properties. One particular variety, Artemisia annua
2007年VOA标准英语（三月）
Agriculture Report - Steps Toward Drought-Resistant Crops, 'Designer' Rice This is the VOA Special English Agriculture Report. A discovery in a laboratory could help lead to new generation of drought-resistant crops. Drought conditions cause plants t
2012年VOA慢速英语(一)月
East African Farmers Plant Seeds of Innovation East Africa has felt the effects of climate change over recent years. There have been frequent prolonged droughts, erratic seasonal rains and floods, all of which have put food security at risk. As a res
VOA标准英语2012年(九月)
Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit
VOA标准英语2009年(三月)
The largest effort ever to protect global food supplies against climate change was announced Friday in Rome. One-fifth of the world's plants are threatened with extinction. It's Cary Fowler's mission to fight back. He's the executive director of the
VOA标准英语2010年(十二)月
Water pollution 水污染 A: Is the lake very polluted? A.这个湖污染严重吗？ B: Well, I wouldn't swim in it- but the water is much cleaner than it was a few years ago. B:哦，我没法在里面游泳，但是比前几年清洁多了。 A: A
职业技术英语口语
I hate pollution. It makes me really angry. I think pollution is greed. People dont care about the environment so they pollute the air just to make lots of money. Big companies are the worst. They pretend theyre not polluting. They have the money to
纯正英语一分钟
HEALTH REPORT - Increasing Supplies of Malaria Drug Through Genetic EngineeringBy Cynthia Kirk Broadcast: Wednesday, April 19, 2006 I'm Shep O'Neal with the VOA Special English Health Report. Malaria
2006年慢速英语（四）月
59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59
科技之光
今天我们要学的词是pollution。 Pollution, 是污染的意思。 Air pollution, 空气污染。 Water pollution, 水污染。 Beijing's chronic pollution has been one of the biggest headaches for the Olympic Games organizers, 北京长期的空
英语每日一词
BEIJING, Jan. 29 (Xinhua) -- Thirty percent of official cars in Beijing should not be used when there is extremely bad pollution, traffic authorities confirmed Tuesday. The order was implemented on Monday evening to help combat the fourth round of he
英语新闻
BEIJING, Jan. 22 (Xinhua) -- Beijing will strengthen its efforts to treat PM2.5 and slash the density of major air pollutants by 2 percent this year, the municipality's acting mayor said Tuesday. The capital will take 180,000 old vehicles off the roa
英语新闻
NANCHANG, Feb. 25 (Xinhua) -- Tap water for 60,000 people was cut off Monday due to the pollution of a water source in east China's Jiangxi Province, government sources said. Around 10 a.m. Monday, an oily substance was seen floating near a water int
英语新闻
The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi
VOA标准英语2008年(十二月)
二手空气 Big cities, with all their pollution , have an effect on trees No doubt. In the countryside. Say what? Big cities affect the trees in the countryside? You got it! According to a study conducted by Jillian Gregg, who now works at the EPAs
英语听力文摘 English Digest