VOA慢速英语2013 Agriculture Report - Getting a Firm Grip on Weed Control

Agriculture Report - Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 When is a plant considered a weed? Experts at Pen

新派英语第五册UNIT2

[00:00.00]Unit 2 My Time [00:05.69]2.Leam the chant about chores. [00:18.25]Mow the lawn and Set the table.Cook supper,When you're able. [00:28.87]Wash the dishes.Sweep the floor.Take the garbage Out the door. [00:36.40]Read a story To your brother.B

VOA慢速英语-Development Report - Fighting Witchweed in African S

Scientists develop herbicide-resistant seeds that can kill the parasitic plant. Transcript of radio broadcast: 23 June 2008 This is the VOA Special English Development Report. A sorghum field infested with striga, or witchweed Farmers in Africa call

VOA慢速英语2009-Agriculture Report - The Seeds of Weed Control

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2011--Ideas for Getting a Firm Grip on Weed Co

Agriculture Report - Ideas for Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Weeds compete with plantings for water

365个英语简短小故事-99. Bad Weed, Bad Call

Boy, this is the worst weed Ive ever had, Wesley thought, even though it smelled great. Hed rolled two joints, smoked them both, and still didnt feel high. Hed heard about some super weed that gets people so high that they think theyre straight. Mayb

美国国家公共电台 NPR A Wayward Weedkiller Divides Farm Communities, Harms Wildlife

SCOTT SIMON, HOST: This summer in Arkansas, a weed-killing chemical called dicamba drifted across the landscape and damaged millions of acres of crops. And the injury went deeper. It split rural communities. It destroyed friends and took a toll on th

VOA慢速英语 2008 0318a

Agriculture Report - The Seeds of Weed Control Advice for suppressing the growth of unwelcome plants. Transcript of radio broadcast: 17 March 2008 This is the VOA Special English Agriculture Report. When is a plant a weed? When its undesirable quali

VOA慢速英语2010年-Agriculture Report - Ideas for Getting

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 the undesirable qualities outweigh the good qualities. Consider that crops generally produce several hu

VOA慢速英语2013 Getting a Firm Grip on Weed Control

Getting a Firm Grip on Weed Control 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 the undesirable qualities outweigh the good qualities. Consider the

VOA慢速英语2011--Inventor of Weed Eater Started a Revolut

Agriculture Report - Inventor of Weed Eater Started a Revolution 农业报道 - 巴拉斯开启割草机革命 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 George Ballas of Houston, Texas, lived

VOA慢速英语2012 Agriculture Report - Getting a Firm Grip on Weed Control

Agriculture Report - Getting a Firm Grip on Weed Control 农业报道 - 严格控制杂草 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 When is a plant considered a weed? Experts at Penn State U

VOA标准英语2008年-China Leaves Footprints in Space

A Chinese astronaut has made the historic first step in outer space for his country. With the successful spacewalk, China has become the third country, after the United States and Russia, to do so. Stephanie Ho reports from Beijing. In this video gr

VOA标准英语2010年-Kenyan Price Control Bill Awaits Presi

Kenyan President Mwai Kibaki is considering whether to sign a price control bill into law that would allow the government to set prices on basic items such as maize, wheat, cooking oil and petrol. Kenya's parliament approved the measure in June. Supp

美国国家公共电台 NPR Monsanto Attacks Scientists After Studies Show Trouble For Weedkiller Dicamba

DAVID GREENE, HOST: Monsanto, the pioneer of genetically modified food, likes to say it is rooted in science, but some leading scientists are accusing the company of denying evidence about the risks of its newest weedkilling technology. NPR's Dan Cha

美国国家公共电台 NPR Damage From Wayward Weedkiller Keeps Growing

RACHEL MARTIN, HOST: Farmers in parts of the South are fighting each other over a weed-killing chemical. Some are using it in combination with a new generation of genetically engineered crops. Others are angry because it's blowing in the wind and dam

美国国家公共电台 NPR Can Sobriety Tests Weed Out Drivers Who've Smoked Too Much Weed?

ARI SHAPIRO, HOST: The highest court in the state of Massachusetts is considering roadside sobriety tests, specifically whether the tests that police use to determine drunk driving can also prove a driver is high on marijuana. As NPR's Tovia Smith re

美国国家公共电台 NPR As Brains Mature, More Robust Information Networks Boost Self-Control

AUDIE CORNISH, HOST: When a toddler gets angry, it's not unusual to see hitting, stomping or biting. That's because of what's happening in the child's brain. It's just beginning to develop the circuits that control impulsive behavior. Now scientists

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

VOA标准英语2011--Spraying Insecticide Indoors Reduces Spr

Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr