单词：persistence of pesticide
单词：persistence of pesticide 相关文章
AGRICULTURE REPORT - Jojoba: Not Your Usual Oilseed CropBy Mario Ritter Broadcast: Mon, 3 Jul 2006 16:00:00 UTC I'm Shep O'Neal with the VOA Special English Agriculture Report. Jojoba plants We have a
2006年慢速英语（七）月
03 警惕杀虫剂的危害 DATE=2-20-01 TITLE=AGRICULTURE REPORT - (1)Pesticide Warning BYLINE=George Grow (Start at 1'00
科技之光
Pesticide Additive Could Be One Culprit in Bee Deaths 农药添加剂是蜜蜂死亡的一大诱因 Springtime is flower season. And that includes some 90 million almond trees in California. It's the largest pollination event in the U.S.and beekeeper
2017年Scientific American(二)月
Pre-Listening Vocabulary caffeine: a drug found in some plants, including coffee seeds and tea leaves pesticide: a substance that keeps insects or harmful materials away from a plant alert: awake and paying attention ward off: to keep away something
趣谈英语
Millions of Americans enjoy playing golf. But golf courses are not known to be environmentally friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. Thats true of most golf courses. But lets look at one t
国家地理2008年
A group in Italy is preparing immigrants, mostly from Africa, for jobs as beekeepers. The group then helps to set-up meetings between these migrants and honey producers who need employees. International aid groups say European Union (EU) efforts to r
2017年VOA慢速英语(九)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Scientific American(九)月
Public Hearings on Popular Pesticide Spotlight Safety Concerns Every year, U.S. farmers apply more than 35 million kilograms of the pesticide atrazine on their fields of corn, sugarcane, sorghum and other crops. But a growing body of scientific evide
VOA标准英语2012年(六月)
EU Hopes Pesticide Ban Will Halt Bee Decline The targeted farm chemicals, which will be banned for two years starting this December 1, belong to a class of insecticides called neonicotinoids. They are a type of insect nerve agent that has been widely
VOA标准英语2013年(五月)
DAVID GREENE, HOST: We have been reporting on the rise of some really nasty diseases caused by tick bites - everything from Lyme disease to Rocky Mountain spotted fever. Well, now a new study is shedding light on an old technique to repel ticks that
2018年NPR美国国家公共电台7月
Google and Amazon were quick to put drones to use delivering orders. 谷歌和亚马逊已经开始用无人机送货，反应神速。 But new research suggests delivery is just one small way drones are going to replace humans. The tiny airborne ves
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Girl ends life to donate eyes to dad NADIA: For days, Mumpy would listen quietly as the elders discussed how only an eye surgery could save her father's vision and a kidney transplant her brother's life. But both surgeries were beyond the family's me
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NEW YORK - Amazon.com is working on a way to get customers their goods in 30 minutes or less by drone. The world's largest e-commerce company said it's working on the so-called Prime Air unmanned aircraft project in its research and development labs.
英语新闻
Suicide is the leading cause of death for Chinese people aged 15 to 34, and the fifth biggest killer - after cardiovascular disease, cancer, respiratory disease and accidental death - among all age groups, a report by the Chinese Association for Ment
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It's perhaps the most controversial pick in the history of a respected award. Three pioneers in the science of genetically modified crops are receiving this year's prestigious World Food Prize, Thursday, Oct. 17 in Iowa. According to the prize citati
英语新闻
Google and Amazon were quick to put drones to use delivering orders. 谷歌和亚马逊已经开始用无人机送货，反应神速。 But new research suggests delivery is just one small way drones are going to replace humans. The tiny airborne ves
英语新闻
Han Changfu said that food security is always a major issue in China, a country with a population of 1.3 billion people. He pledged that authorities will keep the zero-tolerance attitude towards food security issues and will spare no efforts to solve
英语新闻
1. You must learn a new way to think before you can master a new way to be. 1. 在掌握新方法之前，你必须要先换一种思考方法。 2. Put blinders on to those things that conspire to hold you back, especially the ones in your own head.
英语美文
在讲解被动态的适用范围之前，我们先来复习一下被动态的结构：be+done，即be动词体现时态再加上被执行动作的过去分词。现在，小编分别举一个主动句和一个被动句，你们感受一下主动句和
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Efforts to curb access to the means to kill oneself can help, too. 限制自杀途径也能有所帮助。 Suicide is surprisingly impulsive. 自杀通常都是意料之外的冲动所致。 A study of young Chinese women who had tried to kill themse
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