单词：ethylphenyltriethyl silicane
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Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of
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CHAPTER EIGHT Life with Mr. Rochester Now that Mr. Rochester had returned , Thornfield hall was very busy. Many people came to visit his and talk about business. Adele was too excited to study. That evening we had tea with Mr. Rochester. Of course, t
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PART THREE---- A YOUNG WOMAN AT THORNFIELD CHAPTER SEVEN Mr. Rochester The house where I was to work was called Thornfield. It was a large house in the country. After a days journey, I arrived at the house. Mrs. Fairfax, who came out to meet me, was
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CHAPTER FOUR My New Friend The next morning we got up in the dark. In all the rooms it was as cold as ice. This time the porridge was not burned, but I still felt hungry because there was not enough. The girl I had spoken with yesterday was older tha
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AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s
2014年VOA慢速英语(五)月
CHAPTER TWENTY-ONE St. Johns Secret I had twenty village girls to teach. Some of them spoke in such a strong, country speech that I could barely understand them. Their words did not seem like the English language. Only three of the girls could read,
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CHAPTER TWENTY Getting to Know the Rivers Family I stayed one month at Moor House. In that time, I came to love the little house, and the wild, beautiful fields around it, just like Diana and Mary did. We read books together and talked about them. Di
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CHAPTER EIGHTEEN Mr. Rochesters Story Sometime in the afternoon I woke up from a long sleep. I felt weak when I stood up, because I had not eaten anything all day. When I opened my bedroom door, I saw Mr. Rochester. He was sitting in a chair outside
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CHAPTER TWENTY-TWO I Am No longer Poor After St. John left me, it began to snow. It snowed all night and the next day. In the evening, I was sitting by the fire and had just begun to read when I heard a knock at the door. St. John came inside the hou
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CHAPTER TWENTY-THREE My Past Returns I promised St. John that I would teach at the Morton school until Christmas. Then he could find another teacher. On the last day of school. St. John came to see me as I said goodbye to my students. I was sad to se
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美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related
VOA双语新闻 2014年1月
Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,
英语听力文摘 English Digest
AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be
2015年VOA慢速英语(七)月
Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6
VOA标准英语2014年(一月)
One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds
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AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin
2018年NPR美国国家公共电台12月
On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上，公司的历史没有提及铅──也没有提
万物简史
By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo
万物简史
Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions
万物简史
If you were going to a restaurant and wanted a healthier option, 如果你去饭店，你想吃得健康一点， which would you choose, grilled or fried chicken? 你会选择哪种食品呢，烤鸡还是炸鸡？ Now most people would answer grill
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