单词：2-Alkyn-1-ol-dehydrogenase
单词：2-Alkyn-1-ol-dehydrogenase 相关文章
13 Skyscrapers and Environment In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of tall buildings in a
英语范文背诵20篇
AMERICAN MOSAIC - An Explosion of Color at the National Cathedral Flower Mart; Sheep and Wool Celebrated at Maryland Festival JUNE SIMMS: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im June Simms. This week on our program we visit two
2012年VOA慢速英语(六)月
A report led by the Johns Hopkins Bloomberg School of Medicine has called for a United Nations investigation into Burma's handling of aid and assistance to cyclone hit regions last year, accusing the military government of crimes against humanity. R
VOA标准英语2009年(二月)
First Lady Announces Healthier US School Meals With rates of childhood obesity and hunger on the rise nationwide, the U.S. government has announced new rules for healthier school meals. First Lady Michelle Obama announced new Department of Agricultur
VOA标准英语2012年(一月)
A: What do you need today? B: I need to take a few classes. A: What kind of classes would you like to take? B: How about a driver's course? A: Okay, you're going to need to make an appointment. B: I don't understand why I need to make an appointment.
英语情景对话-驾驶
A: Pasadena Traffic School. How can I help you? B: I would like to sign up for some classes. A: What classes did you want to sign up for? B: I need to take a driver's course. A: You'll have to make an appointment. B: What do I need to make an appoint
英语情景对话-驾驶
A: What can I do for you today? B: Can I sign up for some classes today? A: Which classes? B: I would like to take a driver's course. A: Would you like to make an appointment? B: Why do I need an appointment? A: You need to sign the paperwork. B: Can
英语情景对话-驾驶
A: Thank you for coming, officer. B: What seems to be the problem? A: I was in school all day and came home to a burglarized apartment. B: Was the door locked when you left? A: The door was still locked when I came home, so maybe they came in through
地道英语对话-租房
A: I appreciate you coming so quickly, officer. B: Whoa, what a mess! What happened here? A: Apparently while I was at school today, someone decided to help themselves to the contents of my apartment. B: Was everything locked up when you left? A: I t
地道英语对话-租房
A: Oh, thank God you are here, officer. B: I came as soon as I could. What a mess! A: When I left for school today, everything was fine. Then I came home to find my apartment had been broken into. B: Was the door locked when you came home? A: I dont
地道英语对话-租房
By Adam Freedman Today, a back-to-school special! We take a close look (as it were) at strip searches of students. But first, your daily dose of legalese: This podcast does not create an attorney-client relationship with any listener. In other words,
法律英语 Legal Lad
Todd: OK, Richard! Richard: Hi, Todd. Good to see you. Todd: Good to see you. Richard: Long time no see. Todd: Yeah, it's been awhile. Richard: It's been awhile. Todd: Richard, you helped me out when I first started the website. Richard: My pleasure.
原版英语对话1000个
By Greg Flakus Houston 26 January 2006 This week thousands of movie directors, writers, actors and Hollywood executives are huddled together in the ski resort town of Park City, Utah attending two ind
2006年VOA标准英语（一月）
By Greg Flakus Houston 26 January 2006 This week thousands of movie directors, writers, actors and Hollywood executives are huddled together in the ski resort town of Park City, Utah attending two ind
2006年VOA标准英语（一月）
By John Featherly Washington 28 October 2006 European Union foreign policy chief Javier Solana visited Beirut Saturday to meet with Lebanese officials and the commander of the United Nations peacekeeping force there. European Union foreign policy ch
2006年VOA标准英语（十月）
By Stefan Bos Budapest 23 November 2006 Poland says all 23 coal miners trapped after a gas explosion have died, making it the country's deadliest such accident in decades. The tragedy at the mine in Ruda Slaska, about 300 kilometers southwest of the
2006年VOA标准英语（十一月)
By Patricia Nunan Kathmandu 26 April 2006 After months of confrontation, Nepal's king and opposition political parties say they will work together to bring peace and democracy to the country. Parliame
2006年VOA标准英语（四月）
Key Local Afghan Police Force Slow to Catch On Coalition planners say they need 100 police officers to secure Marzak. Village elders promised at least that many men would volunteer for a new Afghan Local Police force. But by late January, fewer than
VOA标准英语2012年(三月)
Political Differences Cloud Obama Job Proposals President Barack Obama's speech on the U.S. economy is just the latest in a long history of government proposals to stimulate economies and put people back to work. But with the U.S. economy expanding m
VOA标准英语2011年(九月)
听歌学英语:Some one like you-Sissel Kyrkjebo Sissel Kyrkjebo是挪威著名的女歌手，于1969年出生于挪威，4岁时就参加儿童合唱团，并开始在挪威电视台多次露面。她从16岁出第一张唱片，以其空灵清澈的
听歌学英语