单词：pyrrobutamine phosphate
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A: I need somebody to come over and fix my internet. B: What's wrong with it? A: For some reason it's just not connecting. B: How long have you been having this problem? A: It hasn't been working the past few days. B: Does the internet come up at all
英语情景对话-日常生活
A: I need to get my internet fixed. B: What's the problem with your internet? A: It won't connect. B: How long has this been happening? A: This problem has been happening for a few days now. B: The internet doesn't come up at all? A: It just won't co
英语情景对话-日常生活
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单词解析速记
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
国家地理2008年
Dr. Wangari Muta Maathai was born in 1940 in a village in Kenya. In 2004, she became the first African woman to receive the Nobel Peace Prize. The judges valued her contribution to sustainable development, democracy and peace. She is also a member of
各国名人英文介绍
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
医务英语
Artist：Rob Thomas Song：Her Diamonds Oh what the hell she says I just can't win for losing And she lays back down Man there's so many times I don't know what Im doin' Like I don't know now By the light of the moon She rubs her eyes Says it's funny
听歌学英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
By Alan Silverman Hollywood 27 May 2006 One of the most popular film series based on Marvel Comics superheroes becomes a trilogy and raises some interesting real-world issues about diversity and fitting in. ------------------------------------------
2006年VOA标准英语（五月）
By Cathryn Curtis Washington, DC 16 March 2006 watch Bird Flu Mutations report Swabing inside of mouth of bird As the threat of bird flu spreads around the world, the big question on the minds of scie
2006年VOA标准英语（三月）
Scientists Target Antibodies That Work Against Many HIV Mutations The search for a vaccine against HIV/AIDS has been disappointing, in part because the virus cleverly changes to elude the antibodies of the human immune system. Now, scientists have id
VOA标准英语2011年(八月)
A: I'm in 507, and I have a big problem. B: I'm so sorry. Kindly tell me what the problem is, sir. A: Everywhere I look, I see cockroaches. B: Perhaps you could look again, sir, to double-check. A: The next cockroach I see will be number ten. B: Mr.
英语情景对话-旅馆
A: I need to speak with the manager right away. B: The manager is not here right now. May I take a message? A: Our key doesnt seem to be working in our lock. B: How many times have you used this key in the lock? A: We have already used this key succe
地道英语对话-租房
A: Good morning. Could I speak with the manager, please? B: I am the assistant manager. Is there something I can help you with? A: The key you gave us to our apartment doesnt seem to be working. B: Did this key work okay for you before? A: We were us
地道英语对话-租房
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
自然百科2008年
漫画作家Rob Reid给大家介绍了版权数学Copyright Math（TM） － 一个基于娱乐产业律师和说客所提供的实际数字的全新研究领域
TED公开课:会心一笑
GUADALAJARA, Mexico, Oct. 28 (Xinhua) -- Cuban's world record holder Dayron Robles eased to win the men's 110m hurdles in 13.10 seconds here on Friday at the Pan American Games. Robles, the world record holder who ran 12.87 in Ostrava, Czech Republic
英语新闻
8 Health Problems You May Encounter With Your Laptop and How to Solve Them Laptops due to their lightness, mobility and new facilities like WiFi, which allow people to use internet almost everywhere, have become an integral part of many people's life
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