单词:cold-cathode thyratron
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Indra Krishnamurthy Nooyi is the chairwoman and CEO of PepsiCo, which is the world's fourth-largest food and beverage company. She broke the mould at PepsiCo as all previous CEOs were white American men. Nooyi was fifth on Time magazines 2007 list of
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
1.- I have a cold. 我感冒了。 - I'm sorry to hear that. 听到这消息我很难过。 2. - What's wrong (the matter, the trouble)? You look unhappy. 怎么啦?您看起来脸色很不好。 - I failed the exam. 我考试没通过。 - Don't t
Key Sentences(重点句子) 474.We're sorry to learn that you were injured in an accident. 得知你在事故中受伤,我很遗憾。 475.How are you feeling now? 现在感觉怎么样? 476.We all wish you a quick recovery. 我们都希望
By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide
新编英语教程第六册unit01_1_Love_Thy_Neighbor