单词：paleontologies
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Lesson 16 Dialog 1; New words: Bar code(条形码)， inventory control(库存控制)， scan(扫描) F: You are already involved in E- Commerce, arent you? M: For inventory control, back office kind of stuff. F: For example? M: a consumer comes into our store
VOA 商务英语
By Mil Arcega Washington, D.C. 30 June 2006 Watch Bar Code Report Bar code The Universal Product Code turned 30 this week. The U.P.C. is a unique combination of black and white lines that can identify virtually anything from a bar of soap to medical
2006年VOA标准英语（六月）
We've lost our dog. Luckily he has a tag around his collar and he is also microchipped. It's a smart idea to get your dog microchipped. The microchip is inserted under the skin of the animal. It is done at a veterinarian's office or an animal shelter
中级类英语听力
Where Do We Come From? 我们来自哪里? Would you like to know where your ancestors came from? British and American scientists may have found answers for you. They have developed a new algorithm to study deoxyribonucleic acid, also known as DNA --
2014年VOA慢速英语(八)月
Listen to the question sentences and check the correct answers. 1.When's your birthday? 2.Do you have any religion? 3.What's your education background? 4.Are you single? 5.What's your postal code? 英语听力练习题 Listen to the question sentence
英语听力练习题
Reporter: Over 350 iOS apps have been affected by the hacking, including the widly used baidu music, wechat, and ride-haling didi. Experts say this attack is so secret that it escaped apple's vetting process. The hack hinges around Xcode, a tool used
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