Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th

发表于:2018-12-07 / 阅读(42) / 评论(0) 分类 揭秘联邦调查局

Being Forced Out of a Position Julianna: Ha ha! The wicked witch is dead! Hugo: What are you talking about? Julianna: Bettina is stepping down as chairperson of the committee. I thought this day would never come. Hugo: Thats a big surprise. I never t

发表于:2018-12-18 / 阅读(79) / 评论(0) 分类 2013年ESL之商务英语

In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel

发表于:2018-12-31 / 阅读(126) / 评论(0) 分类 商务英语演讲课

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(一)月

人力资源专家说,名企为面试设计那些难以应付的英文考试题目,就是为了在泥沙中淘出真金。因为,这些题目既能检验求职者的语言能力,也能考验他们的逻辑思维能力、抗压能力、应变能

发表于:2019-01-08 / 阅读(57) / 评论(0) 分类 英语新闻

Vehicles May Soon Be Talking to Each Other 汽车或许很快就能相互交流 WASHINGTON U.S. regulators are close to approving new standards for enabling vehicles to communicate with each other, hoping the new technology will reduce traffic accide

发表于:2019-01-14 / 阅读(43) / 评论(0) 分类 VOA标准英语2014年(四月)