VOA常速英语2008年-US Government Reviews Laser Eye Surgery

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

VOA标准英语 Lawmakers Urge More Action to Prevent Flu-Infected T

Members of the U.S. Congress - particularly those representing states along the border with Mexico and Canada - are calling on the Obama administration to do more to prevent travelers infected with swine flu from entering the United States. They mad

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

新东方英语900句提高篇56

5601 Lesson Fifty -six Asking for Help 求助 Can I give you a hand with that? 我能帮你一把吗？ Can I give you a hand? Need a hand? give sb a big hand 鼓掌 Lets give Jenny a big hand. 5602 Lesson Fifty -six Asking for Help 求助 Thanks a lot, but I can

新编大学英语阅读部分第四册Unit4-1

Unit 4 Honesty In-Class Reading Cheating: Alive and Flourishing 1 Trying to get a handle on scholastic cheating is as frustrating as surveying American eating patterns. Everyone says he is watching hi

NPR 2010-01-04

From NPR News in Washington, I'm Craig Windham. The United States and Britain have shut down their embassies in Yemen in light of what President Obama's Deputy National Security Advisor John Brennan called alive and active threat of Al-Qaeda attacks

SSS 2009-11-27

It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar

最In导购口语 第115期:扫描仪

导购口语: Scanners come in quite a variety of shapes and sizes in our store. 我们店的扫描仪形状和大小多种多样。 Your satisfaction is guaranteed, or we refund your money. 我们保证用户满意，否则我们可以退款。 An o

Watch the US Navy’s New Laser Weapon in Action

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

CNN 2012-05-12

Nice job on that iReport, Madison (ph).We're glad to see all of you tuning in to this midweek edition of CNN Student News.My name is Carl Azuz.Let's get started. First up,investigators are studying an explosive device that they say could have ended u

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

英语口语常用短句 第19期

223.What do you mean? 你什么意思啊？ It's not good to finish this job too quickly. 这么做完工作不好。 What do you mean? 什么意思？ Well, I mean that if we finish early, 我是说，如果我们这么早做完工作， we may have

美国国家公共电台 NPR Bill Of The Month: A Tale Of 2 CT Scanners — One Richer, One Poorer

STEVE INSKEEP, HOST: Today, we have a tale of two medical bills - same patient, same test, but one test cost 33 times more than the other. It's our bill of the month, part of a series with Kaiser Health News in which we examine real-world medical bil

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

VOA标准英语2010年-Airport Body Scanners Called Safe If P

Compared to the dose level of a medical chest x-ray, a backscatter scan is thousands of times lower. Since the Christmas Day attempted bombing of a U.S. airliner, airports are looking for ways to tighten security. One method being adopted by some and

VOA标准英语2010年-New Body Scanners at Work In British A

Body scanners are viewed by many as an invasive technology, which amounts to a virtual strip search. They reveal graphic images of passengers' bodies, including medical details like evidence of mastectomy and colostomy bags. Britons call it a breach

VOA标准英语2010年-Europe Debates Airport Security

European aviation officials are meeting in Brussels to discuss airport security measures and British authorities are doing the same as governments try to decide the best way to protect planes and air passengers in the wake of a failed bombing attempt

VOA标准英语2010年-Body Scanners, Touted as Effective Too

Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But

VOA标准英语2010年-African Countries Step Up Airport Secu

Several countries in Africa say they are increasing security at their airports following the Christmas Day bombing attempt on a US airliner by a Nigerian man. Other countries say they have no plans for upgrades, but are monitoring the situation. Scot