大学生活英语-Finding an Error in Your Test Score(1)

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

最新版英语听力教程 Model Test2-part a

[00:05.49]Part A Directions: [00:09.33]For Questions 1~5,you will hear a narrative. [00:13.69]While you listen,fill out the table with the information you've heard. [00:19.36]Some of the information has been given to you in the table. [00:24.01]Write

Scientists Create Method to Test Food and Drugs for Purity

Scientists Create Method to Test Food and Drugs for Purity Millions of people in developing countries have to be on guard against contaminated food and medicine. Some products could be harmful -- even deadly. In Nigeria, brake fluid was found in a pr

研究人员开发出更好、更便宜、更快寨卡病毒测试

Researchers Develop Better, Cheaper, Faster Zika Test 研究人员开发出更好、更便宜、更快寨卡病毒测试 From VOA Learning English, this is the Health Lifestyle report. A team of researchers say they have developed a new test for Zika

VOA慢速英语2014 航天局将失败转化为成功

AS IT IS 2014-07-04 NASA Turns Latest Failure into Success 航天局将失败转化为成功 Failure is our best teacher. But dont take my word for it. How about Thomas Edison? When the famous inventor talked about his failures, he supposedly said, I

【大学生活】考试成绩出错了-Finding an Error in Your Test Score

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

2006年VOA标准英语-New Field Test Detects Blinding Disease Tr

By David McAlary Washington 11 May 2006 Scientists have developed a cheap, rapid test to determine who has trachoma, the leading infectious cause of blindness in poor countries. The researchers say th

VOA慢速英语2010年-Economics Report - Inventors Given Hop

This is the VOA Special English Economics Report. Recently, the United States Supreme Court decided a case on the property rights of inventors. The question was whether a business method is enough of an invention to receive a patent. Patents are a fo

美国国家公共电台 NPR In Memory Training Smackdown, One Method Dominates

STEVE INSKEEP, HOST: Turns out there are some workouts that can improve your memory. NPR's Jon Hamilton reports on two approaches to brain training. JON HAMILTON, BYLINE: Brain training programs often target something called working memory. KARA BLAC

英语作文的六大结尾方式和例句

英语作文的六大结尾方式和例句

Chinese island province pilots in low-altitude test flight

HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part

Successful flight for China's first jumbo airfreighter

BEIJING, Jan. 26 (Xinhua) -- China on Saturday conducted a successful test flight of its first domestically made jumbo airfreighter. The Yun-20, or Transport-20, is a huge, multi-function airfreighter which can perform various long-distance air trans

VOA慢速英语20060816b

EXPLORATIONS - Spaceflight History: Excitement and Tragedy on Road to the MoonBy Marilyn Rice Christiano Broadcast: Wednesday, August 16, 2006 EXPLORATIONS -- a program in Special English by the Voice

HEALTH REPORT - New Method to Find Alzheimer's Disease

HEALTH REPORT - New Method to Find Alzheimer's Disease By Jerilyn Watson Broadcast: Wednesday, February 04, 2004 This is the VOA Special English Health Report. A computer picture of a brain affected b

2006年VOA标准英语-New TB Test Yields Quicker Results

By Jessica Berman Washington 12 October 2006 Researchers have developed a new tuberculosis test that makes a diagnosis possible in a fraction of the time it can take using other methods. Experts say the test would be especially useful in the develop

美国消防协会标准和规范词汇

标准名称Code Standard Name Fire Prevention Code防火规范 Uniform Fire Code, 2003 Edition （incorporates provisions from both the Fire Prevention Code and the WFCAs Uniform Fire Code）统一消防规范 2003版 Standard for Portable Fire Extinguishers手提灭火

Next Generation Internet Addresses Gets Test Flight

On Wednesday, Google, Facebook, Yahoo! and other major Internet companies will participate in what is being called IPv6 or Internet Protocol Version 6 Test Day. The 24-hour trial run is being held to test a new communication system for the Internet,

NASA plans unmanned Orion flight in early 2014

WASHINGTON, Nov. 8 (Xinhua) -- NASA plans to add an unmanned flight test of the Orion spacecraft in early 2014 to its contract with Lockheed Martin Space Systems for the multipurpose crew vehicle's design, development, test and evaluation, the U.S. s

留美老师带你每日说英文 第924期:使用验孕棒时的心境

A few minutes can feel like forever when you're waiting on the results of a pregnancy test. But in that brief time, you're witnessing the power of the scientific method. That one little stick lets you ask a question, perform a controlled experiment,

迷你对话学地道口语第362期:试用,考验以检验期成效或性能

第一、迷你对话 A: Look! It is not working well. Did you try out the bike when you bought it. 看，这两自行车不好用，你买的时候没试用吗？ B: No, theres no need. We can change it within two days if its not damaged. 是的，没