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

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

【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

每日一词【224】routine：常规

今天我们要学的词儿是routine。 Routine是常规的意思。Routine checkup是定期体检。Routine conference是例行会议。我们应该把锻炼变成日常生活的一部分，可以说 We should make exercise a part of our daily rout

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

VOA标准英语10月-South Korean Military Chief Says North Seeks Nucl

South Korean military officials say they believe North Korea is hoping to develop a nuclear weapon that can be delivered by missile. The unusually frank public statement was made amid reports North Korea has conducted a routine test of its short ran

学个词Learn a Word 第224期 routine

今天我们要学的词儿是routine。 Routine是常规的意思。Routine checkup是定期体检。Routine conference是例行会议。我们应该把锻炼变成日常生活的一部分，可以说 We should make exercise a part of our daily rout

VOA双语新闻 - 韩国称北韩希望发展导弹携带核武

South Korean military officials say they believe North Korea is hoping to develop a nuclear weapon that can be delivered by missile. The unusually frank public statement was made amid reports North Korea has conducted a routine test of its short rang

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,

Federer takes another routine win to reach quarters

MELBOURNE, Jan. 21 (Xinhua) -- A victory of 6-4, 7-6(4), 6-2 over Canadian Milos Raonic helped Roger Federer of Switzerland reach another Grand Slam quarterfinals here on Monday. The 17-time Grand Slam champion gave up only five points on his first s

英语博客：Real age.

I was on Facebook today, updating comments to friends and family, when I came across a health test that I chose to take. It is called the 'Real age' test that many people have seen on Oprah. Well, I haven't seen Oprah in years, but I did want to find

US Health Panel Recommends Routine HIV Testing

An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh

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