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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

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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

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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

乔布斯传 第84期:丽萨的出世(2)

The one they reverse-engineered was local integrated systems architecture, and despite being meaningless it became the official explanation for the name. 他们把这个缩写逆推，得到了本地集成系统架构,尽管这个短语毫无意义，它

乔布斯传 第101期:划时代的Mac(3)

Thus they were destined to clash, especially after Jobs was ejected from the Lisa project in September 1980 and began casting around for someplace else to make his mark. 因此，他们两人之间注定会有冲突，尤其是乔布斯在1980年9月被

乔布斯传 第99期:划时代的Mac

Jef Raskin's Baby 杰夫拉斯金的宝贝 Jef Raskin was the type of character who could enthrall Steve Jobsor annoy him. As it turned out, he did both. 杰夫拉斯金是那种能让史蒂夫乔布斯着迷--或者是厌烦的人。事实证明，两

学个词Learn a Word 第1723-flexible

今天我们要学的词是 flexible。Flexible 灵活的，有弹性的。美国一项调查显示，Almost all respondents think that flexible work arrangements would have a positive effect on their personal lives. 几乎所有受访者都认为，灵

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

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Intel unveils 3-D transistors

SAN FRANCISCO, May 4 (Xinhua) -- Intel Corp. on Wednesday announced that it will mass-manufacture chips using new transistors featuring a three-dimensional (3-D) structure, calling it a technical breakthrough in microprocessors. The 3-D transistor, c

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,

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Jon Rubinstein, who was in charge of hardware, adapted the microprocessor and guts of the PowerMac G3, 负责硬件的部门主管乔恩鲁宾斯坦，决定采用PowerMac G3的微处理器和内核， Apple's high-end professional computer, for use

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

2016年CRI China Sets Flexible GDP Target to Gain Steam for Structural Reform

In his annual government work report at the NPC session, Premier Li Keqiang announced a flexible GDP target, calling it a reasonable growth range as China is gearing up its structural reforms. The main development targets for 2016 are as follows: GDP