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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

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[00:11] Day 31 [00:13] gross [00:14] What I want to know is net profit, [00:16] not gross profit. [00:19] halt [00:20] The officer halted his troops. [00:24] handle [00:26] She handled a difficult argument skilfully. [00:31] harbo(u)r [00:32] You may

【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

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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

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A workboat pulls boom into place alongside the Pacific Responder oil skimming vessel in the Gulf of Mexico near the coast of Louisiana, 14 Jul 2010 BP has restarted a pressure test on a leaking oil well in the Gulf of Mexico to prepare for an effort

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

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价格术语 world / international market price 国际市场价格 FOB (free on board) 离岸价 CF (cost and freight) 成本加运费价 CIF (cost, insurance and freight) 到岸价 freight 运费 wharfage 码头费 landing charges 卸货费 customs

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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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

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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,

各类常见疾病的英语表达(2)

5) 睡眠不好： He is sleeping poorly。(他睡不好) He has difficulty in sleeping, inability to concentrate。(他不易入睡，也难集中精神。) It is usually hard for her to fall asleep when she goes to bed at night。(她晚上就寝，很

The Gift

It was at the end of the school year, and a kindergarten teacher was receiving gifts from her pupils. The florist's son handed her a gift. She shook it, held it overhead, and said, I bet I know what it is. Some flowers. That's right the boy said, but

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g. gram 克;公分 G.A.;G/A General Average 共同海损(保险用语) gal. gallon 加仑 gds. goods 货物 gm gram 克;公分 G.M.Q. Good Merchantable Quality 上好可销品质 gr. gross 总的;全体的;毛的(重量) gr.;grm. gram 克;公分 grs.

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