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A: I would like to order some internet today. B: What kind would you like? A: What kind of internet is there? B: You can get DSL or dial-up. A: Which of those two is best? B: I would recommend DSL. A: Is that one better? B: It's better because it doe

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A: I need to get internet. B: Which kind of internet connection do you want to get? A: What kind can I get? B: There is dial-up or DSL. A: Which one do you feel is best? B: I would get DSL if I were you. A: DSL is better than dial-up? B: It's the bes

日常生活英语-Inquiring about Internet Services(3)

A: I'd like to have internet on my computer. B: Do you know what kind of internet you would like to get? A: What are my options? B: You can either get dial-up or DSL. A: Which one would you recommend? B: DSL is the best choice. A: Why is DSL better?

英语大赢家 下册 162.Scene 1.Topic 2买票和问询 Tickets and Inquiries

爸爸给了丹尼尔钱让他去买票，并要确定地铁路线和转乘路线，丹尼尔能完成任务吗？ Dad: Daniel, here is some money for the tickets. Daniel: OK, it's my pleasure. How many tickets? Dad: Oh, like a gentleman. Two tickets

心灵歌汤 Tranquility

心灵歌汤 Tranquility

TED演讲:和老年痴呆症说再见(6)

What about sleep? In slow-wave deep sleep, our glial cells rinse cerebral spinal fluid throughout our brains, 关于睡眠呢？在慢波深度睡眠时，我们的神经胶质细胞冲洗着我们大脑中的脑脊液， clearing away metabolic wast

TED演讲:和老年痴呆症说再见(4)

So what happens when amyloid plaques accumulate to this tipping point? 所以当淀粉样斑块积累到临界点后会发生什么？ Our microglia janitor cells become hyper-activated, releasing chemicals that cause inflammation and cellular damage

TED演讲:和老年痴呆症说再见(5)

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题，这一好消息确实振奋人心， because it turns out that the way we live can influence the accumulation of amyloi

SSS 2009-03-02

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

VOA慢速英语 2007 0116b

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today we tell about Alzheimer's disease. One century after its discovery, the cause of the disease is still unknown. (MUSIC) VOICE ONE:

VOA慢速英语-SCIENCE IN THE NEWS - Cause of Alzheimer’s Disease S

The latest developments in research into the most common form of dementia. Transcript of radio broadcast: 09 June 2008 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. VOICE TWO: And Im Bob Doughty. Today we tell abou

The Struggle for a Dependable Test for Alzheimer's Disease

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we tell about Alzheimers disease. More than a century after its discovery, Alzheimers disease is still destroying peoples bra

VOA标准英语2012--Drug Reverses Alzheimer's in Lab Mice

Drug Reverses Alzheimer's in Lab Mice Researchers working with laboratory mice have stopped the progression of a condition found in the brain of Alzheimer's victims. They've even reversed cognitive decline. But whether the discovery can translate to

VOA标准英语2011-Dementia Screening May be Possible with B

New research suggests a relatively simple blood test might make it possible to predict who is at a higher risk for developing dementia. The most common form of dementia is Alzheimer's Disease, and currently, it can only be definitively diagnosed in a

VOA标准英语2011--MRI-like Scan May Help Identify Alzheime

MRI-like Scan May Help Identify Alzheimer's Alzheimer's disease normally gets a definitive diagnosis only after the patient dies, and an autopsy finds certain distinctive structures in the brain. Recently, though, scientists have been seeking some so

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Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

ENVIRONMENT REPORT - Coqui Frogs Invade Hawaii

By Cynthia Kirk ENVIRONMENT REPORT -May 31, 2002: Coqui Frogs Invade Hawaii This is the VOA Special English ENVIRONMENT REPORT. Experts say the American state of Hawaii has been invaded by a small fro

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

HEALTH REPORT - New Alzheimer's Drugs Tested

HEALTH REPORT - New Alzheimer's Drugs Tested By Cynthia Kirk Broadcast: Wednesday, August 04, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. Researchers say two experimenta

TED演讲:和老年痴呆症说再见(2)

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p