科学理解测验

This is the VOA Special English Education Report. The Program for International Student Assessment, or PISA, is a two-hour test that compares the performance of fifteen-year-olds. In the latest test, the countries with the best readers were South Kor

发表于:2018-12-01 / 阅读(333) / 评论(0) 分类 2010年VOA慢速英语(十二)月

SCIENCE IN THE NEWS - A Death in the Family May Cause Real Heart Break SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im SHIRLEY Griffith. MARIO RITTER: And Im Mario Ritter. Today, we tell about an American study of heart atta

发表于:2018-12-16 / 阅读(148) / 评论(0) 分类 2012年VOA慢速英语(二)月

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Senior citizens don't believe the hype, because a new study finds that older folks who accept that seniors' memories get worse do worse on memory tests.

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(五)月

Was there ever any doubt in your mind that computer science was what you wanted to do? 你对自己想要从事计算机科学这个行业有过任何的怀疑吗? I always wanted to be involved with computers. 我一直想跟计算机打交道。

发表于:2018-12-28 / 阅读(149) / 评论(0) 分类 创业成功人士访谈录

Hello everyone, my name is Karl Roberts, and I will be your teacher for this class,_______ Communication. Uh, to begin with, please take a look at the___ in front of you. As you should all know by now, this class meets on Tuesdays and____ from 3:15 t

发表于:2018-12-30 / 阅读(136) / 评论(0) 分类 听听测测

Professor Colin Blakemore works at Oxford University Medical School doing research into eye problems and believes that animal research has given humans many benefits: The use of animals has been central to the development of anaesthetics, vaccines an

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 双语有声阅读

If Time Flew, You Had Fun A study in the journal Psychological Science finds that if people believe that time has flown, they think they had more fun. Karen Hopkin reports As we all know, time flies when youre having fun. But according to a study in

发表于:2019-01-02 / 阅读(192) / 评论(0) 分类 60秒科学

Compounding the problem is a social-psychological phenomenon called stereotype threat. 把问题往复杂了说,这就是成见威胁。 Social scientists have observed that when members of a group are made aware of a negative stereotype, 社会科学

发表于:2019-01-02 / 阅读(124) / 评论(0) 分类 向前一步

SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 科技之光

High school students have defeated an artificial intelligence device designed to pass the national college entrance exam, in Chengdu City, Sichuan Province. 最近,四川省成都市某高中的学生们战胜了专门为通过高考而设计的人工

发表于:2019-01-07 / 阅读(257) / 评论(0) 分类 英语新闻

This is Scientific Americans 60-Second Science. Im Christie Nicholson. Got a minute? Performance anxiety can be crippling. Entertainers who suffer from it come up with creative defenses. Bono has his purple shades. The indie rock singer Cat Power fac

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(一)月

SCIENCE IN THE NEWS - Traditional Test for Cervix Cancer Being Used to Test for Other Cancers This is SCIENCE IN THE NEWS, in Special English. Im Kelly Jean Kelly. And Im Avi Arditti. Today, we tell about a new way to test for cancers of the female r

发表于:2019-01-12 / 阅读(178) / 评论(0) 分类 2013年VOA慢速英语(二)月

SCIENCE IN THE NEWS - Understanding How Tornadoes Work KATHERINE COLE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Katherine Cole. BOB DOUGHTY: And I'm Bob Doughty. This week, we will tell about the science of tornadoes. Tornadoes have be

发表于:2019-01-12 / 阅读(186) / 评论(0) 分类 2011年VOA慢速英语(四)月

SCIENCE IN THE NEWS - A Possible Blood Test for Alzheimers Disease JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. Im June Simms. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about Alzheimers disease. More than a century

发表于:2019-01-12 / 阅读(181) / 评论(0) 分类 2012年VOA慢速英语(三)月

People should not overreact to the fall in ranking of Chinese students in the 2015 Program for International Student Assessment; they should focus on what the test results indicate about the education system in China, experts said. 在2015年国际学生

发表于:2019-01-17 / 阅读(266) / 评论(0) 分类 英语新闻

This is scientific American 60 seconds science. I am, got a minute? Everywhere you go, the trillions of microbs is in you got go to. That is a compllicating sort, because according to a new study a more diverse population of testnal bacteria is links

发表于:2019-01-20 / 阅读(149) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-second science. I am Wayt Gibbs. Got a minute? A protein can tell us a suspicious spot. Is this benign along or cancer of a tumor? In the case of lung spots 4 and 5 turn behind us. Unfortunately, making that determinat

发表于:2019-01-20 / 阅读(140) / 评论(0) 分类 Scientific American(十)月

It is one thing to learn a new piece of information, such as a new phone number or a new word, but quite another to get your brain to file it away so it is available when you need it。 A new study published in the Journal of Neuroscience by research

发表于:2019-02-03 / 阅读(152) / 评论(0) 分类 阅读空间

For all our research, resources, technology and collective intelligence theres still way more that we dont know about managing the human body, than we do. We like to think were more enlightened than ever but in many ways were still failing miserably

发表于:2019-02-07 / 阅读(275) / 评论(0) 分类 阅读空间

And the trick here is to use a single, readable sentence that the audience can key into if they get a bit lost, 这里的窍门就是使用简单、易读的句子,让观众即使有点儿不明白也能够掌握要点, and then provide visuals w

发表于:2019-02-21 / 阅读(148) / 评论(0) 分类 TED演讲教育篇
学英语单词
addle-head
adequate lubrication
akishi
Altman Z-Score
antistreptococcus sera
awendaw
Ballymena
Ban Bang Hin
bant pipe
bed-hopper
Binh Long
bobily
callandor
cangucu (cangussu)
chemical reaction flow
close-packed plane
coastal geomorphology
computer-based faxing
consuless
Corglykon
cultural relativist perspective
cuzick
Daiwo, Pulau
data center management
diaghilevs
dielectric phase induction logger
dry cell battery (dry battery)
evaluation and decision
F.O.D.abs
fault test generation
floor framing system
flow model
g value in radiation chemistry
heave root
Heller myotomy
heterokaryon test
high frequency sound
Hitzhusen
Ilex yangchunensis
incline plane
index of brightness
inside counting
isohypocytosis
katsuyuki
kendlehart
Kharatas
kicksorting of pulses
lasting seal
law of definite composition
light-pen display
lugoff
Magdalen cup
manama
mario and the magician
matrix discrimination technique
mckinlays
megalopia
middle mountain
mulriple
Nesodon
o-aminophenol
Ordzhonikidzevskiy
overbids
parent isotope
pharmaceutical sleep therapy
proctor process
production orientation
quarter glass
RADAS (random access discrete addressing system)
relaying voltage transformator
Rhododendron asterochnoum
rift gang edger
ript
shinies
Siegfried line
sinking speed
Sir Geraint
socket-outlet adaptor
stalled flight
start sb on
straight back hand saw
sutura vomeroethmoidea
suzuka
swanflower
tawells
three-time overload relay
timber pier
tinnevelly sennas
trajects
transit time tube
traveling cyclone
Trichosanthes smilacifolia
two-way specification
ultrasonic delay line
unexcussed
unlawful violence
urgent interrupt
voltmete
Volume licensing
weak conservation form
Welwitschiopsida
Yel'nya