美国资讯科学协会

UNIT 5 Text A PRE-READING TASK Exercise 1 Before reading the passage, think over the question. Should a scientist be responsible for the results of his or her work? Why or why not? Now read the passag

发表于:2018-12-04 / 阅读(288) / 评论(0) 分类 实用英语综合教程

SCIENCE IN THE NEWS - A Warning About Wireless Internet / Broken Heart Syndrome / A Question About Science and Engineering By Broadcast: Tuesday, February 22, 2005 (MUSIC) VOICE ONE: This is SCIENCE I

发表于:2018-12-07 / 阅读(85) / 评论(0) 分类 科技之光

This is Scientific Americans 60-Second Science. Im Cynthia Graber, this will just take a minute. For generations, nearly all medical research was done on men. And the assumption was that whats true for men is true for women. Now of course we know tha

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. You've probably take you depth perception for granted. It allows you to easily judge distances. Each eye sends a different signal to the brain, and the

发表于:2018-12-24 / 阅读(102) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? It's been more than a decade since the human genome was published. And some critics have wondered where the promised medical applications are. Well, a review article in

发表于:2018-12-24 / 阅读(119) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's Sixty-Second-Science, I'm Steve Mirsky, got a minute?With every individual and every technology we have a lot of intended benefits and intended consequences. Simultaneously, we have many unintended consequences. Subra Su

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 2015年Scientific American(一)月

Topics: American Authors Kurt Vonnegut; Famous Songs When You Wish Upon a Star; to knock up versus to knock down versus to knock over versus to knock off; new versus brand new; give and take Words: to capture to bomb journalist technology science fic

发表于:2018-12-26 / 阅读(91) / 评论(0) 分类 美语听力 English Cafe

Activity 1 Weather forecast A Listen to the weather forecast. Supply the missing information. Areas Weather conditions Temperatures Mexico City Mostly cloudy _____________ Buenos Aries __________________ _____________ La Paz Partly sunny ____________

发表于:2018-12-27 / 阅读(115) / 评论(0) 分类 Listen this way听力教程

By Jill Moss THIS IS AMERICA -July 29, 2002: National Museum of American History VOICE ONE: The Smithsonian Institution in Washington, D.C. collects, cares for and protects more than one-hundred-forty

发表于:2019-01-04 / 阅读(166) / 评论(0) 分类 This is America

SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quantum Theory By Caty Weaver Broadcast: Tuesday, August 17, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dought

发表于:2019-01-07 / 阅读(141) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Indiana Jones (I hate snakesI hate em!) would have totally despised a snake that lived some 60 million years ago. Because researchers working in Colombia have found th

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 Scientific American(二)月

Information society 信息社会 Gary: [from Covent Garden in London] Ive chosen one of the hottest days of theyear to take a short stroll from our BBC studios to nearby Covent Garden. Imvisiting Hakim Kahtan, whos manager of Global Tele-Call. This part

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 英语讨论

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. We humans have always pondered the heavens. Astronomy and physics have come out of our wonder at the points of light in the darkness. Scientists now wa

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(五)月

This is scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Predicting a hurricanes strength and speed is crucial in order to save property and lives. Right now, the only way to get accurate information is to fly

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(四)月

SCIENCE IN THE NEWS - Maya Developed Early / A Shortage of Scientists? / Good Health Information By Broadcast: Tuesday, May 18, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special Engl

发表于:2019-01-16 / 阅读(119) / 评论(0) 分类 科技之光

It's, in short, how we learn what we know about other people and about the world. 简而言之,那就是我们如何了解到,我们对于其他人的认知,以及我们对于全世界的认知。 But we live in a 100-percent media-saturated so

发表于:2019-01-18 / 阅读(115) / 评论(0) 分类 TED演讲国际问题篇

this is scientific american 60 seconds science.i am soufi bushiwik got a minute? the mid-day nap is a preschool tradition, but is it necessary? some preschool plan to eliminate this downtime to feed in more teaching which could common the expense of

发表于:2019-01-20 / 阅读(120) / 评论(0) 分类 Scientific American(十)月

BEIJING, Aug. 2 (Xinhua) -- The Red Cross Society of China (RCSC) has vowed to establish an efficient, transparent and normative system of management, information and supervision in three to five years. Zhao Baige, executive vice president of the RCS

发表于:2019-02-17 / 阅读(130) / 评论(0) 分类 英语新闻
学英语单词
a moleson (switzerland)
acetocid
aji
array printing statement
atomic operation
Baltimore club
bdellatomy
body type antenna
butch-femme
bystander effect
cable fault locator
centrifugal separator
chain welding
classification signal
combining function
courage
Cyathocrinina
Cz.
dichromatic vision
dimethylstearylamide
diphtheria immunization
distilled gasoline
double-axe
ebil
eff you
Elk Mountains
equilibratory sense
ethylicin
ez
female impersonators
file address register
fitting flowsheet
flat glass
formulisms
fourice
freud
fundamental conception
germens
grow out of knowledge
Hohenlinden
HPH (high pressure heater)
humectives
immobile liquid
inositus
isoombre
jade stalk
judicial duty
kuona
lagged type
latterest
line-firing
meanably
metamine
midborder
mouton
negative zero scale
Nico hydrostroke feeder
non-reproducible sample
nonprotein respiratory quotient
nutrition center
onramps
overjustifies
packing method
Paraleptochilus
paramilitary units
pay for her whistle
Pelomedusidae
powder metallurgies
press-mark
Protected frequency.
publicly-fundeds
pump component
quissers
rear wall frame
Reelfoot Lake
rican
Riipi
saucer shaped wheel
scale like
screen settling
semilapsed
ship hydrodynamics laboratory
smoke unit
sodio-acetoacetic ester
solar calculator
starboard
statement of cash flow
stenchiest
substitutional solute atom
supplementary pump
temporary short rail
Terrence Higgins Trust
thermal medium
thymus dependent deficiency
Tigre, R.
time-sharings
total bacterial count
underground kohlrabi
vein-type pitchblende-sulfide deposit
welded bridge
well-followed
wrap this up