技术演变

17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of s

发表于:2018-11-27 / 阅读(884) / 评论(0) 分类 新概念优美背诵短文50篇

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

发表于:2018-12-04 / 阅读(266) / 评论(0) 分类 听一分钟英文-E

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

发表于:2018-12-07 / 阅读(331) / 评论(0) 分类 VOA慢速英语2009年(二)月

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide

发表于:2018-12-15 / 阅读(373) / 评论(0) 分类 新东方背诵文选

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Creationists often publish lists of a few dozen scientists who doubt Darwin. So in 2003, the National Center for Science Education put together a list of 200 scientist

发表于:2018-12-24 / 阅读(277) / 评论(0) 分类 Scientific American(二)月

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

发表于:2018-12-26 / 阅读(253) / 评论(0) 分类 纯正英语一分钟

Speaking About the Future Robert: These designs are really futuristic- looking. Mara: Im trying to be forward-thinking and imagine what the world will be like in 50 to 100 years. Robert: You think that the world will be filled with space-age gadgets

发表于:2018-12-27 / 阅读(328) / 评论(0) 分类 2015年ESL之日常生活

SCIENCE IN THE NEWS - Evolution and Intelligent Design By Jill Moss Broadcast: Tuesday, March 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sarah Long. VOICE TWO

发表于:2019-01-04 / 阅读(282) / 评论(0) 分类 科技之光

Don Gonyea: After 17 days of skiing, skating, sliding and yes, even a little doping , the Winter Olympics end today. For NPR sports correspondent Tom Goldman, the Turin Games are the seventh Olympic he has covered. Looking back, he has this essay on

发表于:2019-01-04 / 阅读(362) / 评论(0) 分类 2006年NPR美国国家公共电台

We usually think of evolution as something that happens over eons, in remote places where people rarely venture. Not something that happens around the backyard birdfeeder in just a few decades. But a study in the journal Current Biology suggests that

发表于:2019-01-08 / 阅读(290) / 评论(0) 分类 Scientific American(十二)月

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(292) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Shaping Human Evolution at the Smithsonian 史密森尼美国博物馆塑造人类进化过程 Welcome to American Mosaic from VOA Learning English. Im June Simms. Today on the show, we visit a museum where art and science help tell the story of huma

发表于:2019-01-12 / 阅读(279) / 评论(0) 分类 2014年VOA慢速英语(四)月

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

发表于:2019-01-16 / 阅读(328) / 评论(0) 分类 2017年NPR美国国家公共电台9月

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. And on the show today, ideas about the things we do in the present that could have troubling consequences in the future. But that doesn't mean we shouldn't look forward to the future. I me

发表于:2019-01-16 / 阅读(433) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Decades After An Iconic Protest, Tommie Smith Has Something Else On His Min play pause stop mute unmute max volume 00:0004:48repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

发表于:2019-01-16 / 阅读(287) / 评论(0) 分类 2016年NPR美国国家公共电台9月

Backyard Feeders Driving Bird Evolution A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to beco

发表于:2019-01-30 / 阅读(498) / 评论(0) 分类 60秒科学

Multi-media website explores human evolution Rosanne Skirble | Washington, DC 07 May 2010 'What's Hot in Human Origins' keeps you up-to-date on recent studies and research in the field. The human origins website at www.humanorgins.si.edu poses the ag

发表于:2019-02-02 / 阅读(288) / 评论(0) 分类 VOA标准英语2010年(五)月

One day a 6 year old girl was sitting in the classroom. The teacher was going to explain evolution to the children. The teacher asked a little boy: Tommy do you see the tree outside? Tommy: Yes. Teacher: Tommy, do you see the grass outside? Tommy: Ye

发表于:2019-02-08 / 阅读(221) / 评论(0) 分类 趣味英语

U.S. National Research Council calls for more exploration Rosanne Skirble | Washington, DC 08 April 2010 Photo: Smithsonian National Museum of Natural History Rick Potts has led excavations at early human sites in the East African Rift Valley, and cu

发表于:2019-02-12 / 阅读(283) / 评论(0) 分类 VOA标准英语2010年(四)月

Lord Mayor of the City of London: China's Stock Market "Hiccup" Part of Market Evolution In a press briefing with journalists on his planned visit to China next week, the Lord Mayor says it is a common episode in any emerging market to have overb

发表于:2019-02-13 / 阅读(306) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
African Canadian
all-wcal
asahi take (asahi-dake)
aumonier
aveyner
bar lines
Barang, Dasht-i-
Battle of Granicus River
be easy
be heavily into
bernatchez
bite strap
breathe in
cam reduction gear
chart reversal
coronal condensation
crackas
creatures of habit
cutaneous histoplasmosis
doffers
drearihead
ebb stream
ejector sleeve
endopsychic
fascinators
field document
field power supply
flase symbol
fuel-cell-system energy-to-volume ratio
gossipfests
goyisch kop
group displacement
hasset
have at heart
hewed
housecleaned
hypnagogic
incoming selector switch
Indian weeds
Kohila
leek
list processing condition
megalopygids
monitor fixed-offset area
Mons Mensae
mool
multitude
myristic
natalensis
negative galvanotaxis
nuclear moisture and density dynamic meter
Nucleus lenticularis
nurdled
Otricoli
oversea transmission
oxygermylpropionic
pamphletize
paramunida tricarinata
particeps-criminis
perkinsosis
photoperturbation
pithecolobiums
plantopal
potentially-harmful
prelubricated ball
probabilistic
pygmy possum
Rig Veda
sagittal suture of fetal head
Samoyedic-speaking
secondary dispersion pattern
seismonastic turgor movement
sell by date
Shek Mun
single-shear riveting
soil electricity
soil specific resistance
sparkly
special development area
stable isotope geochemistry
standheight diameter
steam sterilizing
SU9-DHFR
sub-zero coolant
subroutine re-entry
t junction
Taiyuan Formation
terminal end to end control
translation theorem
transnaturing
tritomite-(Ce)
turbulent flux
turtledoves
two touch
undiverts
uniform ice loading
varooming
whiska
width of navigation channel
wynonna
zinc hydrosulfite (zinc dithionite)