音标:[,kemә,i:vә'lu:ʃәn] ;
化学进化

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(747) / 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(144) / 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(212) / 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(252) / 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(154) / 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(139) / 评论(0) 分类 纯正英语一分钟

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(151) / 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(229) / 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(178) / 评论(0) 分类 Scientific American(十二)月

DAVID GREENE, HOST: Today in Your Health, we're taking a close look at chemotherapy. It's been a mainstay of cancer treatment for decades, but that method is slowly being edged aside in medical research as new treatments, like immunotherapy, grab the

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 2017年NPR美国国家公共电台3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(161) / 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(155) / 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(196) / 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(151) / 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(345) / 评论(0) 分类 60秒科学

英语作文 The biggest difference between animals and human is that human can think. So we have emotions. Love,hatred and grief are emotions.I was an emotional boy since I was young.I love to watch the dark sky,the moon and the stars.They always make

发表于:2019-02-01 / 阅读(145) / 评论(0) 分类 英语作文

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(159) / 评论(0) 分类 VOA标准英语2010年(五)月

By Benjamin Sand Islamabad 16 March 2007 Tension is mounting throughout much of Pakistan as protests continue over the controversial suspension of the country's top judge. From Islamabad, VOA correspondent Benjamin Sand reports the chief justice vows

发表于:2019-02-03 / 阅读(167) / 评论(0) 分类 2007年VOA标准英语(三月)

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(141) / 评论(0) 分类 趣味英语

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(195) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
'Jelly Roll' Morton
1-acenaphthenol
3-D display
ac galvanometer
admitteth
advanced data display system
air launched cruise missile
amities
angular abrasive
anodic flash
antiballistic missile early warning system
array processor
bagged tyre
balled warp
bathroom scales
brachium of superior colliculus
brain region
channel fringe
chip packer
ciclesonide
Coregonus artedi
coronvit
correk
crosshead side shoe
cutting rooms
draw conclusions
dregs of society
eharge stroke
entry of infection
experimental mean pitch
extent of mechanization in loading and unloading
fazotorn
fishing base-plate
flavoured meat
free of average
frostbitten
gastric stimulant
Gettnau
gob-stoppers
gradual contraction
GT
half-revolution
haunt of criminals
hovs
hypercyanotic
hyrum
IF-THEN gate
immigration status
injury of lower abdomen
ionic binding
isostasy gravity anomaly
jail-birds
Jhalrapatan
Kambing I.
KMP
Koumaïra
like all get-out
long extensor muscle of great toe
macrohomotoma gladiatum kuwayama
make-table query
mapping mode
marble top
miscellaneous loss
mountain degus
mtbr (mean time between repair)
multimegacycle
nonrevised
number of files
open-loop engine control
oxalinast
Peruru
platinum needle
pohan
prenasal process
primary inductance
pseudopositor
reprieves
safeguard of ultratemperature
scant breast milk
scientifiques
siganus canaliculatus
spatial sampling
stuffer yarn
styrones
sulfathiophene
sulfenamoyl
tailing pile
Taunton Deane
teat cup liner
There is safety in numbers
tidal lights
time cost estimates
travelers' diarrhea
tray flatness
turn a deaf deaf ears
U link
uncome-at-able
unenthusiastic
wall pellitory
wood carviny by sand blast
Yankouko
zoospermia