分枝演化

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(799) / 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(194) / 评论(0) 分类 听一分钟英文-E

Armani is known all across the world for being a leader in style. The Italian fashion house was founded by legendary designer Giorgio Armani in 1975. It is today one of the fashion worlds most prestigious names. It produces a wide range of clothes, a

发表于:2018-12-06 / 阅读(278) / 评论(0) 分类 各大品牌英文介绍

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(249) / 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(295) / 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(198) / 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(177) / 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(190) / 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(274) / 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(224) / 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(189) / 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(188) / 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(235) / 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(192) / 评论(0) 分类 2016年NPR美国国家公共电台9月

CDMA 码分多址 WCDMA 宽带码分多址 TD-SCDMA 时分同步码分多址接入 churn rate 客户流失率 walled garden model 高墙式花园模式 POC 手机对讲 IM service instant messaging service 即时通讯服务 bundle service 捆绑式服

发表于:2019-01-17 / 阅读(179) / 评论(0) 分类 英文语法词汇

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(404) / 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(194) / 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(168) / 评论(0) 分类 趣味英语

Can I Come Down Now? 现在我可以下来了吗? As one of natures top predators, the tiger is not an animal that we would ordinarily think of as being chicken. However, one tiger, which lives in an English zoo, turned out to be more cowardly than

发表于:2019-02-13 / 阅读(155) / 评论(0) 分类 英语听力精选进阶版

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(231) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
after some time
aggregate amount
angiopathic retinopathy
April weather
Argentiere
ash discharging gear
assimilationisms
associating
basing-point pricing
bedding correction
binary non-algebraic adder
Brayton cycle
canonical random variables
carbon and low-alloy steel vessels
charge-transfer device
chloracetic acid
choline acid
construction joint
courts-baron
craftart
Danjon prismatic astrolabe
datum correction
di-2-pyrrolyl ketone
effective thickness of wall
enmass
epileptology
epilogs
evidence for the prosecution
external recessing
fall short of the standard
Ficoll-Hypaque
fruit shape index
futret
Garwa
gas tight bulk head
Gerlach's tonsil
giovan
go adrift
grease-well lubrication
gubakha (gubaha)
Génelard
haliday
hand-pushed indicator diagram
Hexaklor
horizontalists
hovermarine
I-pili
Ibn Qutaybah
imparsonee
informed decisions
insulation recovery
kideo
knife driving arm
kostner
linear algebraic equation
low-flyer
Lythrodontas
machine state
manual telephone switchboard
marseilaise
micro-statistics
nichrome resistance wire
nobilo
o-acetylphenol
octandras
Ornithogalum pyrenaicum
per pro.
positioning piston
prednisolone 21-tertbutylacetate
pricelessnesses
primer RNA
priority sequence
Property P
radial time base
rear lamps
recovery function
remugient
roll motion
Sask
septicum
shot-shell tube paper
small-subunit
snow-bird
sophorin
sot-weed
spermatoblasts
Stenoglossa
stretch your legs
structure invariant
subdeacons
Sulfurazole
symmetric-unbalanced laminate
theoretical electrical engineering
traipsed
tranquilises
transient area descriptor
twerpy
under-developments
Uraga-suidō
wolfsong
xxi
you tell me