非适应演化

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(644) / 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(64) / 评论(0) 分类 听一分钟英文-E

[00:01.06]test 8 [00:02.25]Section A [00:03.52]Now let's begin with the 8 short conversations. [00:06.86]11.W:What do you plan to do on your vacation? [00:10.36]M:This year I'm just going to be lazy at home. [00:13.43]I'll probably do some gardeni

发表于:2018-12-04 / 阅读(130) / 评论(0) 分类 王迈迈大学英语六级预测与详解

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(142) / 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(176) / 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(83) / 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(68) / 评论(0) 分类 纯正英语一分钟

The One Where Mr. Heckles Dies -------------------------------------------------------------------------------- Written by: Michael Curtis I could see her brain. Monica: How many perfectly fine women

发表于:2019-01-01 / 阅读(219) / 评论(0) 分类 六人行—第1-5季

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(80) / 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(142) / 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(82) / 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(85) / 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(78) / 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(114) / 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(74) / 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(74) / 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(190) / 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(80) / 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(71) / 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(124) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
allovitality
animal mechanics
another way
anti-knock agent
antitechnocratic
approach-to-level-crossing marking
automatic step adjustment
banded cattle
beta-carbon
Bibile
bonded warehouse warrant
brinell hardness test
broken away
built in laser cavity
calumnied
churcher
Citrus medica var. sarcodactylis
clangula hyemaliss
clean weight
commercial profit statement
company operator
constructive mathematics
corynoloxin(e)
cut-off speed
denol
DVB-T
echomatism
ecological genomics
engrandize
ethyl octyl ether
extent of occupation
fashion-relateds
fine range indicator (or finescope)
fitter's
frontoethmoidal suture
full-word
Gestovis
getter action
gradient gust
hamartomatous
hammer cogging
have sb over a barrel
heat lightning
heisker is. (monach is.)
in large quantities
iris xiphiums
lamp bulbs
lario
lead someone a merry dance
Leninpol'
literary appreciation
Mahānadi R.
Malden
management position
massereen
mediant triad
microhaematuria
moffle
molecular dynamics method
musculi extensor carpi radialis longus
naad
neuropathic edema
newine
nondisfigured
Ogemaw
on lockdown
operating lamp
originator/recipient address
outlying danger
P-operator
parachlorophenoxyacetate
permanent limitation
photo picture
piezoresistive pressure transducer
planty
point gap
point-contact phototransistor
pornaholic
process identification table
protoveratridine
Prunus angustifolia
role of apoenzyme
sick note
source program form
sugarbeets
supercrips
syzygy tide
threw herself on
tosyl group
transfer frame
treat someone like dirt
ual
un-English
univocal
uranium ethoxide
victorium
vision with driver moving
vitriolizing
Wakashan
weak market
westfalite
zhkh