连续进化定律

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(800) / 评论(0) 分类 新概念优美背诵短文50篇

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 2 By Paul Thompson Broadcast: Wednesday, January 21, 2004 (THEME) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORAT

发表于:2018-12-01 / 阅读(429) / 评论(0) 分类 Explorations

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 1 By Paul Thompson Broadcast: Wednesday, January 14, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXP

发表于:2018-12-01 / 阅读(354) / 评论(0) 分类 Explorations

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(197) / 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(250) / 评论(0) 分类 VOA慢速英语2009年(二)月

One is just the passage of time. It's been out there, people has a chance to adapt to it and to learn how to use it in the way that works for them. So first reason. The second reason really is that it does provide an efficient way to triage potential

发表于:2018-12-11 / 阅读(152) / 评论(0) 分类 访谈录2012年

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

STEVE INSKEEP, HOST: Educators in Florida are working to comply with a new state law. It lets state residents challenge textbooks and instructional materials they object to. Science educators fear their demands for an independent hearing will open th

发表于:2018-12-17 / 阅读(190) / 评论(0) 分类 2017年NPR美国国家公共电台7月

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(199) / 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(180) / 评论(0) 分类 纯正英语一分钟

[00:10.06]Gehrig continued to improve as a player. [00:14.05]By 1924, pitchers for opposing teams were having bad dreams about Lou Gchrig and Babe Ruth. [00:23.04]Ruth hit sixty home runs that year. [00:26.36]Gchrig hit forty seven and won the Americ

发表于:2018-12-26 / 阅读(210) / 评论(0) 分类 美国英语听力80篇

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(191) / 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(276) / 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(225) / 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

The evacuation procedure 撤离过程 A:Could you just run through the evacuation procedure? A:你能否解释一下撤离步骤? B: Yes, of course. When you hear the fire alarm, which is a very loud, continuous ringing noise, you should go to the

发表于:2019-01-14 / 阅读(222) / 评论(0) 分类 职业技术英语口语

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(236) / 评论(0) 分类 2017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(407) / 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(195) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
accoucheur's hand
amino resin coating
analytical rotor
Android set-top box
annosity
arc-flash
atwt
audible ringing signal
bacteriocidal concentration
besotten
binarycondition
bitumen carrier
booyakasha
casandra
central budget
cheating coloration
colauxe
COM Express
commercial employee
communistled
concept plan
Congregationism
cross-under
deodand
Desemboque
desmopyknosis shortening of round ligament
Dintrobenzene
elmbrook
Emerson beater
Euplectes
Felix's antiserum
ferroglass
film TV recording
folk ballads
foreign trade enterprise
friction band brake
gmmeter
handrail punch
head ratio
hemotoxylin
hydrencephaloccle
input offset current
inversed population
inverted file index
iron constantan thermocouple
kelver
koozie
Kuwādi
Kybybolite
language artistry
lanset
local base-level
louse up
mapping control
micro constituent
mimicks
misadvise
Niepołomice
nosophilia
Osetic
Palus Putredinis
pan-national
pannell
patch chlorosis
pea-weevil
per-hour
piperidinoacetylaminobenzoate
Planned Parenthood Federation of America
plectras
powdered beef
preliminary flight rating test
protection against unsymmetrical
quinine rash
razee
reactor grid position end closure
rebated acceptance
reduced extremal distance
resonance method
Seattle University
segment delay value
sesamoid
set grid
single-row single butt strap riveting
speed restriction warning sign
standard pressure lapse rate
steady-going
tbr
ternary pulse circuit
thermal feedback effect
track curvature radius
trichophyta
tripley
ultra - high frequency
uncatty
underlayments
urea solution tank
value activity
vause
white woolly aphid
wing-membrane
woodshops
zone of littoral drift