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(666) / 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(234) / 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(207) / 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(82) / 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(162) / 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(77) / 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(200) / 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(76) / 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(107) / 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(85) / 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(139) / 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(98) / 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(177) / 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(119) / 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(110) / 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(100) / 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(131) / 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(146) / 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(248) / 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(109) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
3-Deoxy-manno-octulosonate-8-phosphatase
advanced cardiac life support
AEOD (analysis and evaluation of operational data)
arg-
armigers
ashlared
aviendha
bacteriophagous
be content with
bernzini
bitter peptide
booq
Bīrbīrsa
cariole
cartright
catarrhal dyspepsia
chafing block
charcoal blacks
Chooz
clausius
clear blue water
clinidaes
colourless calcium aluminate glass
common platform
consanguinous
continuous feed plating press
destandardize
dosage meter
double beating-up
double point gear
drift theory
Earthquakeproof
electroablation
eleet
ELGs
evatron
eyeletter
fenestras of the vestibule
forensic physician
furanose
ground effects
Hamburger Hallig
high-speed vibrating separator
ice blockage
infrared technology
international geographical union (igu)
it's up to you
keratinases
light breeze
live shell
Longer Catechism
M-TH
marine boundaries delimitation
mart
maximum machine voltage
mechanical ashed producer
meninx primitiva
mineral analytical chemistry
Mistassini R.
mitratapide
munrows
naibours
Nangnimho
negative substituent
Neodrenol
Network Management Station
noah websters
nymphetic
obstropalous
Osage River
pair-bondings
perforated film
performs
Pkulngri Pt.
prelacrimal
prenominate
professional journal
propazine
quenepas
revenue office
Shahbanu
shrummer
single fillet welded lap joint
soft limit
stoleru
storage file
suicide king
sulfurised
Suze-la-Rousse
swagger coat
threephase inverter
tillmans
tin plate ink
tinfoil hats
tip aileron
transpos(ition)ing(operation)
trigony
underneath
uramido
userer
Verkhodvor'ye
wahter