历史演变

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(658) / 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(72) / 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(155) / 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(188) / 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(97) / 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(77) / 评论(0) 分类 纯正英语一分钟

Major Historical Periods Livy: Tell me again why were here on a Saturday afternoon. Nicholas: Youre going to love this museum. It has artifacts and exhibits from all the major periods in history, from prehistoric days to the present. Livy: Hmm, fasci

发表于:2018-12-27 / 阅读(103) / 评论(0) 分类 2015年ESL之日常生活

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(414) / 评论(0) 分类 英语范文背诵20篇

Grammar Girl here. Todays topic is the difference between the words historic and historical. A listener, Denise, wants to know if she should say, We sell historic replicas or We sell historical replicas. Was an event a historic occasion or was it a h

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 英语语法 Grammar Girl

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(90) / 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(163) / 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(101) / 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(98) / 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(87) / 评论(0) 分类 2014年VOA慢速英语(四)月

By Jessica Golloher Moscow 27 October 2009 Since the fall of the Soviet Union, Russia has seen a dramatic surge in new construction, especially in cities like Moscow. New buildings and businesses are typically welcomed in any neighborhood, especiall

发表于:2019-01-14 / 阅读(73) / 评论(0) 分类 VOA标准英语2009年(十月)

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(127) / 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(84) / 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(211) / 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(94) / 评论(0) 分类 VOA标准英语2010年(五)月

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(139) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
A arrival factor
admitted language admittivity
angle meter
arc of visibility of light
backmixing
biostimulation
bobsleigher
Brazilian Sign Language
cell-free extracts
Cerazole
Christiansen's method
commutating reactor
compliance culture
computer subsystem
confirmation field
contracting company
coquimba lianpui
courbevoies
Crookes tube
cuprous compound
dalton
decalone
donkey-puncher
double density diskette
double pass dye laser amplifier
driveshafts
dugalds
electrical zero position
electrothermal drying
energy transfer coefficient
facies poplitea
fauxtography
femininely
flexible compiler
flowing surface water
foot pedal hanger
freewriting
freight information center
frequency fall
furrow slice
Gandarra
georges seurats
gERP
goldkorn
gone on the water wagon
grid resistace
h-type compressor
heteroallene
improve blood circulation to free the network vessels
infenestrate
Kawabe-gawa
klingsor
km(kilo-mega)
knob-twiddlers
Kooriyama
law of super-position
Linksys router
lobster-tail catheter
Lower Klamath Lake
Maokouan Stage
Meckel's band
mipple
N5-hydroxymethyltetrahydrofolate
near approach
normal activity
not know what hit you
off odour
oleate of zinc
passage in transit
phantomatic
phatnorrhagia
pheliozine
pre-incarnation
preybirds
propylisonitrile
quality control program
redonian
relative voltage response
relocation expenses
satellite-phone
self-rescue
sludge trap
smaller green leaf hopper
snappily
solvable ideal
speechreaders
substellate
subsurface cistern
surreality
system-based auditing
Taira Tadamori
tapping pin
target cathode
the affirmative action of entrance examination
thermo-mechanicaltreatment
total amount of ozone
Tyrolean
unit volume
wale narrowing
whistle and siren control system
windbound
Your grandmother!