模态演变

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(699) / 评论(0) 分类 新概念优美背诵短文50篇

Section A Short Conversation [00:04.78]1.It seems to me that there is no need to have a screen on the door in the winter [00:12.04]We usually put it on in summer, don't we? [00:16.90]The only reason for having a screen on the door is [00:21.94]to kee

发表于:2018-12-01 / 阅读(254) / 评论(0) 分类 决胜六级英语听力

Section A [00:02.90]1.W:You've heard my report. Are there any comments? [00:07.94]M:On the whole,I agree with what you said. [00:12.20]But your last point about putting on a play doesn't seem to be very practical. [00:18.55]How can we put on a play w

发表于:2018-12-01 / 阅读(286) / 评论(0) 分类 决胜六级英语听力

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(118) / 评论(0) 分类 听一分钟英文-E

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(193) / 评论(0) 分类 数学英语

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(190) / 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(227) / 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(137) / 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(115) / 评论(0) 分类 纯正英语一分钟

Pre-Listening Vocabulary switch: move to a different position Wi-Fi: a wireless network that provides Internet connection Bluetooth: a trademarked name for a short-range wireless connection for computerized devices GPS: global positioning system, a s

发表于:2018-12-28 / 阅读(146) / 评论(0) 分类 趣谈英语

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(125) / 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(208) / 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(153) / 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(143) / 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(127) / 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(173) / 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(302) / 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(137) / 评论(0) 分类 VOA标准英语2010年(五)月

如果你要暂时逃离这个世界,与世隔绝,暂时不想和熟人接触,你可能会不接电话,不带手机,不上社交网站。通常是因为和恋人分手或者是工作不顺。 今天要介绍的俚语是airplane mode,用来形

发表于:2019-02-09 / 阅读(164) / 评论(0) 分类 美国俚语

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(172) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
.45-calibrer
Acaudina
adhesive type tyre
advance of fund
American round
antimonous fluoride
App Inventor
appraisal of machinery and equipment
aravalli range
audion tube
awareness
awayte
be afflicted at
blade tip deflection
boastful
broach cover
buttonhole operation
calliphorine myiasis
capacity of urban comprehensive disaster prevention
cargo dehumidification system
celis
cheat grass
chorisoneura formosana
chromophobic cellular tumor
clathrate structure
computation fluid mechanics
cost book
cruftiest
diadematoid
Dionysius,The Younger
discount on common stock
Euvestin
evangelical and reformed churches
even number pulse
fixed engine
fluke worm
funis hippocratis
get on with something
GM_neither-neither-nor-and-not-either
go Galt
guara
Haut-Einheits-Dosis
heart hypertrophy
Hebrovellidae
helc-
heptadecyl chloride
Icelandic Plateau
ilberies
Impatiens tubulosa
in a monastic silence
inexplicability
klystron repeater
kneecaping
light-brown
liver meal
lobettas
long-tailed porcupine
mass ejection
mean free time
Meditrenum
monetary capital
musical murmur
my memory
NaFBR sodium cooled fast breeder reactor
navigational warning for Atlantic
neurodepressive
octachora
palo duro canyon
perparine
price economy
priority symbol
proiner
put ... forward
quadrate lobe
quintuple frequency induction furnace
radioactive particles
re-named
reactive disperse dyes
schumann-heinks
Sertabs
skipping out
small steel shape
spot-welding equipment
stow down
surundacion
tals
tax depreciation
tetraclita formosana
thread tension bracket
to the turn of a hair
traumatic myelitis
twist multiplier
two way break before-make contact
two-spool
video insertion
visualizers
Volchikha
weak type
Werneking's commissure
wessling
witness an agreement
zinc vertical retorting