冷水种

By Caty Weaver Broadcast: August 1, 2003 This is Steve Ember with the VOA Special English Environment Report. Last month a judge ordered the United States Army Corps of Engineers to begin to lower wat

发表于:2018-12-01 / 阅读(96) / 评论(0) 分类 VOA2003(下)-环境与健康

Cooling, Drying Climate May Have Led to Neanderthal Disappearance A new study suggests that ancient periods of cold and dry climate helped our species take the place of Neanderthals in Europe. Researchers found that such cold periods happened at the

发表于:2018-12-08 / 阅读(65) / 评论(0) 分类 2018年VOA慢速英语(九)月

BBC Learning English 6 Minute English Spider Invasion NB: This is not an accurate word-for-word transcript Kate: Welcome to this week's 6 Minute English. I'm joined today by Rebecca. Hi Rebecca. Now a bit of a scary question to start the programme wi

发表于:2018-12-11 / 阅读(72) / 评论(0) 分类 六分钟英语

[00:07.00]1 Listen to the tape and fill in the correct information in the spaces below. [00:15.15]1.Walk along the street of any major city, [00:21.32]and you will see that the air you breathe is not very fresh. [00:27.27]Air pollution is a serious p

发表于:2018-12-13 / 阅读(171) / 评论(0) 分类 高中英语人教版2000年高一

[00:02.90]The world around us [00:06.45]LISTENING [00:09.20]1 Listen to the tape and fill in the correct information in the spaces below. [00:17.37]1.Walk along the street of any major city, [00:23.54]and you will see that the air you breathe is not

发表于:2018-12-13 / 阅读(147) / 评论(0) 分类 人教全日制普通高中英语(必修)高一

[00:01.94]Fresh water [00:03.71]Rivers, lakes and wet-lands are sources [00:06.23]of fresh water,not only for humans, [00:08.50]but for wildlife too. [00:10.35]Due to pollution and climate change, [00:12.60]about 50% of the world's fresh water habita

发表于:2018-12-13 / 阅读(139) / 评论(0) 分类 北师大版高中英语模块8(选修)

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. For the last five years, researchers have been analyzing bird DNA. That effort has now completely altered our understanding of which bird species really

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's Sixty Seconds Science. I'm Sophie Bushwick. Got a minute? To monitor the biodiversity of the freshwater habitat, you could compare by the water and count the rare wildlife. Or you could just scoop up a cup of water. A ne

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(十二)月

Kate: Welcome to this week's 6 Minute English. I'm joined today by Rebecca. Hi Rebecca. Now a bit of a scary question to start the programme with today how do you feel about .spiders.? Rebecca: Eurrgh.. Kate: I can't say I'm delighted to find them lu

发表于:2018-12-27 / 阅读(56) / 评论(0) 分类 一起听英语

Over seventy per cent of the Earths surface is ocean. Many of our oceans are being damaged by human activity. On June 8, we recognize the importance of the oceans with World Ocean Day. This important day in the environmental calendar began on 8 June

发表于:2018-12-29 / 阅读(160) / 评论(0) 分类 世界节假日博览

Over seventy per cent of the Earths surface is ocean. Many of our oceans are being damaged by human activity. On June 8, we recognize the importance of the oceans with World Ocean Day. This important day in the environmental calendar began on 8 June

发表于:2018-12-29 / 阅读(78) / 评论(0) 分类 英语课程学习计划和讲义

Volcanoes forged the rocky coast of Cabo de Gata in southeast Spain. But the tides blanket it with reef-like structures built by snails. An algine marine biologist Diego Moreno says this sea of life can be deadly. Filth and contaminants accumulate o

发表于:2018-12-30 / 阅读(91) / 评论(0) 分类 国家地理2008年

A; is the environment a big issues in your country? It is in mine. B: it is in mine too. The biggest issue is water. The climate is dry and so water conservation is very important. A: what methods do you use to conserve water? B: water is rationed. W

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 英文剧本

LIFE IN THE OCEAN The earths oceans can reach depths of up to 11,000 metres.That is deep enough to cover Mt Qomolangma! The oceans are incredibly large and contain several different habitats.To make it easier to describe the various parts of the

发表于:2019-01-09 / 阅读(233) / 评论(0) 分类 高中英语听力人教版第二册

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about mammal populations in danger of disappearing. We will also tell about one kind of animal that disappeared

发表于:2019-01-11 / 阅读(115) / 评论(0) 分类 VOA慢速英语2008年(十一)月

AS IT IS 2015-01-09 Science Fiction Becomes Reality for Species Surveys 科幻变成现实的物种调查 Many science fiction stories tell about explorers arriving in a new world. The explorers then use some kind of high-tech device to test for brea

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2015年VOA慢速英语(一)月

Species Loss Compromises Earths Vital Systems Scientists have long thought that diverse ecosystems like forests, lakes and streams are especially good at removing pollutants that human activities put into the environment. A new study in the journal N

发表于:2019-01-14 / 阅读(61) / 评论(0) 分类 VOA标准英语2011年(四月)

Volcanoes forged the rocky coast of Cabo de Gata in southeast Spain. But the tides blanket it with reef-like structures built by snails. An algine marine biologist Diego Moreno says this sea of life can be deadly. Filth and contaminants accumulate on

发表于:2019-01-22 / 阅读(86) / 评论(0) 分类 自然百科2008年

SCIENCE IN THE NEWS - Flight to Service Hubble Telescope Could Take Place in Early 2008By Jerilyn Watson and Jill Moss Broadcast: Tuesday, November 07, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in V

发表于:2019-01-30 / 阅读(98) / 评论(0) 分类 2006年慢速英语(十一)月

By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have

发表于:2019-02-06 / 阅读(103) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
adopt-a-book program
airzol coffee
Al 'Azīzīyah
All are good lasses, but whence come the bad wives?
angel-faces
as welcome as a storm
atherospermine
axial cell
basic oxygen furnace
bear something out
bidigraph
biradical
bold italic
brachysomophis longipinnis
branderne
breast bud
C.difficile
cefuroximase
cement proportioning worm conveyor
certain suggestions
chemical element
chieftaincies
Claud
cleg
data transport services
day's date
deductible clause
didakai
Ellerstadt
Emory University
encipter
field event
Flagellaria
format address
frame check sequence
galumphing
gear pump with pressurized side plates
geolocalization
Goodspeed, Edgar Johnson
high-countries
hip lock
hydrosorbic acid
hyperferremia
in vitro fertilization
information collection and processing
insulat
jacket ga(u)ge
jejunoileal
Jordanian monetary unit
ko shan
Legal System of Ship arrestFrance
linear context-free language
lochia sanguinolenta
macedonia (makedhonia)
maneuverable spacecraft
mast-cell sarcoma
MDEBP
metal substrate
micro-stimulation
molestable
mollison
monumentalities
morphophysiological system
multi-fx
nonoxynols
oestreichers
one-months
ooot
orthobunyavirus akabane virus (livestock pathogen)
ossa naviculare manus
palsify
paradigmata
percolation probability
phillis wheatleys
planer table
plant seedling method
radial operation of a part of a net-work
reactive varhour meter
reflectionally
relaxed static stability control
resoundingly
roentgenoscopy
rolelessness
roll change mechanism
Ruhs
sardan
site model theory
soka
spatial monopoly
submultiple of si units
telephone cable paper
thermoregulatory response
thoriated cathode
TL-CFC
tridecylene diacid
true bearing
vacuum floating melting
Vanda pumila
very toxic
Webenheim
white linear scar
wicksteeds