un. 空间群消光

Passage Two 14. A) The Asian elephant is easier to tame. B) The Asian elephant's skin is more valuable. C) The Asian elephant is less popular with tourists. D) The Asian elephant produces ivory of a b

发表于:2018-12-01 / 阅读(106) / 评论(0) 分类 【CET 12-24备战】六级听力

LULU GARCIA-NAVARRO, HOST: Fast-food restaurants use all sorts of promotions to get customers through their doors. Two-for-one deals, toy giveaways, and now, venison. Yes, Arby's is the first major fast-food chain to serve a deer-meat sandwich nation

发表于:2018-12-02 / 阅读(122) / 评论(0) 分类 2017年NPR美国国家公共电台10月

By Nia Sutadi Santa Monica, California 30 April 2007 Orangutans are highly intelligent and are one of man's closest relatives. Found primarily in Indonesia, their name in English means People of the Forest. Just a century ago, their numbers were plen

发表于:2018-12-08 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(四月)

Did a secret police infiltrator inside Fathers for Justice first propose the idea of kidnapping Tony Blair’s son? That's what some members of the organization now suspect. It started as a simple con

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 英伦广角

Scientists who study primates say that we are moving towards a time when species like gorillas will no longer be found in the wild . They say Orangutans would be gone too. And Madagascar would lose its lemurs. Jo Setchell is a primatologist at Durham

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 2017年VOA慢速英语(三)月

Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well

发表于:2019-01-07 / 阅读(111) / 评论(0) 分类 英语新闻

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(181) / 评论(0) 分类 六分钟英语

By VOA News 12 February 2008 Astronauts from the space shuttle Atlantis are formally opening the new laboratory at the International Space Station Tuesday. Crew members set up electrical and data lines linking the new Columbus laboratory to the stati

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 VOA常速英语2008年(二月)

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today, we examine a new report about the health of the world's many plants and animals. (MUSIC) VOICE ONE: The orangutan is among anima

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 VOA慢速英语2007年(十)月

By Lisa Schlein Geneva 12 September 2007 A new report says the number of species threatened with extinction is escalating. The World Conservation Union, which has just released its Red List of Threatened Species, warns life on Earth will continue to

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 2007年VOA标准英语(九月)

Researchers have developed a new computer model that they say helps determine which mammals are headed for extinction as a result of human activity. Earth is undergoing its sixth mass extinction, threatening about a quarter of all mammal species, ac

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 VOA标准英语2009年(六月)

By Daniel Schearf Bangkok 25 September 2009 Cambodian fishing boats at anchor in middle of Mekong River, on outskirts of Phnom Penh, Cambodia's capital (file photo) A conservation group says newly discovered species in the Mekong river region are at

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 VOA标准英语2009年(九月)

MARY LOUISE KELLY, HOST: A growing body of research shows climate change is bad, not just for the planet, but for our mental health. People who've lived through weather disasters are more prone to depression, suicide, post-traumatic stress. Psycholog

发表于:2019-01-17 / 阅读(102) / 评论(0) 分类 2017年NPR美国国家公共电台4月

The Yangtze River is a major habitant for finless porpoise, an aquatic marine mammal close to dolphins. However due to increasing human activities the number of the animal has been declining in China over the years. Provinces along the Yangtze River

发表于:2019-01-19 / 阅读(158) / 评论(0) 分类 2018CRI中国国际广播电台

By Mike O'Sullivan Los Angeles 03 July 2006 A large asteroid, known as 2004 XP14, raced past the Earth early Monday. Scientists say it posed no threat to the planet, but serves as a reminder of the hazards encountered in space. -------- The rocky sp

发表于:2019-01-20 / 阅读(170) / 评论(0) 分类 2006年VOA标准英语(七月)

Passage Two 14. A) The Asian elephant is easier to tame. B) The Asian elephant's skin is more valuable. C) The Asian elephant is less popular with tourists. D) The Asian elephant produces ivory of a better quality. 15. A) From the captured or tamed e

发表于:2019-01-25 / 阅读(160) / 评论(0) 分类 英语六级听力练习集锦

By Al Pessin Pentagon 07 December 2006 President Bush and members of the Senate served notice on the Iraq Study Group Thursday that its 79-recommendation report on U.S. Iraq policy is not likely to be adopted in its entirety. But the group's co-chai

发表于:2019-01-31 / 阅读(173) / 评论(0) 分类 2006年VOA标准英语(十二月)

Cambodia is home to the largest population of sun bears left in the wild. As the worlds smallest bear species, they are now facing a high risk of extinction due to the twin threat of habitat loss and illegal hunting. Charities are working hard to sav

发表于:2019-02-04 / 阅读(108) / 评论(0) 分类 英语新闻视频

Pre-Listening Vocabulary habitat: the place where living things live extinction: the state of no longer existing threatened: facing a possible risk of extinction 24/7: all day and night; at all times human intervention: the involvement of humans Habi

发表于:2019-02-08 / 阅读(186) / 评论(0) 分类 Facts-事实

Even after stripping out the more crackpot notions there are still more theories for what caused the extinction events than there have been events. 即使去掉了不大切合实际的观点以后,解释灭绝事件原因的理论依然多子事件本

发表于:2019-02-17 / 阅读(97) / 评论(0) 分类 万物简史
学英语单词
a nubbin
acute nonsuppurative thyroiditis
adequate representation
aircraft reactor experiment
all-purpose manipulator
bani thawr
be of opinion
beadier
bloom into
box chuck
call-up age
capitaines
cartographists
cast-iron gray
check bridge
chevron type dryer
clairaudience
coastal fog
contested boundary
cosedimenting
Cragganmore
date of disbursement
disposition term
double-faced pattern plate
Eldepryl
electric drift
elements of sample space
entertainment allowance or expenses
entodon macropodus
family microhylidaes
field interactions
former owner
gasworks
Geertruidenberg
give it a name
golf hole ureter
hair line finish
heavy punch
heskell
holladay
host crystal atom
hydrogen-cooled turbine generator
Ichthyophthirius multifiliis
inapplicableness
initial dip
inquisitrix
integral-furnace boiler
jaret
kornick
late transition metal
Leishmania furunculosa
light-activated switch
load operating brake
love stories
low-keier
manifestator
meted out
modulo-N arithmetic
MP (maintenance point)
Muller-Ribbing-Clement
muscle of deglutition
negative flag
non-marketable
oleotherapy
one hand clean and jerk with right arm
ootid nucleus
osteocopic
Pinnatella
plaster mull
prealpine facies
price-level
quartz Wollaston prism
radiative heat flux
railroad trains
regasification
runner boot
scirpean
second-order maximum condition
semi-circular canal
Simpson, Sir James Young
steam-reformer
stearoblast
step time
stiff-leg derrick
sychnocarpous
Tavehil
tectaria decurrens
third digit of foot
tilting vice
transient temperature distribution
transmitted wave
trimethylsilyl triflate
undecahydrate
up-and-down locks
vegetable ponge
vertical channel
Vestolan
wall-panel
Weitefeld
whole egg with sugar
Woodston
yalquitz