绝灭率

Passage 48 Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for in

发表于:2018-11-30 / 阅读(106) / 评论(0) 分类 英语专业四级听写

What is Your Recovery Rate ? By Graham Harris What is your recovery rate? How long does it take you to recover from actions and behaviors that upset you? Minutes? Hours? Days? Weeks? The longer it takes you to recover, the more influence that inciden

发表于:2018-11-30 / 阅读(151) / 评论(0) 分类 王强英语美文

[00:01.01]Recently, there was another threat [00:03.02]when the tanker Jessica ran aground [00:04.83]near the islands. [00:06.48]It is believed to have leaked almost [00:08.32]a million litres of oil into the sea. [00:11.75]At first, it was feared th

发表于:2018-12-13 / 阅读(121) / 评论(0) 分类 北师大版高中英语模块7(选修)

The Federal Reserve, the U.S. central bank, on Wednesday cut short-term interest rates in an effort to boost the slowing economy. VOA's Barry Wood reports it was the eighth cut in the overnight federal funds rate in the past year. United States Fede

发表于:2018-12-16 / 阅读(82) / 评论(0) 分类 VOA标准英语2008年(十月)

Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for instance. In 1

发表于:2018-12-18 / 阅读(101) / 评论(0) 分类 英语专业四级听力50篇

Unit 43 What Caused the K-T Mass Extinction? The latter part of the Cretaceous Period was a time of continental drift and accompanying volcanic activity. The supercontinent was splitting up and the continents were taking on their modern-day forms. Ma

发表于:2018-12-30 / 阅读(48) / 评论(0) 分类 英语流行话题阅读:语境识词4500

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(68) / 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(145) / 评论(0) 分类 六分钟英语

By Alisha Ryu Nyeri, Kenya 22 May 2006 Jack Githae, herbal doctor, is standing next to a young MUIRI tree at his clinic in Nyeri, Kenya For thousands of years, people living around Mount Kenya in the

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 2006年VOA标准英语(五月)

By Al Pessin Pentagon 29 May 2008 The U.S. Army reported Thursday that the suicide rate among its soldiers continued to rise last year, and is now nearly double the rate recorded before the invasion of Iraq. But they say last year's increase was not

发表于:2019-01-11 / 阅读(92) / 评论(0) 分类 VOA标准英语2008年(五月)

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(107) / 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(72) / 评论(0) 分类 VOA标准英语2009年(六月)

Humans Driving Massive Animal Extinction Earth is in the midst of its sixth mass extinction of animal species -- the first to be caused by humans -- in the past half-billion years, setting off a downward spiral in the environment and human health, wh

发表于:2019-01-14 / 阅读(46) / 评论(0) 分类 VOA标准英语2014年(七月)

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(118) / 评论(0) 分类 2018CRI中国国际广播电台

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(72) / 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(141) / 评论(0) 分类 Facts-事实

abandon vt.放弃, 遗弃 (90-6, 91-6,92-1,93-1,95-1, 95-6,98-6,99-6,02-6,05-1,06-12,07-6) After driving many of the animals around them to near extinction, people were forced to abandon their old way of life for a radically

发表于:2019-02-09 / 阅读(110) / 评论(0) 分类 大学四六级阅读

The People's Bank of China's governor Zhou Xiaochuan says the Renminbi won't be actively depreciated to regain national competitiveness. Zhou was speaking during a recent International Monetary Conference in Shanghai, when he also suggested that now

发表于:2019-02-14 / 阅读(157) / 评论(0) 分类 世界各地新闻集锦

[00:00.00]What's the interest rate for the savings account? [00:01.93]储蓄存款的利率是多少? [00:03.85]Interest is calculated at the rate of 0.8% per annum at present. [00:06.61]目前每年的利率是按0.8%计算的。 [00:09.36]Y

发表于:2019-02-17 / 阅读(113) / 评论(0) 分类 英语杂谈

WASHINGTON, Sept. 16 (Xinhua) -- U.S. poverty(贫困) rate climbed to 14.3 percent in 2009, the highest level since 1994, as households' incomes were squeezed by the deepest recession(衰退) since the 1930s and high unemployment(失业率 )

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 英语新闻
学英语单词
Androsace pomeiensis
angle gear
antisubmarine torpedo
ash ultramarine
axe-heads
axial internal clearance
Bisbutiamine
blashy
broaken-back curve
carbon step tablet
carnicas
Champlainian
chondroepiphysis
christoforous
contact junction
Cook's tour
crash locator beacon
de finetti's theorem
debut
deflection of main journal
dianhydrides
diffuse alveolar damage syndrome
distribution feedback (dfb)
drunkhead
dsos
ecopsychologist
enloe
entropy effect
equilibratory sensation
erioclada
erosional valley
exarillate
extract wool
eyeball protector
false dogwood
Feuchtwangen
gauged instrument
gnophomyia (gonomyia) foliacea
gravel aggregate
group very quick light
guide point
Gunbar
hallandren
have butterflies in ... stomach
hot spot microcell
IMXB
inelastic removal cross section
intentional concealment
intercharacter adjustment
intraoral pocket
irreducible projective k variety
judgment summons
Kalewala
keyway slotting
konquerors
kyroscopy
M-component
magnetofluid dynamics (mfd)
Mann.
manumissio censu
maximum experimental safe gap
mercury cell
metal-insulator-metal diode(mim diode)
metaphysical poets
motor vehicles in use
moving magnet type instrument
nongivers
not care a tinker's cuss
NWEB
oceanographic catching
omoclavicular
open frames
papilliferous cystoma
prick off
push-up
radio telescopes
recherchest
run-past
slug-rupture products
SMFS
solid-solid reaction
sound sheet
soundwave
staff member beneficiary
subsurface illuminator
sudden applied load
support colume
swordsmen
three-point perspective
trophic interrelation
Tunica conjunctiva palpebralis
turbulent wind
U curve
undamped waves
unrecorded liabilities
unsecond
varenius
Vernonia sylvatica
vogelmann
wiglet
wipe out an account
world tree