族群成长曲线

Lesson 9 Is It a Good Idea to Control Population Growth in the World? Text What Overpopulation Feels Like We moved slowly through the city in a taxi and entered a crowded slum district. The temperatur

发表于:2018-11-27 / 阅读(184) / 评论(0) 分类 高级口语教程

The U.S. population is increasing at nearly one percent a year, making the United States the world's fastest growing industrial nation. 美国人口正以每年将近1%的速度增长,这使美国成为世界人口增长最快的工业化国家。

发表于:2018-12-02 / 阅读(96) / 评论(0) 分类 VOA双语新闻 Bilingual News

EXPLORATIONS -January 30, 2002: Population and the Environment By Cynthia Kirk VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Tod

发表于:2018-12-07 / 阅读(92) / 评论(0) 分类 Explorations

Women Bear Brunt of Population Growth The global population is expected to rise to nine billion by 2050. Most of that growth will be in developing countries. However, many are asking whether such growth is sustainable, considering the amount of resou

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 VOA标准英语2013年(六月)

MARY LOUISE KELLY, HOST: The government's latest report on GDP, the gross domestic product, shows the economy expanding at a lackluster 2 percent in the first quarter, but estimates for the second quarter are much higher. And that has the Trump admin

发表于:2018-12-18 / 阅读(81) / 评论(0) 分类 2018年NPR美国国家公共电台7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(114) / 评论(0) 分类 英语专业四级听力50篇

DEVELOPMENT REPORT – December 16, 2002: UN Population Study By Jill Moss Broadcast: December 16, 2002 This is the VOA Special English Development Report. The United Nations Population Fund has relea

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 农业与发展

By Jerilyn Watson Broadcast: September 11, 2003 This is Steve Ember with the VOA Special English Education Report. About one-in-four people age three and older in the United States is a student. The g

发表于:2019-01-02 / 阅读(69) / 评论(0) 分类 VOA2003(下)-教育与新闻

By Michael Bowman Washington 07 March 2006 view Global Population report By 2050, world population is projected to reach nine billion people. That would constitute a 38 percent jump from today's popul

发表于:2019-01-06 / 阅读(156) / 评论(0) 分类 2006年VOA标准英语(三月)

By Mike O'Sullivan Los Angeles 08 March 2006 watch US Population report Census officials say the U.S. population will reach 300 million in October, and that the 300th million American may well be a La

发表于:2019-01-07 / 阅读(171) / 评论(0) 分类 2006年VOA标准英语(三月)

By Lisa McAdams Moscow 08 March 2006 No country faces as severe a population decline as Russia. Disease, accidental death, and a decline in healthy newborns are to blame. In fact, deaths in Russia out

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 2006年VOA标准英语(三月)

By Ernest Leong Washington, D.C. 21 August 2006 watch Population report The Population Reference Bureau (P.R.B.) released its annual data sheet on global population growth. The report had some interesting findings. Experts in world population growth

发表于:2019-01-13 / 阅读(164) / 评论(0) 分类 2006年VOA标准英语(八月)

By Lisa Schlein Geneva 27 June 2007 The United Nations warns that a doubling of urban populations in Africa and Asia by 2030 will have harmful consequences if governments do not prepare now for the coming growth. In this year's State of World Populat

发表于:2019-01-13 / 阅读(107) / 评论(0) 分类 2007年VOA标准英语(六月)

There is a consensus among the delegates and world leaders attending the climate change conference in Copenhagen on the need to cut greenhouse gas emissions and shift to cleaner/more efficient energy. But a research center in Britain is espousing a d

发表于:2019-01-13 / 阅读(71) / 评论(0) 分类 VOA标准英语2009年(十二月)

2004 marks the 10th anniversary of the groundbreaking International Conference on Population and Development (ICPD) in Cairo, Egypt, in 1994. Ten years ago, on the eve of World Population Day, a new campaign was launched to raise awareness of how int

发表于:2019-02-03 / 阅读(105) / 评论(0) 分类 阅读空间

BEIJING, Mar. 18 (Xinhuanet) -- Urbanization will be a major feature of China's economic growth and continue to gain momentum, Liu He, Party chief of the Development Research Center of the State Council, said on Saturday. At the China Development For

发表于:2019-02-06 / 阅读(88) / 评论(0) 分类 英语新闻

奥地利的人口超过8.5亿 VIENNA, Feb. 19 (Xinhua) -- The Austrian population was over 8.5 million at the beginning of 2014, marking consistent steady growth. The Statistik Austria figures released Wednesday show an increase of 52,990 people ove

发表于:2019-02-08 / 阅读(72) / 评论(0) 分类 英语新闻

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(103) / 评论(0) 分类 实用英语

Latest figures show, the number of people in their working-age decreased by over 3 million in 2012, accounting for some 69 percent of China's total population. Ma Jiantang, director of State Statistical Bureau, warns this is a serious issue. It is th

发表于:2019-02-21 / 阅读(70) / 评论(0) 分类 英闻天下

Population Growth The growth of population during the past few centuries is no proof that population will continue to grow straight upward toward infinity and doom. On the contrary, demographic history offers evidence that population growth has not b

发表于:2019-02-25 / 阅读(80) / 评论(0) 分类 双语有声阅读
学英语单词
Agios Kirykos
all right reserved
annual cropcycle
annual meadowgrass
awnless bromegrass
Ayvalipinar
belead
biduotertian
biohumoral
bleeding of waste liquor
bulk raising machine
cake shampoo
companed
continuous fuel injection
copper base firction material
corrugated plate-type heat exchangers
cosopt
crankweb
curvify
customers' account discounted
diffusing globe
dithane Z-78
dog-bane
doorman
Doyne's familial honeycombed choroiditis
dressing conveyor
el fasher (al fashir)
exorbitant expenditure
explanation of
family living expenses
fluoropyrimidines
fruit picker
garden feature maintenance
Gaudreault, L.
Gaussian mapping
gelatinous marrow
genus mammeas
geometrical magnitude
gnome
hammer something into someone's head
heat-seals
heptode
hierarchic
hock a tchainik
Hoesch synthesis
HYPOCOLIIDAE
immensenesses
inhomogeneous linear difference equation
inorb
integrating accelerometer
intercharge
interrupt flip-flop
isoenergetic acceleration
kneissl
Kotikovo
La Cygne
ladle mixing
leucyl-beta-naphthylamidase
loudness index
Magnuson splint
major earthquake
metatectoid
molybdenum orange
mutual admission
new industry ceramics
niao kuan
noeltes
non-metric theories
over produce
p.l.a.y
pharyngopathia
pkospholipin
planter lever
plough on
plum smugglers
pseudo-parameter
Ptyalon
Quinquaud's sign
re-occupied
recorded
Rheriss
rip currents
satyr play
scanning accuracy
scouring stand
social-contextual
sodium borohyride
spark-explosion method
surface-to-air gunsight
take it for a spin
Talgar
temperature equilibrium
thermal inactivation temperature
Truncus lumbosacralis
twisk
uORF
WB-CDMA
wedgetarian
westernais
widening angle
wingnutosphere
Zoysia tenuifolia