两向洄游, 两栖洄游

The waterfall at the Venta River in Latvia. It is here, near the town of Kuldiga, once a year fish can be seen jumping into the air trying to climb over a waterfall in an attempt to reach the upper course of the river, their favorite place for spawni

发表于:2018-12-02 / 阅读(161) / 评论(0) 分类 万花筒2010年

By Gary Thomas London 31 August 2006 When the European Union expanded in 2004, it opened up a wave of migration from Eastern Europe to more affluent countries of Western Europe, particularly Britain. New figures show that legal immigration from East

发表于:2018-12-07 / 阅读(178) / 评论(0) 分类 2006年VOA标准英语(八月)

Britain Faces Migration Dilemma as it Looks to Commonwealth for Post-Brexit Trade LONDON Britain has indicated that is will seek a so-called hard exit from the European Union, likely to include leaving the Single Market, the worlds largest free trade

发表于:2018-12-08 / 阅读(138) / 评论(0) 分类 VOA标准英语2017年(一月)

They say people turn to faith in tough times, understandable, but tonight we have the results of a major new survey on religion in America. When it comes to the fastest growing tradition in this country, the numbers here might surprise you. NBC's Ann

发表于:2018-12-11 / 阅读(96) / 评论(0) 分类 万花筒2009年

新编英语教程第五册unit05_1_migration

发表于:2018-12-11 / 阅读(118) / 评论(0) 分类 新编大学英语阅读部分

DEVELOPMENT REPORT - International Migration Reduces Poverty, but at a Price By Jill Moss Broadcast: Monday, October 31, 2005 I'm Steve Emberwith the VOA Special English Development Report. A new Worl

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(三)月

These 60 paintings tell about the movement of African-Americans in the first half of the 20th century. Transcript of radio broadcast: 06 July 2008 VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barb

发表于:2019-01-11 / 阅读(141) / 评论(0) 分类 VOA慢速英语2008年(七)月

This is the VOA Special English Agriculture Report. About eight hundred million people in Africa, Asia and South America eat cassava. The plant is a major source of food energy and a major food security crop. It can survive in poor soil and without m

发表于:2019-01-11 / 阅读(118) / 评论(0) 分类 2010年VOA慢速英语(六)月

By Nico Colombant Dakar 01 December 2006 Victims of African migration are not only young people who go on reckless trips trying to get to Europe. They also include those affected by economic migration within the continent. Among these are wives left

发表于:2019-01-12 / 阅读(184) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Nico Colombant Dakar 27 November 2006 Even as officials recently discussed ideas to prevent growing illegal migration from Africa to the shores of Europe, African mothers who lost their sons at sea were busy trying to help their communities. Many

发表于:2019-01-12 / 阅读(177) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Melinda Smith Washington, D.C. 21 March 2007 watch Tuberculosis US report Beginning around 1995, the United States experienced a steady decline in the rate of tuberculosis. But in the last three years, health experts have noticed something distur

发表于:2019-01-13 / 阅读(222) / 评论(0) 分类 2007年VOA标准英语(三月)

Third Great Migration Might be in Progress In the early 20th Century, more than two million African-Americans left their homes and small farms in the South and moved to northern industrial cities to escape overt racism and search for better work and

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 VOA标准英语2011年(七月)

India Seeks to Counter Possible Backlash onMigration of High-Tech Jobs Anjana Pasricha India is asking Asian countries to resist a potential backlash in developed nations as Western companies move tec

发表于:2019-01-31 / 阅读(203) / 评论(0) 分类 VOA2004(上)--各类新闻

By Jessica Berman Washington 06 February 2008 Researchers say measles, which has been successfully controlled in most countries thanks to vaccination, remains a killer disease in Niger, in part because of migration triggered by the rainy season. VOA'

发表于:2019-02-02 / 阅读(112) / 评论(0) 分类 VOA常速英语2008年(二月)

By Scott Bobb Johannesburg 08 November 2007 The European Union has announced a plan to admit 20-million skilled workers during the next 20 years in order to meet projected labor shortages. The proposal has drawn protests from leaders in developing na

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Margaret Besheer Washington 05 November 2007 Criminals around the world are using the Internet to steal money from people in developing countries who dream about migrating to the United States and other Western countries. Posing as penpals or love

发表于:2019-02-05 / 阅读(133) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Nancy Palus Dakar 20 March 2008 The effects of climate change are increasingly driving people in sub-Saharan Africa to migrate in search of better living conditions, according to experts who gathered this week in the Senegalese capital, Dakar. Nan

发表于:2019-02-06 / 阅读(122) / 评论(0) 分类 VOA标准英语2008年(三月)

By Lisa Schlein Geneva 11 August 2007 The government of Niger and the International Organization for Migration have launched an information campaign aimed at raising awareness of the dangers of irregular migration in order to better prevent it. The c

发表于:2019-02-08 / 阅读(172) / 评论(0) 分类 2007年VOA标准英语(八月)

STEVE INSKEEP, HOST: World leaders meet in Morocco this week and vote on a United Nations' global migration compact. It is supposed to make migration more orderly and more humane. Joanna Kakissis reports that many Europeans are not enthused. JOANNA K

发表于:2019-02-21 / 阅读(148) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
Alconera
Argead Dynasty
Ascaridia galli
be dictated by
bead and neck movement center
beef loin
bilinda
bim
blue racer
Bosporus
braked conventional landing
bristled with
British Productivity Countil
candlepowers
cesanite
concentrated CaCl-2 solution receiver
conditionally exempt
congruous
content of polynomial
cordings
count wheel striking mechanism
dehydrating breather
deleterious impurity
dipmean
dipole momentum
distributed air conditioner
double exposure interferometry
double room
e.d.
ecchordosis physaliphora
elctrical power system
end of file indicator
energy slope
evdo
Fadiman, Clifton
frederique
Gibbs energy
gigantopithecus
glass bull's eye
gorgonize
guest list
hand dressing
hardware monitoring
has no concern with
Hatillo
heat-retaining mass
hereditary ectodemal polydysplasis
hydroptysis
I want to do something
illuminated court
incompleteness of formal system
infigured
influxible
informativeness
initial set rudder angle
intergenerational equity
Isalist
isonodososide
isostatic warping
kahweol
Kakatoe leadbeateri
Kibingo, Mt.
Kummell's point
Kurtalan
liabilities to capital ratio
line of striction
lipoxin
low-velocity scanning
make choice of
Makina, Tg.
Nagano Osami
neuvitan
no-man control
omoo
order ganoideis
outside clearance ratio
outspokenly
pensement
pigass
pkospholipin
placorhombus ziveriae
prepster
pteris wallichiana ag.
Qaylī, Jab.
random time
rouz
rumpy-pumpy
scintiscans
Sendoxan
share capital receivable
side tipping dump car
single link procedure (slp)
Stachybotrys atra
stopper gudgeon
system catching
telephone recording statement
terrestrial object
thumb-pot
trevets
undersoil
waaa
withdrawer