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在美国黄石国家公园,曾经栖息着土生土长的狼群,直到有一天,狩猎者将它们驱逐殆尽。然而到了 1995 年,(由于一个激进的管理项目)狼群开始重新回归,一些有趣的现象出现了:黄石国

发表于:2018-12-09 / 阅读(158) / 评论(0) 分类 TED公开课:生态谜云

新编英语教程第五册unit03_2_beginning_of_the_end_for_antibiot

发表于:2018-12-11 / 阅读(55) / 评论(0) 分类 新编大学英语阅读部分

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 Scientific American(五)月

1. Federal agents expect to be at this Detroit-area horse farm for several weeks to search for clues to Jimmy Hoffa's disappearance. The former Teamsters leader vanished in 1975. 2. The general tap pe

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 美联社新闻一分钟2006

By Amberin Zaman Nicosia 27 January 2006 Turkish Cypriot community leader Mehmet Ali Talat says the European Union can and must play a major role in pushing for a settlement to re-unite the Greek and

发表于:2019-01-13 / 阅读(84) / 评论(0) 分类 2006年VOA标准英语(一月)

By Anjana Pasricha New Delhi 07 January 2007 Bangladeshi Riot Police baton charge as protestors throw bricks during a protest in Dhaka, Bangladesh, 7 Jan 2007 At least 50 people were injured when security forces clashed with protestors in Bangladesh

发表于:2019-01-31 / 阅读(79) / 评论(0) 分类 2007年VOA标准英语(一月)
学英语单词
advance business
anti-Jacobin
bakka
BOSTRYCHIDAE
Bouse Wash
cane type shift
carbon residue coking bulb
celadon
ceramic semiconductor device
CIAC
coles
complete contract
conotoxin
constant entropy compression
corporate development
craals
ctenophoran
cyclophiops major
delignated
delta-wing aircraft
desequencing
differential transformer transducer
dissundering
down-currents
droste
electromobile
erected
exploritation theory of taxation
flexor pollicis brevis
fode
forecast windstorm with doppler radar
front-wheel retainer
give sb a step
grain spreading
Green Monday
ground-contour-following device
Hakmana
handling facility
hatch moulding
hearin
Hemostasin
herderian
heterocodon
heterotopical deposits
immunogenesis
in-line direction
induce sb to do
intake dam
IPng
khawad
l'antiquite
lacustrine ecosystem
level with
linen paper
marine aquaculture pollution
Martin V
masseu
medial bicipital groove
mogannam
mouling
mus indutus
mycoestrogens
Nanophyton
non-graphical data
nuclear reactor technology
on target earnings
oval knot
parboiled
periglossitis
polyvinyl ethyl ether
praecocial
primary factor of production
pteris tokioi masam.
random number table
Santa Croce, C.
sawamatsu
scanning speed control
schieffelin
scombron(e)
selection matrix
Seymour R.
shereen
shield bug
simple urethritis
speech signal
spheterize
staff-developments
steep descent algorithm
take the opportunity
thromboplastin correction test
timeclock
torus maxillaris
tryptamine
uniform lightness-chromaticness scale
Untersteinbach an der Haide
VDT (video data terminal)
volatile halide
walk way
ways-out
wondertale
world health organizations