时间:2019-01-22 作者:英语课 分类:健康与环境


英语课

ENVIRONMENT REPORT

July 12, 2002: Elk 1 Disease


By Mario Ritter



This is the VOA Special English ENVIRONMENT REPORT.


A mysterious disease is killing 2 animals in one of America’s most popular natural areas. The animals are large
deer called elk.


Elk once lived in most areas of the United States. But hunters killed so many of them that they survived only in
the western states. Some elk have been brought back to other areas of the country. Wildlife officials recently
decided 3 to re -establish elk populations in the eastern part of the country. In the past two years, they have brought
two groups of elk from Canada to an area in the state of North Carolina. The National Park Service released the
elk in the Great Smoky Mountains National Park.


Now, three of the elk have died mysteriously. Some biologists fear that the elk may
have died from chronic 4 wasting disease. Biologists say there were no signs of
infection in the elk until they became weak and died. Some biologists say the
disease cannot be observed except in a dead animal.


It is not known if the disease can spread to cattle or other farm animals. However,
chronic wasting disease is linked with mad cow disease, or bovine 5 spongiform
encephalopathy. Wildlife experts say the only way to stop the disease from
spreading is to kill thousands of elk.


The elk in North Carolina first came from a protected area in Alberta, Canada. A total of about fifty elk were
released into the Cataloochee area of the Great Smoky Mountains National Park. Everything seemed to be going
well until a park biologist found three dead female elk. Two of the animals were pregnant 6. The animals appeared
to have been starved. The National Park Service reported the deaths in late April. Now, state biologists have
banned transporting elk into and out of the area.


Concern over diseases affecting wild animals like elk has increased recently in the United States. The state of
Wisconsin announced a plan to destroy fifteen-thousand deer. Officials in Wisconsin fear that some deer in the
state may carry chronic wasting disease.


The disease was first found in the western state of Colorado in the nineteen-sixties. Since then, it has been found
in deer and elk populations in several states.


Some national park biologists do not believe that chronic wasting disease killed the elk in North Carolina. They
hope that studies of the dead animals will soon show that they are right.


This VOA Special English ENVIRONMENT REPORT was written by Mario Ritter.



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n.麋鹿
  • I was close enough to the elk to hear its labored breathing.我离那头麋鹿非常近,能听见它吃力的呼吸声。
  • The refuge contains the largest wintering population of elk in the world.这座庇护所有着世界上数量最大的冬季麋鹿群。
n.巨额利润;突然赚大钱,发大财
  • Investors are set to make a killing from the sell-off.投资者准备清仓以便大赚一笔。
  • Last week my brother made a killing on Wall Street.上个周我兄弟在华尔街赚了一大笔。
adj.决定了的,坚决的;明显的,明确的
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
adj.(疾病)长期未愈的,慢性的;极坏的
  • Famine differs from chronic malnutrition.饥荒不同于慢性营养不良。
  • Chronic poisoning may lead to death from inanition.慢性中毒也可能由虚弱导致死亡。
adj.牛的;n.牛
  • He threw off his pack and went into the rush-grass andand munching,like some bovine creature.他丢开包袱,爬到灯心草丛里,像牛似的大咬大嚼起来。
  • He was a gentle,rather bovine man.他是一位文雅而反应迟钝的人。
adj.怀孕的,怀胎的
  • She is a pregnant woman.她是一名孕妇。
  • She is pregnant with her first child.她怀了第一胎。
学英语单词
Abronia fragrans
alveol-
antisubmarine work
asbestos cement plate
asher
Banggai, Pulau
bank.handedly
batchy
Benjamin Harrison
board over
cantilupes
cap screw
casus irreducibility
cathode coupled stage
christmas decoration
corkeron
current savings
defective symptom
desktop videos
dimerium clemensiae
domed vault
dry goods
electronic blood pressure and heart rate monitor
elk nuts
enanthol
euge
every dark cloud has a silver lining
extraembryonic capillary network
fadings
fence plate
freeze seal
genomorph
go by sth
god be my witness
gravid emphysema
Great Britain
hamulus ossis hamati
haptotropism
Herter-Heubner disease
in the stress of the moment
indehiscant
intercalation compounds
intrapping
jurying
lateral cutaneous vein
lefkada (levkas)
light-bluest
liquor iodi compositus
lywn
Metaskin-LD
mimetene
mixed feeder
model teacher
moeran
molecular integral
monochlorodifluoromethane
mordant dyeing
nasebies
neontological
Neoproterozoic Erathem
network management oriented transaction
next page
nonderivatized
octave filter set
Ogrodzieniec
oncredit
ornature
Os cuneiforme intermedium
p-carboxy phenylarsonic acid
petroleum and its derivative dermatoses
pier with approach trestle,pier with approach bridge
potpies
pull-in step
punch weight
reflector plane
related crossing
repressive law
resistance to slag erosion
rhizoma(rhizome)
Robinson,Sir Robert
selenopids
sex cord
soil heat convection
space communication and tracking
supermouse
sweanor
tageblatts
tellurhydric acid
three-phase region
transverse palatine folds
trap control setting
Turbo-Pascal
unfunded liabilities
Uvinskiy Rayon
V-chip
velskoen
wagon weighing machine
water pan bracket
Weir pump
Whitley
wire rope steering gear
world coordinates