持久性病毒

Lesson 68 Persistent 纠缠不休 First listen and then answer the question. 听录音,然后回答以下问题。 Why did Elizabeth tell Nigel that she was going to the dentist? I crossed the stree

发表于:2018-11-28 / 阅读(489) / 评论(0) 分类 新概念英语第二册

SCOTT SIMON, HOST: When you talk to disease experts about what might alarm them, it's not Ebola or Zika. It's Nipah. It's as deadly as Ebola but attacks the brain, and it has the potential to spread by mere cough. As NPR's Michaeleen Doucleff reports

发表于:2018-12-17 / 阅读(218) / 评论(0) 分类 2017年NPR美国国家公共电台2月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Some people never forget a face. Others never forget a flu. Even if they were infected more than 90 years ago. A team of American scientists studied 32 p

发表于:2018-12-24 / 阅读(237) / 评论(0) 分类 Scientific American(八)月

A persistent saleswoman A: I dont have any time to spare, Jenny. B: I understand youre a busy man, Mr. Black. I just wanted to show you these samples. A: No, Im sorry. Ive told you I dont have any more time and I mean it. Im afraid youre going to hav

发表于:2018-12-25 / 阅读(239) / 评论(0) 分类 办公室英语口语

SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE

发表于:2019-01-02 / 阅读(255) / 评论(0) 分类 科技之光

From VOA Learning English, this is the Health Lifestyle report. An outbreak of a brain-destroying virus is currently happening in the Kerala state of India. The number of people who have died from Nipah is relatively small. Officials from Indias Mini

发表于:2019-01-03 / 阅读(217) / 评论(0) 分类 2018年VOA慢速英语(六)月

WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that

发表于:2019-01-07 / 阅读(247) / 评论(0) 分类 VOA2004(上)--各类新闻

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually

发表于:2019-01-08 / 阅读(217) / 评论(0) 分类 Scientific American(十)月

by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex

发表于:2019-01-09 / 阅读(261) / 评论(0) 分类 VOA2003(下)-环境与健康

CANBERRA, Sept. 6 (Xinhua) -- A rare virus that can be contracted by humans has killed a large number of Victorian pigeons after being detected in the Australian state for the first time, Agriculture Department confirmed on Tuesday. According to the

发表于:2019-01-09 / 阅读(255) / 评论(0) 分类 英语新闻

AS IT IS 2016-02-14 Olympic Athletes Concerned About Zika Virus With the outbreak of the Zika virus in Brazil, national Olympic committees are discussing whether to send their athletes to the Games. Brazil reported the first case of Zika virus in May

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2016年VOA慢速英语(二)月

Scientists Seek HIV Vaccine Using Monkey Model Traditional vaccine methods have been unsuccessful in preventing infection by HIV, the virus that causes AIDS. New techniques are being studied to boost antibodies or other parts of the immune system. Bu

发表于:2019-01-13 / 阅读(214) / 评论(0) 分类 VOA标准英语2012年(九月)

'Contagion' Tracks Deadly Virus Local outbreaks of new diseases have occurred throughout history, but in this age of global jet travel and international commerce, a deadly virus can spread rapidly worldwide. That's what happens in Contagion, a grippi

发表于:2019-01-13 / 阅读(214) / 评论(0) 分类 VOA标准英语2011年(九月)

Chinese President Xi Jinping told his U.S. counterpart, Donald Trump, in a telephone conversation late Wednesday that Beijing remains persistent on the denuclearization of the Korean Peninsula. CRI's Yu Yang has more. During the phone conversation, X

发表于:2019-01-19 / 阅读(250) / 评论(0) 分类 2017CRI中国国际广播电台

HEALTH REPORT - SARS Virus No Longer Such a Mystery By Cynthia Kirk Broadcast: Wednesday, July 27, 2005 I'm Shep O'Neal with the VOA Special English Health Report. SARS is a viral disease There is pro

发表于:2019-01-30 / 阅读(339) / 评论(0) 分类 健康与经济

By Mike O'Sullivan Los Angeles 08 March 2007 Los Angeles has hundreds of street gangs that lure inner-city youngsters into lives of crime. VOA's Mike O'Sullivan reports, the problem goes back many decades, but local officials say they are finally ma

发表于:2019-01-31 / 阅读(252) / 评论(0) 分类 2007年VOA标准英语(三月)

Nigeria's Boko Haram Remains Persistent, Mysterious Threat DAKAR The United States has formally designated the Nigerian militant sect, Boko Haram, and a splinter group, Ansaru, as foreign terrorist organizations. Boko Haram's propaganda videos have b

发表于:2019-01-31 / 阅读(198) / 评论(0) 分类 VOA常速英语2013年(十一月)

By Steve Herman New Delhi 01 January 2008 India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year, VOA cor

发表于:2019-02-12 / 阅读(284) / 评论(0) 分类 VOA标准英语2008年(一月)

Scientists Produce Gene-Edited Chickens to Stop Spread of Flu Virus British scientists are developing gene-edited chickens designed to be fully resistant to the influenza, or flu virus. Wendy Barclay is one of the leaders of the gene-editing project.

发表于:2019-02-17 / 阅读(266) / 评论(0) 分类 2019年VOA慢速英语(一)月

HOUSTON, Dec. 18 (Xinhua) -- The U.S. Coast Guard said on Tuesday that underwater inspections at the site of BP's 2010 rig explosion have failed to identify the sources of a persistent sheen on the surface of the Gulf of Mexico. Meanwhile, it said th

发表于:2019-02-18 / 阅读(230) / 评论(0) 分类 英语新闻
学英语单词
ACROPOMATIDAE
agenda item
Am Guéréda
antipodal map
aqua-ammonia absorption-type refrigerating machine
arginyl
arm stopper
armies of muhammad
at ... earliest convenience
auto-assessments
barium platinocyanide
be holed up
Birmingham platinum alloy
bladdery
blossey
brown-purpler
brucella dermatitis
burgling
by the root
campospasm
Chiliba
Chisocheton paniculatus
clearing of bills
course of pursuit
cross shafts
cultural body
curve of constant bearing
De Long Fd.
diaion
different stages
direct-relation telemeter
donor material
electric equipment for highland
electron cloud
electronic technique
endotheliofibroma
error recovery program
exocarp
family wage
farmland shelter-belt
feedback combining
fitness figure
gaards
galactical
Gaucho
hagiotherapy
high-context
high-pressure unit
HNLMS
hydraulic efficiency power packs
hydroethanolic
in blue
in sb's crosshairs
inoculation tests
inverted direct act engine
Ito formula
ivanovich
keratohyalins
ketocarboxylic acid
large pelvis
lecture notes
Lemmon, Jack
leupp
mndez
molophilus (molophilus) aricola
multiserial bands
Nozawaonsen
OCP overland common point
operation threshold
Papuda
peeke
phosphorizer
pitch-fork
plays God
product of probability
provision term
Qurmah, Ra's
rate of closed hole
receiver of bribes
reciprocating motion vertical conveyer
replacement of capital
scopulariopsosis
securing bolt
slipping ring
slumped condition
soil cartography
sonar transmission
spout mist sprayer
subreligions
suckhole
suspended acoustic ceilling
syngraph
The end crowns all.
tilting viscometer
tunnel wall correction
twin laser
two-stage image intensifier
upwell water
viellaurit
waorani
yipee
ysomned