值比容许偏差

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(160) / 评论(0) 分类 VOA标准英语2015年(十二月)

As a child, the commentator went door to door with his mother to share the tenets of the Jehovah's Witnesses. The experience led to his belief that tolerance is the foundation of freedom and liberty Welcome to This I Believe, an NPR series presentin

发表于:2018-12-19 / 阅读(147) / 评论(0) 分类 2007年NPR美国国家公共电台

Language Points 1.Your coffee comes exactly as you like it, with the precisely right ratio of cream to sugar 2.You make all the stop lights when youre in a hurry 3.You come back from the bathroom at a restaurant and your delicious meal is already at

发表于:2018-12-26 / 阅读(144) / 评论(0) 分类 爆笑英语口语

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(283) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(312) / 评论(0) 分类 数学英语

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(214) / 评论(0) 分类 VOA标准英语2008年(九月)

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 英语小短文

Study: Head Lice Growing Resistant to Existing Treatments 研究发明治疗抗药性头虱新方法 In the United States, many children are returning to school after a nearly three-month summer break from classes. With the start of school, health of

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2015年VOA慢速英语(九)月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(192) / 评论(0) 分类 VOA标准英语2010年(五)月

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 VOA标准英语2015年(一月)

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(158) / 评论(0) 分类 2016年NPR美国国家公共电台10月

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(219) / 评论(0) 分类 2015CRI中国国际广播电台

今天我们要学的词是zero tolerance。 Zero tolerance, 零忍耐,就是绝不姑息迁就的意思。中国游泳选手欧阳鲲鹏因为药检被查出使用合成类固醇,被罚终身禁赛。 Chinese officials say it shows that a 'zero-

发表于:2019-01-25 / 阅读(154) / 评论(0) 分类 英语每日一词

今天我们要学的词是zero tolerance。 Zero tolerance, 零忍耐,就是绝不姑息迁就的意思。中国游泳选手欧阳鲲鹏因为药检被查出使用合成类固醇,被罚终身禁赛。 Chinese officials say it shows that a 'zero-

发表于:2019-01-25 / 阅读(161) / 评论(0) 分类 英语单词荟萃

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(208) / 评论(0) 分类 英语新闻

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(179) / 评论(0) 分类 2007年VOA标准英语(一月)

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(147) / 评论(0) 分类 好听的英文歌曲

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(189) / 评论(0) 分类 英闻天下

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(174) / 评论(0) 分类 托福英语
学英语单词
AC network
adjudication fee
Ammergebirge
an angel
anoplophora versteegi
arsewipes
bangster
basic capsule
beland
belma
Bonsey
bos primgenius
brazilienses
brightness of screen
coenozygospore
collateralized debt organizations
common starlings
county agricultural extension advisory council (committee)
cytotropic
deep model
differential cell count
discoursal
documentarylike
domiciliary search
Drakesboro
drop off last pilot
electromagnetic detector
emulsified pearlite
endermism
enthronization,enthronisation
facsimile baseband
feticism
grunjak
haxamitiasis
hr (hour)
I-site
imprint with
incomplete estrous cycle
interchange graph
kraft process
laser gyroscopy
lataxiena fimbriata
lema (petauristes) koshunensis
Lianthus
line tester
load string
loader for loading flat stored grain
Mahandiabani(Kankélaba)
marine piston type refrigeration compressor unit
materials off site
Mazatzal Peak
methyl-monosilane
mipimazole
movable vaporization equipment
mpfc
multicomponent virus
multungulate
n-level of resolution
normalized mean square error
Nuway
Opatow
orange milkweed
oranges sour
overinvested
p-butylcyclohexyl acetate
Parakmeria lotungensis
parallelroller
pasolini
pendant crown wire
perdu, perdue
potential antinode
power ... up
Price Rigging
programme evaluation test
pyrophotography
reciprocity effects
ribboned jasper
roquet
scissortail
sessional order
share a bed
shendship
ship's parts control center
sirred
spirometra mansonides
subject access
tea bulking
tensioning bolt
territorial planning
time-bound
torsion-spring
U spanner
ultra-lite
unauditioned
unstructured job log
Veronica arvensis
wahi
warm someone's jacket
wind angle
wretcheder
ysed