中间电阻,接触电阻

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(307) / 评论(0) 分类 VOA标准英语2015年(十二月)

雅思词汇:冬奥会的冰雪项目 冬天来临,北方好多地方都开启了大雪模式,和小编一起来盘点冬奥会的冰雪项目吧! 冰上项目5个大项: 速度滑冰 Speed skating 【Speed skating】 is a competitive form of i

发表于:2018-12-18 / 阅读(340) / 评论(0) 分类 雅思英语

A: Where is your dressing room? B: Right over there. Person A comes out of the dressing room B: How did you like the sweater? A: I loved it. I'll take it. B: Great. I can ring you up over here. It comes to $87.04. A: Here you go? B: Do you have a cre

发表于:2018-12-28 / 阅读(257) / 评论(0) 分类 中级-Intermediate Listening

A: Hey Jackie. What are you doing? B: Nothing much. I'm just relaxing today. Why? What's going on? A: I was thinking about heading to the mall. Do you want to go? B: Are they having a sale? A: Yeah. Both Bon and Nordstrom's is having there annual sal

发表于:2018-12-28 / 阅读(279) / 评论(0) 分类 中级-Intermediate Listening

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(358) / 评论(0) 分类 VOA标准英语2008年(九月)

SUE: I'm kind of nervous about this. JOHN: Why? SUE: What if I go off a cliff? JOHN: Don't worry about that. It's impossible. All the ski runs are carefully marked. And if there is something that migh

发表于:2019-01-09 / 阅读(375) / 评论(0) 分类 娱乐英语

Immigrants Learn Nursing Skills as They Learn English Many jobs in the United States can be outsourced, or done by workers in other countries. Much of the clothing sold in the U.S. is made in other countries, for example. One job that cannot be outso

发表于:2019-01-12 / 阅读(275) / 评论(0) 分类 2016年VOA慢速英语(八)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(285) / 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(333) / 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(313) / 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(286) / 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(352) / 评论(0) 分类 2015CRI中国国际广播电台

A: Do you drink much? B: Depending on what you consider a lot. A: How frequently do you drink? B: Couple times a week. How about you? A: Only when I go out. I'm not a big drinker. B: How much can you drink? A: I usually only have 2 beers. B: You're a

发表于:2019-01-23 / 阅读(374) / 评论(0) 分类 中级-Intermediate Listening

Oil prices on both side of the Atlantic have pushed above $50 a barrel for the first time this year as investors weigh the impact of supply disruptions and US figures showing a decline in crude inventories. 大西洋两岸的石油价格今年以来首

发表于:2019-01-31 / 阅读(285) / 评论(0) 分类 英语新闻

BEIJING, July 30 (Xinhua) -- China's railway courts are now being integrated into civilian courts as part of reforms that are intended to help build a unified judicial system. Railway courts handle criminal and civil cases concerning railway transpor

发表于:2019-02-03 / 阅读(293) / 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(316) / 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(304) / 评论(0) 分类 好听的英文歌曲

I Need You Tonight Professor Green ft.Ed Drewett (Hello?) Hello babe, what's happening, you cool? (Ah yeah you alright? What's happening?) Yeah I'm good, what's goin' on? (Yeah, nothing er chillin') Alright, what you up to later? (Oh yeah about that,

发表于:2019-02-07 / 阅读(332) / 评论(0) 分类 好听的英文歌曲

实用口语:滑雪Skiing SUE: I'm kind of nervous about this. JOHN: Why? SUE: What if I go off a cliff? JOHN: Don't worry about that. It's impossible. All the ski runs are carefully marked. And if there is something that might be dangerous, like a

发表于:2019-02-18 / 阅读(296) / 评论(0) 分类 实用英语

A: Hey Matt. I just got a job at a consulting firm. B: Congratulations. That's great! A: I'm so happy. I don't have to worry about finding a job and interviewing anymore. B: When do you start? A: I start next Monday. B: You're going to have to put in

发表于:2019-02-27 / 阅读(318) / 评论(0) 分类 中级-Intermediate Listening
学英语单词
acupuncture effect
Admor
agemates
alkylaryl sulfonate
antenna area
arbitering
arithmetic subtest
arrowhead method
artificial cover
band spreading
basinetto
beer baron
bid-offers
biograph
bubble disk path
bull pinion
bushelsful
Cadagua, R.
cancel session request
cercospora houttuyniicola
characteristic components
climatic optimum
collaborative software
computable inductor
congress tart
control-flow analysis
cuticle remover
cuttlefish-bone carving
Cyathoclisia
deficiency payments
do loop
dominant frequency
doorknock
drop pin
dump change
education social worker
exhibition competition
family tie
flowing area of mud flow
fossak
freight out and home
genus sebastodess
geosequestration
gonotrophic concordance
graphplotter
high level procedural programming language
indeterminate-term liabilities
informed
infriate
lapsus pilorum
laser scattering diagnostics
Lavalleja, Dep.de
llc type 2
marshalling
McCormick's reaper
meliola morifolia yendo
merie
Moorsom system
morbilliform eruption
muscle women
national council for educational technology (ncet)
noncoper
nonmechanistic
North Sutton
nutritional survey
optical-discs
parapet
paterish
plasticity reflex
platform pivot shaft
poison pen letter
polydispersed pollutant
port-crayon
principle of whole
progressive shrinkage
prototetrapod
public cheque
raze to the ground
reimportunate
relative components
reverse biased
roll hot stamping machine
saddle point game
sakai rug
scheduling method
Schindteriidae
screw for framework of automatic device
shelty
single pole single throw switch
Smellie's method
St-Maximin-la-Ste-Baume
stackstand
stationary sandslinger
sucess
supply wire
takes the cake
tumourlet
vesicel
viewing frustum
voltage monitoring node
vycol
will act