[电] 天线有效电阻

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(204) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(248) / 评论(0) 分类 疯狂英语2001年

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(133) / 评论(0) 分类 VOA标准英语2015年(十二月)

By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos

发表于:2018-12-16 / 阅读(173) / 评论(0) 分类 2007年VOA标准英语(八月)

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(142) / 评论(0) 分类 VOA标准英语2010年(三月)

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

发表于:2019-01-02 / 阅读(175) / 评论(0) 分类 简单慢速英语阅读

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 原版英语小短文

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(185) / 评论(0) 分类 VOA标准英语2008年(九月)

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(146) / 评论(0) 分类 VOA标准英语2008年(五月)

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(123) / 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(165) / 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(155) / 评论(0) 分类 VOA标准英语2015年(一月)

GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(120) / 评论(0) 分类 2017年NPR美国国家公共电台5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(140) / 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(198) / 评论(0) 分类 2015CRI中国国际广播电台

(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad

发表于:2019-01-20 / 阅读(169) / 评论(0) 分类 2017年Scientific American(三)月

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(154) / 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(127) / 评论(0) 分类 好听的英文歌曲

The Giants SecretLong ago there was a king who had a very brave son. One day the son told his father, Father, I am going to roam the world in search of adventures.The king did not want to grant his son permission to do so, but the prince insisted so

发表于:2019-02-08 / 阅读(174) / 评论(0) 分类 英美文化

方法: 如果有两个空格,有一个空格我们拿不准,另外一个空格我们可以判断出哪个选项里的答案具有相对优势,但是与这个具有相对优势答案搭档的另一个词却是我们不怎么看好的,或者是说

发表于:2019-02-17 / 阅读(112) / 评论(0) 分类 GRE英语
学英语单词
acknowledge of orders
Akauktaung
amount of divergence
amphophiles
anchor chain shackle
annual assay
apoposeidon
ASAIO
automatic gear cutting machine
automotor-generator
baldertons
barru
bet one's hat
briault
canalized development
centigrade temperature scale
circuit, short
cldy.
climactery
computer-assisted verification
crab rock loader
Dan-Gulbi
demand sb of sth
difference spiral
diffuse peak
Disporum shimadae
doctorate degree
ecsoft
epipleurite
equivalent nucleus
ethylene tetrabromide
fabricated textile
finite-difference method
flagitiosity
flowchart schema
Guadalajara, Prov.de
halogenated hydrocarbon local panel
Hertzian waves
high speed counting
high-altitude strike indicator
hipless
hydroxycobalamin
Ikha
illuminating lamp
in metric
inner electrolyte
inter centra
intestinal reflex
Lie's sphere geometry
ligg. carpometacarpica volaria
long period estrus
low pressure pulse-ultraviolet treatment unit
low-mass x-ray binary
make a noise about sth
mastigont
Maxwellisation
median saddle
migdal gad (ashqelon)
multiple directory
nodular hyperplasia
nonpeaceful
oligogene
ordinary representation
PA-94
pacific-asian
pan bread
paper-solvent equilibrium
pass box
pen-
peril of the sea
photofiles
polystichocitrin
pretrematic artery
process parallel management
proteinchip
ravage by insect
register transfer simulation
right bundle-branch block
rotary magnetic amplifier
scintillation well counter
sete
sheerman
shofar
shoved around
sijus
simple random sample
sms text
sodium metatitantate
sound hole, sound-hole
spontaneous combustible substance
stage lashing
superorder Acanthopterygii
sygle
tank cylindrical
turbulent spot
unsolicitedly
valuation of insurable interest
Vesica biliaris
Virgin Gorda
well-waiting
welwitschiaceaes
widow-lady