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Injection Drug Use Helps Drive HIV/AIDS in Africa Injection drug use has long been a driving factor in the HIV/AIDS epidemic in Eastern Europe and Central Asia. But now, there are signs it's a growing problem in sub-Saharan Africa, as well. The Washi

发表于:2018-12-08 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(四月)

作文和听力,阅读一样,可以早做准备。现在流行的复习方法是从下半年复习,甚至是考试前3个月才开始复习。复习的教材无一例外的是考试虫系列的万能作文:背一二十篇作文模式,背一二

发表于:2018-12-12 / 阅读(114) / 评论(0) 分类 英语学习方法

[00:03.50]第十五部分 打针 [00:07.00]1.Is this where I come for an injection? [00:13.68]打针是在这儿吗? [00:20.35]-Yes.Can you show me your prescription, please? [00:26.08]是的,请让我看看医生的处方好吗? [00:31.82]2.Oh,penicillin.Do you know if you are

发表于:2018-12-30 / 阅读(182) / 评论(0) 分类 医疗服务英语

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? The lure of gambling clearly comes from the chance of winning. But how exciting is it to almost win? A study in the February 12th issue of the journal Neuron look

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(八)月

在中国,普通话作为官方语言的地位日益巩固。然而在英国,为什么大多数的英国人不遵循标准的发音[standard pronunciation or RP(received pronunciation)],却喜欢操着一口地方口音呢?难道英国人不认

发表于:2019-01-11 / 阅读(131) / 评论(0) 分类 实用英语

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(134) / 评论(0) 分类 VOA标准英语2016年(三月)

STEVE INSKEEP, HOST: Philadelphia is looking at a new tool to fight opioid addictions - supervised injection sites. That's where people can safely inject heroin or other opioids under medical supervision. It would be the first such site in the U.S.,

发表于:2019-01-16 / 阅读(144) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Watchful Eyes: At Peer-Run Injection Sites, Drug Users Help Each Other Stay Safe AILSA CHANG, HOST: To prevent overdose deaths, several U.S. cities are considering opening safe injection sites where users can get high under medical supervision. Offic

发表于:2019-01-17 / 阅读(175) / 评论(0) 分类 2018年NPR美国国家公共电台7月

1. The work that Tim Pons and his colleagues published last week is basic research into the portion of the brain, the cortex, that one scientist says is responsible for all the interesting things we do. 剖析:在这个长句中, 共有两个定语从

发表于:2019-01-17 / 阅读(188) / 评论(0) 分类 雅思英语

Hong Kongs first leveraged exchange traded funds have launched in a bid to tap Asian demand for structured products, even as western regulators are examining the mechanics of leveraged and other riskier forms of ETFs. 香港首批杠杆交易所交易基

发表于:2019-02-01 / 阅读(123) / 评论(0) 分类 英语新闻

Heres one way to make sure you have perfect attendance in your class: 让你把全部注意力放在课堂上只有一种方法: Meet Pietro Boselli: Obviously, hes ridiculously good-looking. 来见见我们的彼得罗博塞利:看吧看吧,他真

发表于:2019-02-06 / 阅读(140) / 评论(0) 分类 阅读空间

You know how it goes: youre trying to talk to your grandchildren, but theyre constantly checking their beeping phones. Im listening . . . they insist. Except you know only too well theyre not. At home, over dinner, you want to catch up with your husb

发表于:2019-02-07 / 阅读(183) / 评论(0) 分类 阅读空间

DAVID GREENE, HOST: The state of Arkansas has a death penalty problem. The state is rushing to execute death row inmates at an unprecedented pace this month before its supply of lethal drugs expires. The expiration date is important because it's gett

发表于:2019-02-13 / 阅读(170) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Particles can come into being and be gone again in as little as 0.000000000000000000000001 second (10-24). Even the most sluggish of unstable particles hang around for no more than 0.0000001 second (10-7). 粒子可以在短达0.000 000 000 000 000 0

发表于:2019-02-17 / 阅读(165) / 评论(0) 分类 万物简史

和同事聊天时,她突然问我:当时,他是怎么向你求婚的,浪漫吗?我一愣,随即笑了:我老公是很木讷的人呢,你说会浪漫吗?虽然这样说,我心里却泛起甜丝丝的感觉来。他确实从来不浪漫,他的求婚没有

发表于:2019-02-18 / 阅读(154) / 评论(0) 分类 英语美文

Over the last 13 years, investors have experienced some of the largest financial bubbles in history. Asian currencies rose and fell, technology and Internet shares suffered staggering losses, oil and other commodities rode a wild roller coaster, and

发表于:2019-02-18 / 阅读(120) / 评论(0) 分类 阅读空间

一. 上升增长1.add up to 增加了eg. The total amount of added up to 14 billion pounds(14%) in 1994. 2. to jump to / to soar to 一跃达到/ 猛增到 eg. The total working days lost soared to 10 million in 1979. 3.an increase of ab

发表于:2019-02-18 / 阅读(183) / 评论(0) 分类 四六级写作指导

Law of Supply Demand: This is the founding block of economics. Whenever supply of something increases its price decreases and whenever supply decreases price increases. Thus, when you have excess production of corn, food prices decrease and vice vers

发表于:2019-02-25 / 阅读(144) / 评论(0) 分类 英文语法词汇
学英语单词
absolute hemianopsia
accession/report number
aceta
aglance
Amuzgo
anaprotin
applicability statement 1
arsenic sulfide
balance of international payments/ balance of payment
boeide
bornholmerstrasse
bradye
brandtail
carcinogenic radiation dose
cement-aggregate ratio
come with the territory
connect time
cuckooland
defect of form
dried apricots
driving fault
electronic auxiliary convertor
euchymia
fisher's z-transformation
footedness
foreknowing
fowl diphtheria virus
free-running period
gal check
gammagram
gladsheim
go in one ear and out of the other
Grinling Gibbons
half truth
hatley
hoist control valve adapter
Honest truth
honor bound
hymenean
hypochord
hyponeural system
ible
incendiary grenade
interarytenoid cartilage
Kovdozero
like a demon
magnetic recording material
microscope for multi-viewing
military ruggedized tube
monofilaments
multi modal transport
nitzschia cursoria
No. of active coils
nonmonetary asset
Normanby Island
orientability of a sound signal
Paschal.
passive congestion of lungs
play therapist
pleximetric percussion
polysilane
Popian
procomp
production turnaround
prokeyvit
psychology of mediation
purifying effect
put somebody on the spot
pyrogenic adhesive
Raikot
remaindership
rengo-geiko
reticulol
reversible relation
rood beam
roubschite
salad onions
Shil'naya Balka
siderose
single-degree-of-freedom gyroscope
small ship attack sonar
somatomotor column
SPCL
spleenlike
spun-bonded fabric
steam-brake
strain section
submarine bulge
sup-plemented
tark
Tenebrionidae
tetragraph
the female sex
three-dimensional tree
thrillion
trithemius
twin-horn set
underfit stream
velvet ant
warm runner plate
wide-angle spectroradiometer
wroughtsteel