抗蚀层

CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs

发表于:2018-12-01 / 阅读(560) / 评论(0) 分类 上海牛津初中英语九年级

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(207) / 评论(0) 分类 听一分钟英文-O

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(259) / 评论(0) 分类 英语课程学习计划和讲义

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(180) / 评论(0) 分类 VOA常速英语2008年(二月)

美语中,一些感叹词的意义跟字典上的解释不尽相同,要在日常生活中才能体会到。让我们看看以下几个例子: Oh的字典意义是嗬;哦;哎呀,表示惊讶、的恐惧等。但将这个词连起来用,却

发表于:2019-01-09 / 阅读(192) / 评论(0) 分类 实用英语

By Zulima Palacio Washington 15 March 2007 watch Artemisinin and Malaria Artemisia plant Artemisia plants grow in many parts of the world, and many varieties have long been known to have medicinal properties. One particular variety, Artemisia annua

发表于:2019-01-11 / 阅读(200) / 评论(0) 分类 2007年VOA标准英语(三月)

By Jessica Berman Washington 24 December 2006 A new study by the World Health Organization has found drug-resistant tuberculosis in virtually all of the 79 countries the organization surveyed around the world, with particularly high levels in countr

发表于:2019-01-12 / 阅读(229) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Paul Sisco Washington 23 March 2007 U.S. scientists in the United States say they have moved a step closer toward success in the fight against malaria, by developing mosquitoes that are resistant to at least one form of the deadly illness. More o

发表于:2019-01-13 / 阅读(222) / 评论(0) 分类 2007年VOA标准英语(三月)

Drug-Resistant Malaria Threatens Effort to Control Disease The biggest fear is the resistance will spread across Southeast Asia and then spill over into Africa, where the vast majority of the 700,000 deaths a year [from malaria] occur. Historically,

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 VOA标准英语2012年(四月)

MSF: Alarming Scope of Drug-Resistant TB A medical aid group says the spread of multi-drug-resistant tuberculosis is much greater than previously thought. Doctors Without Borders calls the situation alarming. MDR-TB is a form of tuberculosis that doe

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2012年(三月)

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(191) / 评论(0) 分类 VOA标准英语2009年(三月)

Drug-Resistant TB Threatens Europe The Olallo Project in Central London was set up to help homeless people from Central and Eastern Europe get back on their feet by helping them find a place to live and get a job. The charity has evolved, though, to

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2013年(三月)

Drug-Resistant TB is Global Threat 耐药性肺结核对全球造成了威胁 The medical aid group -- Doctors without Borders -- warns that drug-resistant tuberculosis has become a global threat. It says despite the growing number of cases, there ar

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2014年(三月)

Bacteria Can Be Resistant to Brand-New Antibiotics 谁在对抗最新的抗生素 Perhaps the chief poster child of antibiotic resistance is methicillin-resistant Staphylococcus aureus, or MRSA. The bacterium is impervious to a suite of antibiotics,

发表于:2019-01-20 / 阅读(207) / 评论(0) 分类 2017年Scientific American(八)月

A: May I exchange this DVD player? B: Certainly. Do you have your receipt? A: Here you are. B: Now, why do you want to exchange it? A: It won't play a DVD. B: I'm sorry. I'll get you a new player. A: At first, I thought it was me. B: Okay, here's a n

发表于:2019-01-20 / 阅读(202) / 评论(0) 分类 购物英语对话

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(211) / 评论(0) 分类 纯正英语一分钟

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo

发表于:2019-01-27 / 阅读(164) / 评论(0) 分类 PBS访谈环境系列

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(225) / 评论(0) 分类 科技之光

By Scott Bobb Pretoria 19 October 2006 Health officials from southern Africa and the World Health Organization (WHO) met Tuesday and Wednesday in South Africa to discuss ways to deal with growing cases of drug-resistant tuberculosis. Because new dru

发表于:2019-02-04 / 阅读(224) / 评论(0) 分类 2006年VOA标准英语(十月)

Malaria patients being treated at the hospital in Pailin, Cambodia. This spot on the Thai-Cambodian border is home to a form of malaria that keeps rendering one powerful drug after another useless (file photo) Health experts were alarmed to find a st

发表于:2019-02-06 / 阅读(171) / 评论(0) 分类 VOA标准英语2010年(七)月
学英语单词
2-acetonylfuran
accredit one with
achromatism
addressable memory space
anatomical metallography
BCR
Beaverhead River
benchmark survey
birkins
bismuthyl hydroxide
border defense anthority
break my heart
bur-reed family
carica L.
cautor levukense
charleyhorse
Chelone
chins wag
columbianadin
commercial data recorder
contract caterer
cordwoods
data file interrogate
Dendrobium Sw.
dual-recording
end title
engarlands
ethylhexedrine
fabric inspection of penalty system
flipflop sign control
fumitory family
gegeite
genus triglochins
handbags
high pressure wind tunnel
inextinguishable
intermittent drive
internal cycle time
international wanted notices
isograms
kruisingas
late-night hours
leaping voltage
left justified clause
Lubiszyn
mainie
manufacturer's maximum total weight
microprocessor RAM interface
Microreservoir-type
mprr
musculofascial
mutually exclusive event
mycotoxicological
nested macro structure
Nestorion
neurovoltometer
nonRiemannian
nonthematic
number of plungers
osseous sound
ought self
pachycephalids
postkinematic stage
prairie-buster plow
prcximate principle
primary offenses
Pristiglottis
promis
reprune
rooflights
round-nose turning tool
Sagleipie
school crossing patrol
screwed that
secondary backing
separately sustained oscillation
shitta
small punch
stackable hub
stmona japonica miq.
stretch tensor
subsidiary accounts
super X-rays
surfwears
sweated joint
sweigert
swivelling characteristic
Tatlayoko Lake
tedrows
tinted (hill) shading
towfish
trim sheet
tumor-specific
twist-grip throttle
ueland
validity of association
variable expense ratio
vertical magnetization
Vorukh
wading pool
written consent
Zinnal