层次协议

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(428) / 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(120) / 评论(0) 分类 听一分钟英文-O

United Nations Report Says Earths Ozone Layer Is Healing A new study says the protective layer of the Earths atmosphere is finally healing from damage by humans use of harmful chemicals. Aerosol sprays and coolants had been thinning the ozone layer s

发表于:2018-12-16 / 阅读(53) / 评论(0) 分类 2018年VOA慢速英语(十一)月

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(144) / 评论(0) 分类 世界节假日博览

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(151) / 评论(0) 分类 英语课程学习计划和讲义

Task 2: A Work Qualification Test Script According to a report by Australian researchers, the hole in the ozone layer over Antarctica will probably start closing within five years. They say it may be completely closed within fifty years. The ozone la

发表于:2018-12-29 / 阅读(87) / 评论(0) 分类 新视野大学英语:视听说教程 3

Global Pollution Trends According to a recent report by the UNEP 1 , if car numbers keep increasing at the present rate, there will be more than a billion on the road by 2025. Today, motor vehicles pu

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 英语沙龙2004全年合辑上

ENVIRONMENT REPORT - November 1, 2002: Shrinking Ozone Hole over Antarctica By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Australian researchers say the hole in the ozone layer o

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 健康与环境

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 2018年VOA慢速英语(五)月

T1 Carrier A T1 carrier is a time-division multiplexed digital transmission facility capable of supporting 24 voice channels, (each encoded as a 64 kbps PCM DS0 signal), producing an aggregate multipl

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 电信英语

P-MAC packet media access controller PAD packet assembler-disassembler PCB printed circuit board PDS premises distribution system Personal Communications Personal communications provides at least one

发表于:2019-01-03 / 阅读(96) / 评论(0) 分类 电信英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(140) / 评论(0) 分类 农业与发展

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(94) / 评论(0) 分类 实用英语

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 VOA2003(下)-环境与健康

Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l

发表于:2019-01-12 / 阅读(90) / 评论(0) 分类 2014年VOA慢速英语(九)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(115) / 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(116) / 评论(0) 分类 纯正英语一分钟

Ozone layer(臭氧层) 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed(

发表于:2019-02-07 / 阅读(66) / 评论(0) 分类 英语新闻

BEIJING, Dec. 25 (Xinhuanet) -- China is likely to test a new Internet protocol in the next few years in an attempt to further develop the country's Internet, senior officials from the State Council said on Friday. The country will put the Internet P

发表于:2019-02-18 / 阅读(168) / 评论(0) 分类 英语新闻

本期内容: Leaders from nearly 200 nations signed an agreement to phase out hydro fluorocarbons, chemicals used in refrigeration and air conditioning. In the 1980s the Montreal Protocol replaced chlorofluorocarbons, which were known to harm the

发表于:2019-03-02 / 阅读(123) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
A. C. T. R.
Abdolabad
abhinayas
acid-consuming ion
Acronema handelii
adolescent adjustment reaction
agits
allocated physical storage
ambilingualism
apotheotic
ballet de l'opera de paris
Benjamin, Walter
birth and death
blue-tongued skinks
Bokajan
box header
bring in
charles augustus lindberghs
Cheshvan
chiaphua
chloral betaine
chronic obstructive disease of lung
copal concentrate
cosine haversine formula
courtship coloration
Dal, Jab.ad
dark field electron image
deformation-gradients
demethanize
dialogical democracy
diffraction halo
dimethyl sulphide
diploxylic
duntes
electric organ
endless conveyor
estimated federal income taxes
eukayotic
evidentiality
extractability
farthing dip
firmable
fixed - effects model
forward breakover voltage
genus Clusia
gigungus
glomerulotubular
Glooscap
grubstreet hack
Gruskin tests
gymnadenia conopseas
hob polling
Hoplophoneus
hPIVs
in bundle
inductive bridge type
iron(ii) benzoate
juice clarification
Lauenstein
Laurie R.
lexian distributions
line handling overhead
lochopyra
marriest
medical information retrieval
Meristells
mesalamine
motion estimation
nonviolent death
orientness
Osinovka
pestalotia guepini desm.
picking wood
portable pyrometer
pounding out
presses
raggedest
rice shoots
roll-in/roll-out file
safety issue
scalar principle
security environment
sericiculturists
shoepac
shuttle feeler stud
solvent pump
sp00f
sssisns-s
stand first on the list
step charge
tartronic acid
theory of characteristics
time of legal memory
two hundred and thirteen
Type II Cepheids
umbilicomammillary triangle
unilateral transfers
user operating personnel
viscous-damping
vitam
withdrawal reaction
worrest