甲诺酮

Section 12 Different Values 1Weights and measures are different in different countries. 2We call the different systems decimal and imperial. 3Most countries use the decimal system. 4That’s a system

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 英语导读1000句

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(126) / 评论(0) 分类 VOA2003(下)-农业与经济

The dilemma has been haunting the United States for decades. Do you prop up a regime that treats you favorably, even if that regime does not necessarily share your democratic principles? Or do you stand firm on your values, even if it means losing a

发表于:2018-12-16 / 阅读(88) / 评论(0) 分类 VOA标准英语2011年(二月)

An examination of the relevant data shows a continuing secular increase in the labor force participation of married women--a phenomenon Ralph Smith called a subtle revolution two decades ago. However, this growth has slowed down in recent years and h

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 白领美丽英文诵典365

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(168) / 评论(0) 分类 数学英语

By Carol Pearson Washington, DC 15 September 2006 watch Meth and Dental Care Methamphetamine Ice Methamphetamine is an addictive drug that can damage brain cells. It is suspected to cause a movement disorder similar to Parkinson's disease. Meth use

发表于:2019-01-07 / 阅读(180) / 评论(0) 分类 2006年VOA标准英语(九月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 Scientific American(四)月

AS IT IS 2015-09-20 Documentary Shows US, Mexico Fighting Drug Cartels 纪录片:墨西哥打击贩毒集团 A new movie follows two communities -- one in the United States and the other in Mexico -- as they try to stop drug cartels from harming thei

发表于:2019-01-12 / 阅读(123) / 评论(0) 分类 2015年VOA慢速英语(九)月

UN Wants Australia to Take Lead Against Asian Drug Traffic 联合国促澳大利亚带头打击亚洲毒品走私 From VOA Learning English, this is the Health Lifestyle report. United Nations officials say they have recently seen an increase in the

发表于:2019-01-12 / 阅读(127) / 评论(0) 分类 2016年VOA慢速英语(八)月

By Peter Fedynsky Washington, DC 22 June 2006 watch Common Values report President Bush's summit in Vienna with leaders of the European Union covered a broad range of topics - from trade to terrorism; from poverty to intellectual property; from the

发表于:2019-01-13 / 阅读(144) / 评论(0) 分类 2006年VOA标准英语(六月)

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2012年(六月)

UN:MethUseSurginginSoutheastAsia A report by the United Nations Office on Drugs and Crime (UNODC) warns that production and use of synthetic drugs such as amphetamine-type stimulants is widespread and growing globally. The report identifies Southeast

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2011年(九月)

DAVID GREENE, HOST: We have been reporting on the rise of some really nasty diseases caused by tick bites - everything from Lyme disease to Rocky Mountain spotted fever. Well, now a new study is shedding light on an old technique to repel ticks that

发表于:2019-01-17 / 阅读(126) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Another Drug Crisis: Methamphetamine Use By Pregnant Women AILSA CHANG, HOST: A new study published today finds that a growing number of women in recent years have been using amphetamines like crystal meth during their pregnancy. The rates of use hav

发表于:2019-01-23 / 阅读(106) / 评论(0) 分类 2018年NPR美国国家公共电台12月

A classical guitarist was thrilled to hear from New York City police that his valuable guitar had been found. It disappeared almost a year ago when he got out of a taxicab and forgot to take the guitar with him. Laurence Lennon, 44, said he was runni

发表于:2019-01-30 / 阅读(144) / 评论(0) 分类 365个英语简短小故事

Raw anti-drug campaign awakens state Ted Landphair | Missoula, Montana 04 February 2010 Photo: Montana Meth Project Adults across Montana were frightened by what they were seeing. Some hardly recognized their meth-addled teenagers. Related Links Mont

发表于:2019-02-02 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(二月)

Among the beautiful pictures That hang on Memory's wall, 在那些美轮美奂的画中间挂在记忆墙上的, Is one of a dim old forest, That seemeth best of all; 是古老的森林一抹幽暗,似乎在其中画工最善; Not for its gnarl

发表于:2019-02-11 / 阅读(96) / 评论(0) 分类 美国语文第六册

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re

发表于:2019-02-21 / 阅读(111) / 评论(0) 分类 环球英语 Spotlight

A Fresh Breath of Methane 很早很早以前地球有很微量的氧气,而且地表状况十分恶劣。大气主要是N2和Co2,后来通过复杂的变化,地球开始出现了厌氧型生物。在生命的作用下,地球的氧气开始不断

发表于:2019-03-09 / 阅读(141) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
age-dating
agency shop agreement
Aletris laxiflora
amount of draft
anaplast
artificial respiration pump
bankcorp
bee hive
Bentley's code
BOFH
bulb of percussion
butterkist
bypass operation
cacesthenic
Change message to be unread
chieftainry
compression bending
continuous picking
counterflow furnace
cradle-to-grave
Deutschland Canyon
devovement
double-track sliding door
dual purpose trust
dumous
empis subabbreviata
encumeadas
Eurya pyracanthifolia
exploiting and using of natural resources
finite - element method
foliage cover
Follicunodis
forthbrought
gantlines
ghillied
glint error
Guanosine-3'(2')-monophosphate
has a regard for
hasps
hungarian-american
i-yarked
instrument plant
intervention point
jarmies
Jew's-trumps
lattice parameter method
lighthouses
long-term station
luxatio primitiva
march on toes
masterships
milholland
motor effect
myrtillin-a
nailbiter
night service only
nominal voltage at pantograph
nonsegregated-phase bus
nonwartime
nozzle core
occidental diamond
offset hinges
orthofunctions
panoramic projector
partial covariance
perknite(perkinite)
pole-mounting transformer vault
prerinse
progressive shear thickening
Puerto Antequera
Reform Jew
Rehal
rejected
resistance of rivet
retinal isomerase
right steering tie rod
RTDG
school is over
ship stabilizer
shriveling up
sintered plastics
soil erosion degree
Spirit Black
squireship
ssinging
stable phase oscillations
stationary eddy
subscription rights
Sulfur-Crested
synhistocompatibility
target management
thermoaeroelasticity
torsional-stress
Toxocarpus aurantiacus
trench-arc-basin system
true viper
undergo
unofficial statement
uranin
viscous-type air filter
water supply system
ZOOGEOG