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图片1 图片2 图片3 by Jason Marshall Weve now talked about several different useful ways for looking at and understanding a group of numbers. The mean, median, and mode are great for determining the average value, and last time we learned that t

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 数学英语

By Sonja Pace London 30 June 2007 British police officers walk past tourists in the pouring rain in central London, 30 Jun 2007 London is on alert - police have stepped up patrols and a search is under way for a man seen running from a Mercedes car

发表于:2018-12-08 / 阅读(110) / 评论(0) 分类 2007年VOA标准英语(六月)

Climate-Controlled Time Machine Tests Prairie Future Researchers from the University of Oregon have set up a kind of time machine to test how a warmer climate might affect grasslands and prairies around the world. Today, grasslands cover between 25 a

发表于:2018-12-16 / 阅读(67) / 评论(0) 分类 VOA标准英语2011年(六月)

As the availability of burial plots continues to dwindle and their costs keep increasing, China is encouraging eco-friendly and land-saving burials, but there are a few challenges to overcome before the efforts will make a difference. Professor Qiao

发表于:2018-12-19 / 阅读(69) / 评论(0) 分类 英闻天下

As the availability of burial plots continues to dwindle and their costs keep increasing, China is encouraging eco-friendly and land-saving burials, but there are a few challenges to overcome before the efforts will make a difference. Professor Qiao

发表于:2018-12-19 / 阅读(75) / 评论(0) 分类 英闻天下

Hey,there,I'm Virginia Cha at the CNN center in Atlanta,with a look at what's happening NOW IN THE NEWS. Two alleged terror plots targeting 2 US cities,Federal Agents say the suspects in both plots were ready to pull the trigger.The alleged plots we

发表于:2018-12-20 / 阅读(76) / 评论(0) 分类 CNN2009年(九)月

Its raining, said Benny as he looked out the window. And somebody is walking funny. Benny was six years old, the youngest of the four Alden children. Violet, his ten-year-old sister, put down her violin and came to the window. Its not raining hard, s

发表于:2018-12-31 / 阅读(108) / 评论(0) 分类 130 The Garden Thief

In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports 通过对用有机方式培育的草莓和用传统方式培育的草莓进

发表于:2019-01-02 / 阅读(108) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science, Im Molly Webster. Got a minute? Some consumers buy organically grown foods because they believe the products are healthier, tastier and better for the environment. But is this assessment true? To find o

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(九)月

By Jeff Custer Washington 02 June 2007 U.S. officials in New York say they have foiled a plot to explode jet fuel tanks and a pipeline at the city's John F. Kennedy International Airport. One official called it one of the most chilling plots imaginab

发表于:2019-01-11 / 阅读(105) / 评论(0) 分类 2007年VOA标准英语(六月)

Immigration Tensions Grow as Far Right Plots Pan-European League Around 200 members of far-right movements from across Europe came together in Aarhus, Denmark last Saturday. This day will be remembered and etched into history, 31st of the third 2012.

发表于:2019-01-13 / 阅读(71) / 评论(0) 分类 VOA标准英语2012年(四月)

By Sonja Pace London 10 November 2006 Britain's top domestic intelligence chief says authorities are investigating dozens of terror plots and warns of future attacks, which she says could involve chemical or even nuclear devices. ------- Eliza Manni

发表于:2019-01-31 / 阅读(132) / 评论(0) 分类 2006年VOA标准英语(十一月)

Can a tree help prevent crime? It just might. Two new studies, led by US Forest Service researchers, took a closer look at urban green space in Philadelphia, Baltimore and Youngstown, Ohio. In each of these cities, adding green space to crime-ridden

发表于:2019-02-01 / 阅读(84) / 评论(0) 分类 阅读空间

USGuardsAgainstTerroristAttacksBefore9-11Anniversary U.S. security officials are increasing efforts to thwart possible acts of terrorism in advance of the 10th anniversary of the September 11th, 2001, terror attacks. While the U.S. Department of Home

发表于:2019-02-12 / 阅读(130) / 评论(0) 分类 VOA标准英语2011年(九月)

In the year 203 B.C. Scipio had crossed the African Sea and had carried the war into Africa. 公元前203年,西皮奥率军渡过阿非利加海,将战火烧到非洲。 Carthage had called Hannibal back. Badly supported by his mercenaries, Hann

发表于:2019-02-21 / 阅读(73) / 评论(0) 分类 美国学生人类历史
学英语单词
acinotubular
Aeolistic
analog phone
antidisestablishmentarianism
appall
bacillus solaniperdus migula
bearalvahki (berlevaag)
bed wetter
benckiser
blind enema
bohdanowiczite
byerlyte
calibration bridge
capital of Liberia
certificate of land
chain jib
chutters
claim settlement
close pack
commercial LC agreement
computer networks regulation
Cottrell effect
decide by a majority vote
deflecting turbodrill
depth dose
Devgarh
diesel oil purifier
disseminated fungal infection
dorsal atlanto-axial ligament
Dutch barns
eager in
eight-pack
fasciculi (musculares) periostales mandibul?
fatigue parties
fire retardant polyester resin
first-magnitudes
flow turbulence
fluorescence titration
frequency-modulation and voice frequency
genus anacycluss
grayedest
hand-hold infrared alarm
hebrew granite
high arch
homburger
home-felt
hunting time
identity tensor
immediate precedence
immunoresponsiveness
in session
inconsecutive
inner vent
inverse implication
juror on trial
kamau
kracheh (kratie)
locked die
mavicular disease
Mim44p
missing value
monochamus fascioguttatus
multiplicities
non-conforming method
obliquus externus abdominis
one picture is worth ten thousand words
open-jet wind tunnel
optics of accommodation
orderly sergeant
ossa cuneiforme secundum
outbidded
outlasted
oxyhaematin
picture query language
pound for pound
pre arcing time
quar'le
recessive epistasis
routes of infection
secant coefficient
segmentation and reassemble
selected area electron amplification image
shrink to nothing
significance indicator
specific dispersion
sulcul
taslets
temporopolar
term assurance
the same old
Trombicula irritans
twenty-four-hour clause
useful life period
vatanka
vestibular bulb
voice of reason
waverlian age
Wigand's version
woolsted
x efficiency
zero indication