部份分割反矩阵

Sonja Pace Israeli troops have begun a partial withdrawal from parts of the Rafah refugee camp in the southern Gaza Strip, where their operations this week have left at least 41 Palestinians dead, sco

发表于:2018-12-08 / 阅读(248) / 评论(0) 分类 VOA2004(上)--国际时事

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(181) / 评论(0) 分类 英语学习方法

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(262) / 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(233) / 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(188) / 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(207) / 评论(0) 分类 VOA标准英语2016年(三月)

The important thing about units is that once we've made a new unit, we can treat it just like we did the old unit. 重要的是,一旦我们创造了新的单位,就能用旧单位那样的方法使用它。 We can compose composed units, and we

发表于:2019-01-17 / 阅读(480) / 评论(0) 分类 TED演讲教育篇

Which is correct: A dozen eggs is? Or A dozen eggs are? 哪个是正确的:a dozen eggs 'is' 还是 a dozen eggs 'are'? I remember being in elementary school, and my teachers making a big deal about the unit. 我记得上小学的时候,我们老

发表于:2019-01-17 / 阅读(214) / 评论(0) 分类 TED演讲教育篇

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(239) / 评论(0) 分类 雅思英语

Books and Arts; Book Review;19th-century British politics;Third man; 文艺;书评;19世纪英国政坛;第三人; John Bright: Statesman, Orator, Agitator.By Bill Cash. 《约翰布莱特:政治家, 演说家, 改革推动者》;比尔凯西。

发表于:2019-01-26 / 阅读(208) / 评论(0) 分类 经济学人人物系列

Popular choices include, tea,coffee,cocoa. Popular: 流行的 cocoa: 可可 最受欢迎的有茶咖啡可可 I see. No,no,no,wait. Don't hang up yet. hang up: 挂断 了解了解别先别挂 What about a recreational activity? recreational activity:

发表于:2019-01-28 / 阅读(205) / 评论(0) 分类 生活大爆炸第二季

Quite what Halley expected to get from him when he made his unannounced visit in August 1684 we can only guess. But thanks to the later account of a Newton confidant, Abraham DeMoivre, we do have a record of one of science's most historic encounters:

发表于:2019-01-29 / 阅读(144) / 评论(0) 分类 万物简史

By Scott Stearns White House 12 September 2007 President Bush gives a nationwide address Thursday in which he is expected to announce the gradual withdrawal of 30,000 troops from Iraq. VOA White House Correspondent Scott Stearns reports, opposition D

发表于:2019-01-31 / 阅读(344) / 评论(0) 分类 2007年VOA标准英语(九月)

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(172) / 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(191) / 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(240) / 评论(0) 分类 阅读空间

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(209) / 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(171) / 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(242) / 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(214) / 评论(0) 分类 英文语法词汇
学英语单词
apparent violation
artificial sweetener
Artëm-Ostrov
asymmetrical hearing loss
auditory osseous
Authorized Forex Dealer
backlash error
before one's nose
Belcherville
betrothing
bitchily
bottle-shaped organs of labeo
Brunstatt
caesium-beam tube
chain belt conveyor
codification
construction plant
cymbelines
dead front type
declination vernier
die horribly
draglink
dualayer process
Echinococcus hydatid cyst
echocardiograph
empty column
eplus
equal-thickness fringe
erect hair
exoccipital cartilage
exogastrula
fan layout
fanfares
feting
finstein
Galapagos Seamount
Germain
gonadial
grant-reeled silk
helium 3 beam
heterokinesia
i-likeness
imitation die stamping
Juncus turczaninowii
Kellia
l'atlantique
leno loom
Leontodon taraxacum
liechtensteins
Lysionotus pauciflorus
magnetic particle
Magumeri
medication
medium term forecast
methiodides
Morquio's disease
mucous polyp of larynx
Nambale
off-load deaeration
oil coat
Old Harbor
onuss
orthostade
Ovacιk Burun
parasomnia
pass all understanding
passive-flow folding
patern
permanent wilting
plain calliper gauge
plasma-arc machining
plastic clad fibre
ploughman's spikenard
pretreatment of hot metal
probe message
prodrug
proterandry
public relief or assistance
Rachecourt
rachele
radionuclide in vitro image
real estate problem
recoverable deformation
regulatorproblem
reproductive property
Salaspils
select agents
Sir Harry MacLennan Lauder
solid tooth circular saw
sophistically
spatial mesh
stayed over
storm switch
teacher-student relation
Tetra-tablinen
tetraandrine
time mean value
tremelimumab
trigonal
tritylodontids
uncertainty sample survey
unframed (unstiffened ) shell