[电] 距阵代数图

JUDY WOODRUFF: Now a look at how required math classes may factor into the academic success or failure of high school and college students. Hari Sreenivasan has the story as part of our weekly education series, Making the Grade. ANDREW HACKER, Author

发表于:2018-12-05 / 阅读(93) / 评论(0) 分类 PBS访谈教育系列

剧情简介 玛戈特(妮可基德曼 饰)带着儿子一同前往参加妹妹宝琳(詹妮弗杰森李 饰)的婚礼。玛戈特与宝琳的性格各异,两姐妹的关系一直也不是太好,但她还是愿意参加妹妹的婚礼。 当玛戈特看到自己的未来妹夫马尔科姆(杰克布莱克 饰)后,她深知自己猜想的没有错,她

发表于:2018-12-07 / 阅读(94) / 评论(0) 分类 影视英语听力

获得52.2k好评的回答@Isaac Hanemann: Among my peers, the most common reasons to sit in front are: 在我的同龄人中,坐在前排的最普遍的原因是: ?Poor vision 视力不好 ?Poor hearing 听力不好 ?Harder to fall asleep (my

发表于:2019-01-03 / 阅读(78) / 评论(0) 分类 阅读空间

Stereotypes are usually the last thing to change in the face of contradictory evidence. A case in point is the long held belief that boys are better at mathematics than girls. Well a meta-analysis to be published in the journal Psychological Bulletin

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(一)月

A 33-year-old financial analyst in California recently quit his job to devote himself to an unpaid job teaching math on the Internet, and his lessons are reaching almost 100,000 people a month. In this week's edition of Making a Difference, we introd

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2010年(三月)

By Lisa Bryant Paris 19 November 2009 A journalist makes a phone call at European Council building in Brussels, 19 Nov 2009 Hours before European leaders meet in Brussels to choose the European Union's first permanent president, they remain divided

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2009年(十一月)

演讲亮点:寄语生命美好、世界和平 安妮海瑟薇在例行感谢完各路支持者、朋友家人之后说: Here's hoping, that, someday in the not too distant future, the misfortunes of Fantine will only be found in stories and neve

发表于:2019-01-16 / 阅读(74) / 评论(0) 分类 名人演讲视频

I'm here today to talk about the two ideas that, at least based on my observations at Khan Academy, 今天,我要分享两个观点,至少基于我对可汗学院的观察得出的, are kind of the core, or the key leverage points for learning.

发表于:2019-01-18 / 阅读(94) / 评论(0) 分类 TED演讲科学篇

If I could write a letter to me And send it back in time to myself at 17 First I\'d prove it\'s me by saying look under your bed There\'s a Skoal can and a Playboy no one else would know you hid And then I\'d say I know it\'s tough When you break up

发表于:2019-02-02 / 阅读(109) / 评论(0) 分类 美国乡村音乐

Language is hard. In fact, it's infinitely harder and more complicated than math. And yet, nearly every small child can learn and master language. 语言真的很难。老实讲,它比数学要复杂得多,也困难得多。不过,几乎所有的

发表于:2019-02-03 / 阅读(92) / 评论(0) 分类 英语新闻

351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se

发表于:2019-02-03 / 阅读(263) / 评论(0) 分类 英文语法词汇

At first glance Esther Okade seems like a normal 10-year-old. She loves dressing up as Elsa from Frozen, playing with Barbie dolls and going to the park or shopping. 第一眼看上去,十岁的埃丝特奥卡德好像和同龄孩子没什么不一样

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 阅读空间

经典英文句子帮你记单词 1. With my own ears I clearly heard the heart beat of the nuclear bomb. 我亲耳清楚地听到原子弹的心脏的跳动。 2. Next year the bearded bear will bear a dear baby in the rear. 明年,长胡子的熊将

发表于:2019-02-06 / 阅读(162) / 评论(0) 分类 实用英语

Brad Paisley -- Letter To Me 写给自己的信 If I could write a letter to me And send it back in time to myself at 17 First I'd prove it's me by saying look under your bed There's a Skoal can and a Playboy no one else would know you hid And then I

发表于:2019-02-07 / 阅读(102) / 评论(0) 分类 经典英文歌曲

An hour before the Forbidden City opened to visitors one recent morning, the stone courtyard just south of the ancient imperial palace was abuzz. Within the vermilion walls, the usual mix of uniformed palace workers, tour guides and tourists milled a

发表于:2019-02-08 / 阅读(67) / 评论(0) 分类 英语新闻

If I aint got nothing, I got you If I aint got something I don't give a damn, cause I got it with you I don't know much about algebra, but I know one plus one equals two And it's me and you, thats all we'll have when the world is thru Cause baby we a

发表于:2019-02-11 / 阅读(122) / 评论(0) 分类 The Voice 美国好声音

It stood ten feet high, weighed over eight hundred pounds, and had a beak that could tear the head off pretty much anything that irked it. 它身高3米,体重350千克以上,它的喙能把差不多任何令它讨厌的动物的脑袋扯掉。 I

发表于:2019-02-13 / 阅读(75) / 评论(0) 分类 万物简史

But when they really get pushy, people really get pushy, I say, I do it because you do it for your kid. 但是当他们变得有进取心时,我们就会变得更有进取心,我说:我这样做就像你们为自己的儿子做的原因一样。

发表于:2019-02-13 / 阅读(95) / 评论(0) 分类 TED演讲国际问题篇

Leaders: Big economic ideas Breakthroughs and brickbats 社论:重大经济思想突破与板砖 What economists can learn from the discipline's seminal papers 经济学家能够从这一学科的经典论文中所学到的 It is easy enough to cri

发表于:2019-02-17 / 阅读(121) / 评论(0) 分类 经济学人财经系列

You see, the autistic mind tends to be a specialist mind 自闭症患者通常都是有特别的心智的 good at one thing, bad at something else. 她们往往在某一方面做得很棒,在其他方面做得很糟 And where I was bad was algebra.

发表于:2019-03-04 / 阅读(149) / 评论(0) 分类 TED演讲教育篇
学英语单词
A/NA
Acteon
advanced operating system
apprenticeship
approved acceptance
automatic distribution phonogram equipment
biokoes
caking fertilizer
chicken nuggets
clatches
colorless adsorbed compound
communication among independent tasks
cooper-key
counter-mortar radar
Cyclopentiazide
de-editor
decorousness
digital image mosaic
distilled water
dividend stock
effective source area
epileptic dementia
expenditure on economic construction
fadometer
false ellipse
flockless
flounder gill cell line( fg )
fly-bane
fuel injection advance angle
general-purpose operating system
gloomy
gullied surface
Habenaria rostrata
hauls in
hayashi
helmet-mounted display
hemolytic tissne
heuristic routing
hiatus hernias
high-frequency electric machine
homoannular
intermittency effect
Kamehameha IV
karlton
l-glutamic dehydrogenase
lautering
livestock-raising
Lumeton
luminous flux density
madonninas
mail exploder
microplanktons
modeling program
molybdenum(iii) oxychloride
Murgatroyd belt
myocillin
Natha
non-affiliated
nonconsciously
nonlinear nework
nonsensationalistic
oscilloscopic
Pallinup R.
partition of load
perendinate
periclitate
periodical statement
physical contacts
planet-gear
postverbal
pre-analytic
prostrater
proteolysis
put sb. to expense
ribbon parachute
roaming service
rotated vector field
rough sort
sales and purchases on commission
sapregen
self-correcting sample
sensitive personality
shirring thread
Shuigou
side chain motion
single fiber splicer
slavoski
sludge boat
sou markee
South Americans
sting for
storage of value
took a pleasure in
two-element
undeterminately
undulipodium
Vanin plague
ventrocephalad
vibration compaction
view borrowing
weathering shooting
yatter