对称代数

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(214) / 评论(0) 分类 PBS访谈教育系列

M: Does that ring a bell? W: This is totally over my head. Will you explain again Mr. Brown? M: The point is you should first remember the formula. W: Algebra is so difficult. I just dont get it. Dialogue 2. W: How can I be through with such a whole

发表于:2018-12-17 / 阅读(163) / 评论(0) 分类 流利美国口语

English英语 Japanese日语 Chinese语文 mathematics数学 science理科 gymnastics体育 history历史 algebra代数 geometry几何 geography地理 biology生物 chemistry化学 physics物理 physical geography地球物理 literature文学 sociolo

发表于:2018-12-19 / 阅读(217) / 评论(0) 分类 英文语法词汇

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(162) / 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(215) / 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(205) / 评论(0) 分类 VOA标准英语2010年(三月)

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(243) / 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(198) / 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(187) / 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(374) / 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(180) / 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(265) / 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(184) / 评论(0) 分类 经典英文歌曲

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(225) / 评论(0) 分类 The Voice 美国好声音

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(198) / 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(223) / 评论(0) 分类 经济学人财经系列

英语单词快速记忆法丛书(1)

发表于:2019-02-19 / 阅读(159) / 评论(0) 分类 英文语法词汇

I'm a brain scientist, and as a brain scientist, 我是一个脑科学家,而作为一个脑科学家, I'm actually interested in how the brain learns, 我对于大脑是如何学习的很感兴趣。 and I'm especially interested in a possibilit

发表于:2019-02-21 / 阅读(241) / 评论(0) 分类 TED演讲教育篇

Hi everyone. I'm Shree Bose. 大家好,我是斯里波色。 I was the 17-18 year-old age category winner and then the grand prize winner. 我是17-18岁组的冠军,也是大奖得主 。 And I want all of you to imagine a little girl holding a

发表于:2019-02-21 / 阅读(162) / 评论(0) 分类 TED演讲教育篇

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(261) / 评论(0) 分类 TED演讲教育篇
学英语单词
acclamatory
acinum
Agapetes refracta
asshairs
atto-gray
auols
Ban Bang Chak
behooving
bichromated gelatin
black as a raven
boarded-up
Bookmark link
boreniuss
charcoal burners
circumanal glands
citromalic acid
classical culture
commissural neuron
commuter airplane
copa
cost of labo(u)r turnover
county-level
deck hand, deckhand
deviated well
dispatch station
Dizney
drinking water pressure tank
duplex stage
eastern hajar (al hajar ash sharqi)
el bahluliye (al bahluliyah)
equibalanced
escape with one's life
ethics of teachers
fleshinesses
flow feeder
freely available
frost- call
fusion-cast refractory
gain attenuator
gemena
General Arrangement of Borrowing
get off one's tail
glandulae Parotis
glycerol triglycidyl ether
gramaire
half value period
half-life determination
high spirits
hore angle
in less than a pig's whisper
Intel Insider
irrelentlessly
Isidrina
Java supers
labor
lace hole
leukoma adhaerens
maja spinigera
Mapico
melnyk
metal-bearing
mistura
Ninghainia
personal-circuit
photoelectric scribing
polyphase series motor
port
rare earth doping
real del castillo
receiving lens system
reducible polynomail
right square
Rokko-sammyaku
Schistosoma hematobium
Seabee barge
shopwatch
SIUYA
skybald
slangies
snow blowers
soda pop
sodium diprotrizoate
solid zoning
sperrschicht cell
star begonias
subcrureus
tanweens
thelematic
thermometer resistor
three-decker
transition error
transurethral resection of bladder tumor
Tummel Bridge
turn-length
unclear star
uncrossed cheque
undertowed
uranyl phosphate(monohydrogen)
vader
valley oaks
Vershino-Darasunskiy
vertical shaft motor