霍普夫代数

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(107) / 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(80) / 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(144) / 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(92) / 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(113) / 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(117) / 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(117) / 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(125) / 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(108) / 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(279) / 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(108) / 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(179) / 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(117) / 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(137) / 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(108) / 评论(0) 分类 TED演讲国际问题篇

Business 商业报道 German business 德国商业 Screwdrivers drawn 拉锯战 A shareholder stand-off in the Black Forest 黑森林里的股东对峙 IF YOU have ever struggled to assemble a flat-pack wardrobe, the chances are that its wooden piece

发表于:2019-02-16 / 阅读(115) / 评论(0) 分类 经济学人商业系列

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(135) / 评论(0) 分类 经济学人财经系列

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(90) / 评论(0) 分类 TED演讲教育篇

German business 德国商业 Screwdrivers drawn 拉锯战 A shareholder stand-off in the Black Forest 黑森林里的股东对峙 If you have ever struggled to assemble a flat-pack wardrobe, the chances are that its wooden pieces were cut, drilled an

发表于:2019-02-24 / 阅读(106) / 评论(0) 分类 经济学人商业系列

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(162) / 评论(0) 分类 TED演讲教育篇
学英语单词
adventurousnesses
AHTP
air pilot pump
anguiss
AVRCP
back stab
blanking punch
booster phase guidance
breach of constitution
Caland system
cast-steel shot
cetylenl
charles sumner
christianness
Chūgoku-sammyaku
Clematis virginiana
clouber veridiflavus
content curation
cutting height control
daphnella aureola
depth of field indicator
drunkest
electric depth sounding device
electropneumography
electrostatically focused image tube
Epilobium pengii
excessive rolling
exploiting
fainting during acupuncture treatment
frenulum buccinator superioris
fringillas
funars
future strategy
Gamonal
garden net
genus Potamogale
Greenwich (mean) time
Harvamine
heind
Hudson Falls
imperfect interest
in forms
in word
kittehs
lammination
lanthanum ion
lattice mismatching
Loprazolamum
masaakis
methylsulfinohydroximoyl
mirabilites
mismatch negativity
mother hubbards
nitrostryenes
one-dimensional model
orthogonal Latin rectangle
parameter packet
Peter Richards, C.
photinia serratifolia ardisiifolia
plateresque
podial
Polenza
Poly(P)-glucokinase
practical optical system
precision code
premature birth and postmature birth
pro-death
protervity
pseudonaviculae
pushin
register relay
reperforming
Rete venosum
rhapsodise
rheological characteristic
ruppias
save-on
shepherd test
Soofi
speed measuring device
standaway
Sterculia subracemosa
suffer damage
sum insurance
tamale pies
tapered draft tube
thin coat
through plate girder
tomioka
triorchid
underwater inspection
unroadworthy
user's online data base
uterine life
valoninic acid
value dates
vays
ventose
wafflier
Widmannstatten pattern
xylic gap