可解代数

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(120) / 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(92) / 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(157) / 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(102) / 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(130) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? One of the things that amazed me was when we brought business people back to say, What dont we teach you in school, these were physicists who became business people. We di

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(四)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(131) / 评论(0) 分类 VOA标准英语2010年(三月)

The conventional wisdom about our world today is that this is a time of terrible decline. 关于当今世界的传统观点认为:这是一个急剧衰退的时代 And that's not surprising, given the bad news all around us, 而这也并不令人奇怪

发表于:2019-01-18 / 阅读(108) / 评论(0) 分类 TED演讲国际问题篇

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(141) / 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(136) / 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(119) / 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(294) / 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(124) / 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(195) / 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(127) / 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(154) / 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(124) / 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(147) / 评论(0) 分类 经济学人财经系列

TIANJIN, April 4 (Xinhua) -- People in a north China city have been offered a new way to go green -- put the ashes of their loved ones in dissolvable urns and bury them in the soil or in the pond. That is a far cry from the tradition land burial, whi

发表于:2019-02-18 / 阅读(135) / 评论(0) 分类 英语新闻

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(180) / 评论(0) 分类 TED演讲教育篇
学英语单词
-piled
Adige
allobat
arthur's
artificial gene
arylsulphatases
autoregressive linear difference equation
bacterin-toxoid
BAK
bancus sperior
Bashkirians
basic rate interface
betancourts
Bilatan I.
bimorphism
biogeographic, biogeographical
blitz training
bog geography
Ca-Al rich inclusion
chondro-epiphysal
cirrhitichthys aureus
coefficient Bunsen
conductor layer No.1
connodals
conventional tripping current
corporal wound by mistake
cost of labo(u)r turnover
cross-compound turbine
crystal chemistry of organic compound
Davel
dendrobium crispulum k.kimura et. migo.
diathermic therapy
distance difference measurement
diving ducks
Drayton
eastersn silvery asters
external borrowing
fee method
feedback frequency modulation
ferromagnetic crystals
field microclimate
flegal
fluorobenzonitrile
formyl-glyzinanidin-ribonukleotid
fuze antidisturbance
genus diphyllas
genus Psephurus
gestational edema
host-mediated assay
Huntlosen
hypomagma
interactive query system
IORT
irrigator
James Knoll
kimi
lagging materials
lead a charmed existence life
macroassembler subroutine
met-enkephalin
micro-aggress
midback
New York City
non-flowering plant
nonservile
nuclear weapon exercise
obsequience
oidiophore
Onderdendam
order Anacanthini
osseous brash
outcounting
panmixia
phosphatidalcholine
photon meter
polystichum kodamae tagawa
porcelain media
pre-rotation
professional victim
raconteurial
recognizable pattern
reorganizational
rock breaker
ru-shu-pi
Silver Stick
sound-thieves
spark discharge hardening
speedup capacitor
spray trap
station level network
steam-rollered
STRIKEX
sublingual ducts (or duct of ravinus)
sych
teleost muscle fiber pattern
the four corners of the world
the heart of the hills
theodidact
turn initiation point
two-strikest
weedier
william ashley sundays