算符代数

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(100) / 评论(0) 分类 PBS访谈教育系列

How do I get an outside line? Operator: Operator. May I help you? Paul Ryefield: Yes. How do I get an outside line, please? Operator: Just dial 0, wait for the dial tone, and then dial the phone number you want to call. Or we can place a call for you

发表于:2018-12-16 / 阅读(318) / 评论(0) 分类 英语口语练习

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(81) / 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(104) / 评论(0) 分类 Scientific American(一)月

Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋

发表于:2019-01-11 / 阅读(112) / 评论(0) 分类 美国乡村音乐

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(111) / 评论(0) 分类 VOA标准英语2010年(三月)

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 节奏布鲁斯

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(101) / 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(117) / 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(97) / 评论(0) 分类 英语新闻

Operator - 美国乡村音乐 Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋友住在一起 Sh

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 美国乡村音乐

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(269) / 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(96) / 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(168) / 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(107) / 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(129) / 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(101) / 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(126) / 评论(0) 分类 经济学人财经系列

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-02-20 / 阅读(100) / 评论(0) 分类 节奏布鲁斯

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(154) / 评论(0) 分类 TED演讲教育篇
学英语单词
a breath of fresh air
agnostids
alchemy
alloimperatorine
amaranthus biltum l.
appendicular lithiasis
bahir
be justified in
benzoylation
bilboe
bingles
biogeographic, biogeographical
biological roentgen equivalent
bogen structure(bogenstruktur)
born-
bottom cleaning plug
Cadoneghe
calf sound
carbohydrate isomerase
cd recording
citrulline
cladding tube
cocktail shaker piston
communication failure detecting and switching
concrete tile
Cuneatochara
Cychry
datings
decartel(l)ising
dining rooms
discernment
duchardt
Dulong and Petit's law
enclosures
entry system
F clefs
four-bit
fourrange
freewheeling roller clutch
Galton's system of classification
group testing
grunwald
gustavsus vs
Gzira
high ash fuel
incentive compatibility constraint
integral matrix
kleczka
laverties
left brake lever
line idle
magnetic axis of the earth
malt-sugar
MAMILs
mandibulectomies
monographic study
news organization
nicor
nonextensile
octocoral
oesophagostomum radiatum
or line interface unit
paint-brush
Palena, R.
Papilionoideae
phenosafranine
present in
printing houses
program section
protostyles
pseudofiltered category
quartz reaction chamber
regular analytical function
reprofile
rheidaes
riady
Salakas
satellite navigational equipment
savings at call
scouting map front
secondary pectoral girdle
secondary syphilide
selected ship station
semi flexible coupling
shamaness
single-varactor parametric amplifier
slab of sugar
snoged
solar panel
split clamping bearing
stiffened trussed arch
sugarcane weighing platform
suriclone
swivel pipe clamp
Tahyeon-ji
TCP/IP software
vertex vesic?
wavure
wet ketone accumulator
Wheelerville
winter hump
zip on