形式代数

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(108) / 评论(0) 分类 PBS访谈教育系列

Judy is looking for something nice to wear for a job interview. She wants to wear something formal. Unfortunately, she doesn't have anything except casual clothes. Judy is worried. She has nothing sui

发表于:2018-12-08 / 阅读(335) / 评论(0) 分类 赖世雄初级美国英语

Proper Behavior at a Formal Event Rodney: Ha-ha! Did you hear what I said? Funny, right? Samantha: Behave yourself! This is a serious and solemn occasion, not a time for levity. Rodney: Loosen up. We have to endure two hours of this ceremony. Samanth

发表于:2018-12-27 / 阅读(166) / 评论(0) 分类 2014年ESL之日常生活

AA: I'm Avi Arditti and this week on Wordmaster: an example of how English teachers at one high school are trying to get students to keep the language of the Internet where it belongs. Jodi Schenck teaches at Rothberg Comprehensive High School in the

发表于:2018-12-30 / 阅读(109) / 评论(0) 分类 词汇大师(Wordmaster)

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(116) / 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(121) / 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(122) / 评论(0) 分类 TED演讲科学篇

One of the issues that arise every year on the anniversary of Japan's unconditional surrender is whether a formal apology will be issued. Like past years, Japanese Prime Minister Shinzo Abe has vowed to adhere to the road of peace and not repeat the

发表于:2019-01-19 / 阅读(141) / 评论(0) 分类 2016CRI中国国际广播电台

Help foreign guests at formal dinner 中国餐桌礼仪 With the Spring Festival just round the corner, your mouth might already be watering at the thought of the coming banquet. 春节就要到了。节日里自然少不了聚餐。一想到宴会上的

发表于:2019-01-28 / 阅读(119) / 评论(0) 分类 英语小达人

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(126) / 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(109) / 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(284) / 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(112) / 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(182) / 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(119) / 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(139) / 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(109) / 评论(0) 分类 TED演讲国际问题篇

AA: I'm Avi Arditti and this week on Wordmaster: an example of how English teachers at one high school are trying to get students to keep the language of the Internet where it belongs. Jodi Schenck teaches at Rothberg Comprehensive High School in the

发表于:2019-02-14 / 阅读(120) / 评论(0) 分类 英语单词大师-Word Master

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(137) / 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(165) / 评论(0) 分类 TED演讲教育篇
学英语单词
abrasion blasting
acetparaphenetidine
anaplecta simplx
Andaman fever
arthrosis deformans
audio-visual information
Aunt Flo
authorage
azido group
be complete
Bealnablath
beheading machine
biocytoculture
black guillemots
bolding ground
bouldering
bristlegrass
chain pipe cover
chemotaxes
Cholatol
communication education
contacting area
contour tillage
core mould
Crocuta crocuta
cruel punishment
cuneocerebellar fiber
curling thickness
Côte Vermeil
database identifier
debt-interest
depolarization (ratio)
differential chromatography
Dioscorea parviflora
diovular
discovery of facts
double plug
enkianthus quinqueflorus lour.
ericoid
Erie National Wildlife Refuge
famprofazone
fibonnaci heap
fields of view
fingermark
front water wall
garment tag
Guafo Fracture Zone
hamblen
high-resistance bridge
iftars
internal clocking
internal features
Kakosa
kangaroo vine
landscape panel
leave someone high and dry
lime-nitrogen
loudness contour selector
mannosamine
marketability of product
media consultant
mistargeted
nuggars
Ocean energy systems
orostachys malacophyllus (pall.)
owner occupied housing
Pempheris
people's armed-police forces
portable stanchion
portable testingset
prefestival
pro-osteon
quasi-particle lifetime
relativizations
repeat back
repreve
ridged purlin
riverine ecosystem
saltfree
saybolt chronometer
scarus chameleon
scientist-practitioner
secant galvanometer
sehcats
sheaf discharger
solid base catalysts
sow the seeds of
spatial error
spireless
spoke-shave with wooden handle
suitable condition
sulfurated lime
tangent of lead angle
thread model
tractus corticohabenularis
trunk mesenchyme
uk server
underexposes
upset weld
ureid
vehicle diagnosis
water bird