复代数,向量代数

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(153) / 评论(0) 分类 PBS访谈教育系列

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(191) / 评论(0) 分类 英语语法 Grammar Girl

[00:02.54]English Express [00:28.11]OAKA - The Athens Olympic Sports Complex [00:31.40]雅典奥运会场馆 [00:43.42]The Athens Olympic Sports Complex (OAKA) [00:47.09]is situated at Maroussi [00:48.97]and was the centre of the Olympic Games 2004.

发表于:2018-12-26 / 阅读(196) / 评论(0) 分类 轻松英语之旅

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(113) / 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(149) / 评论(0) 分类 Scientific American(一)月

[00:00.00]4 Were the staff nice at the hotel? [00:05.50]Oh yesthey really went out of their way [00:07.50]to make us feel at home. [00:10.55]5OK,we'll drive to the restaurant [00:15.07]Do you know the way? [00:16.71]I'm not sure I remember ityou'd be

发表于:2019-01-10 / 阅读(271) / 评论(0) 分类 北师大版高中英语模块10(选修)

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(142) / 评论(0) 分类 VOA标准英语2010年(三月)

The Asian Cup football (soccer) tournament kicks off in Doha, Qatar, Friday, January 7, with defending champion Iraq to play North Korea, Iran and the United Arab Emiterates in Group-D play. Iraqi football fans are also looking forward to 2013, when

发表于:2019-01-14 / 阅读(176) / 评论(0) 分类 VOA标准英语2011年(一月)

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(160) / 评论(0) 分类 TED演讲科学篇

By George Dwyer Washington 10 April 2008 On Friday, 11April, a major cultural and architectural event is set to take place in Washington: amassive new interactive museum complex dedicated to the profession of journalism will open its doors to the pub

发表于:2019-01-30 / 阅读(145) / 评论(0) 分类 VOA常速英语2008年(四月)

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(160) / 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(142) / 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(314) / 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(137) / 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(213) / 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(140) / 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(177) / 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(140) / 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(164) / 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(195) / 评论(0) 分类 TED演讲教育篇
学英语单词
anchor cylinder
anibine
auctifical
autogenic relaxation training
bo
body of pure yang
Callionymidae
Catellatospora
chromis leucura
coded digital communication
comme
concentration of output
constant altitude plan position indicator
cost per use
counterdemo
Cresylol
cross operation
degree of operating leverage
devast
disconnect anxiety
don't-knows
elderish
EMFBI
excited by
factory industry
flexible coupler
fuel rods
fuzzy constraint programming
generator protection for negative sequence current
global namespace
Greenberg's method
grumet
gynecology
hana
holosteoides
Idist
imaging mosaic
impel sb to do sth
indeclinable
indica
inquiry program
international financial center
intertupt
kincough
kitty party
lacquey
laryngeal muscles
manubriums
marginal unit
maximum cruising power
medium capacity memory
minime
MSG/WTG (message waiting)
multimaster replication
multiple rocket launcher system
myelodysplasias
Neoptolemus
nonpolicy
oligophrenias
orpimentum
overrates
overwithholds
Owen's lines
panjrapol
Patrick White
percussion of precordial area
pervert
pitottubecover
positive indication
pyrolysis time
radell
rated erection load
ready for any venture
Roaillan
Saar Basin
Sarcoscypha coccinea
service efficiency
shrewmouse
Sintana
slangrel
snork
software system construction
starting crank socket cap
tallow candle
text editor
theory of unemployment
transmitting valve
transpasses
Ullatti
undecanoate
unnilpentium
unthoroughly fixed
vegetation succession
viscous force
voice output
voting right
water mangetizer
whisperous
whooshes
wide-band dipole
wind shift line