[数] 分式代数

The happiness of life is made up of minute fractions the little soon forgotten charities of a kiss, a smile, a kind look, a heartfelt compliment. 生活中的快乐是由一些小片断组成很快被遗忘的亲吻、微笑、关爱的眼神、由衷的

发表于:2018-12-02 / 阅读(192) / 评论(0) 分类 Daily English-2017.02

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(230) / 评论(0) 分类 PBS访谈教育系列

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(235) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 数学英语

by Jason Marshall In the last episode, we talked about exactly what decimal points and decimal numbers are, and why they are so convenient to use. In the next few weeks were going to continue talking about decimals and their place in the world of mat

发表于:2018-12-07 / 阅读(243) / 评论(0) 分类 数学英语

As part of the cooperation between China and the UK in education, more and more British primary school teachers and their Chinese counterparts have been conducting exchanges in a bid to learn from each other. A group of over 30 Chinese math teachers

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute? Stuck on a tricky math problem? Start clapping. Grade school kids who learned about fractions through a rhythm-and-music-based curriculum outperformed their peers in t

发表于:2018-12-24 / 阅读(252) / 评论(0) 分类 Scientific American(三)月

图片1 图片2 by Jason Marshall In the last article, we discovered that integers alone are not sufficient to fully describe the world around uswe need the fractions existing between the integers too. (In learning that, we also learned that fraction

发表于:2019-01-02 / 阅读(327) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that

发表于:2019-01-02 / 阅读(362) / 评论(0) 分类 数学英语

by Jason Marshall Todays article is about decimal points and numbers and how theyre related to fractions. But first, the podcast edition of this tip was sponsored by Go To Meeting. Save time and money by hosting your meetings online. Visit GoToMeetin

发表于:2019-01-02 / 阅读(314) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(348) / 评论(0) 分类 数学英语

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(228) / 评论(0) 分类 VOA标准英语2010年(三月)

Which is correct: A dozen eggs is? Or A dozen eggs are? 哪个是正确的:a dozen eggs 'is' 还是 a dozen eggs 'are'? I remember being in elementary school, and my teachers making a big deal about the unit. 我记得上小学的时候,我们老

发表于:2019-01-17 / 阅读(229) / 评论(0) 分类 TED演讲教育篇

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(213) / 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(394) / 评论(0) 分类 英文语法词汇

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(277) / 评论(0) 分类 实用英语

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(236) / 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(223) / 评论(0) 分类 TED演讲国际问题篇

Back in 2003, the UK government carried out a survey. 早在2003年,英国政府进行了一项调查。 And it was a survey that measured levels of numeracy in the population. 目的是了解国民的算术能力。 And they were shocked to find o

发表于:2019-02-14 / 阅读(201) / 评论(0) 分类 TED演讲科学篇

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(284) / 评论(0) 分类 TED演讲教育篇
学英语单词
-us
absinthe oils
acro-cephalosyndactyly
after the expiry of the agreed notice
agathe
air art
backing a bill
balkanss
beaver tree, beaver-tree
bittacus sonani
bobtown
bouzanne (la bouzanne riviere)
bytime
cap type
cardiac decompression
Castanopsis choboensis
cavings blower
Ceterach officinarum
chromecolours
civilmilitary
CODAP
compressors
cost of upbringing
crown closing machine
customer-led
cyanotic kidney
cypselurus naresii
damped condition
deClick
degree of separation
detached service
dombe
economic revival
employee stock purchase plan
external wave
freedom of thought
frontooccipital diameter
geographtype
geophily
gheorghe
give the palm to
habitual dislocation
haploxylonoid
Hill Mari
hrynko
instantaneous death rate
intolerance of shade
joslyn
kinematical cosmology
l'artiste
leg stump
Livry
lock of metal for bag
mechanical isolation
melane
multi function architecture
multiflorus
natural fluoresence
naya
nijman
nondogmatic
Norfolk pine
one pulse delay
operator information area
orphan pseudovirion
ounce
out-pile
overall attenuation level
paramembranous cisternal system
pioneer investor
plant wide bonus plan
Poterium officinale
predetermined distribution method
pseudospiropes miscanthi
rangin'
RCA Corporation
reduced error pruning
regenerative power substation
Revolutionary Proletarian Nucleus
roll on & roll off facilities
rosalli
Rosie, Mt.
royal assent
Salu, Pulau
sludge paddock
smokes
spectacle lenses of other materials
spring-bearing
stall landing
stoccados
sulphindigotic
tapering shape
the young idea
Tiguabos
transporter crane
trialkylated
triviality
unlockable
vaunting
Vena brachiocephalica dextra
winke
world wide circular letter of credit