na. 【数】集论教学体系
[网络] 新数;新數;新数学运动

Today we remember a man who was considered one of the best teachers in the United States. Jaime Alfonso Escalante was born in nineteen thirty in La Paz, Bolivia. Both his parents were teachers. He taught math and science in his home country for twelv

发表于:2018-11-27 / 阅读(367) / 评论(0) 分类 2010年VOA慢速英语(十二)月

by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt

发表于:2018-12-07 / 阅读(52) / 评论(0) 分类 数学英语

by Jason Marshall A few weeks ago, we began talking about the meaning of prefixes in math. In particular, we talked about the prefixes used in the metric system to represent lengths smaller than one meter. Today, were going to continue this topic by

发表于:2018-12-07 / 阅读(50) / 评论(0) 分类 数学英语

by Jason Marshall Math is known for precision. Answers to problems are usually black-and-whiteright-or-wrongright? Its true that math is usually extremely precise, but ambiguity does occasionally creep in. Just like English, the language of math isnt

发表于:2018-12-07 / 阅读(67) / 评论(0) 分类 数学英语

by Jason Marshall In the first secret-agent math article, How to Use Math to Send Encrypted Messages, we learned how to decrypt messages secured with absolutely unbreakable encryption using nothing more than simple integer arithmetic. It was all grea

发表于:2018-12-07 / 阅读(34) / 评论(0) 分类 数学英语

Teacher Uses Music to Make Math Fun, Cool Making math fun The voice heard in the video belongs to mathematics teacher Jake Scott. Most of the performers are his students. Watching videos is not part of their daily routine but it is one of the essenti

发表于:2018-12-08 / 阅读(61) / 评论(0) 分类 VOA标准英语2013年(一月)

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

发表于:2018-12-16 / 阅读(135) / 评论(0) 分类 2016年VOA慢速英语(十)月

Alittleboytoldhisdadheflunkedhismathtest. Thefatheraskedhissonwhy. Thekidreplied,Themathwhizwhositsnexttomewasabsentonthedayofthetest. Notes: 1.Alittleboytoldhisdadheflunkedhismathtest. 一个小男孩告诉他爸爸,他的数学考试没及格 . f

发表于:2018-12-26 / 阅读(53) / 评论(0) 分类 英语笑话(MP3+文本)

She reads the math problem. John has three apples. He gives one apple to Mary. He gives another apple to Billy. How many apples does John have? She thinks. Three apples minus two apples is one apple. John has one apple. The answer is one. She shows h

发表于:2018-12-31 / 阅读(122) / 评论(0) 分类 儿童英语小故事

I still tend to move my fingers, almost subconsciously, when doing arithmetic. Well, that might not be so strange, according to research published in the May 8th issue of the journal Science. The report says that math and movement through space use

发表于:2019-01-02 / 阅读(114) / 评论(0) 分类 60秒科学

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 数学英语

by Jason Marshall This is our very first Math Dude article, and in honor of that were going all the way back to basics to answer some fundamental questions about math that should help you evaluate the status of your relationship with numbers. But let

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 数学英语

Approaches to math differ around the world. In Japan, millions of children study the abacus for fun after school. For many people, math can be intimidating. But Alex Bellos finds it intriguing. The journalist has degrees in mathematics and philosophy

发表于:2019-01-09 / 阅读(74) / 评论(0) 分类 VOA标准英语2010年(九)月

Teaching fewer basics in a more indepth way, Singapore method encourages young minds to think mathematically Faiza Elmasry | Washington, DC 10 August 2010 Photo: Courtesy Scott Baldridge Scott Baldridge with a group of elementary school math teachers

发表于:2019-01-13 / 阅读(59) / 评论(0) 分类 VOA标准英语2010年(八)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(81) / 评论(0) 分类 VOA标准英语2010年(三月)

The day of the math test was next Monday. He had three days to study. He did not like math. It was his hardest subject. He had to study in order to pass. He locked himself in his room. He turned off his phone. He shut off his computer. There could be

发表于:2019-01-17 / 阅读(48) / 评论(0) 分类 英语第3级听力-English Level 3

歌词如下: We like math! Minus or plus! Math is so much fun for us! One plus one is two. Two plus two is four. Four plus four is eight. You're clever! You're great! We like math! Minus or plus! Math is so much fun for us! Two minus one is one. F

发表于:2019-01-28 / 阅读(66) / 评论(0) 分类 英语儿歌274首

A Math Teacher's Story数学老师的魔法Years ago, I was taking an algebra class over the summer, and had a teacher who liked to reminisce about his past with funny stories. He relates that he had been a math teacher in the Air Force, where it was

发表于:2019-01-28 / 阅读(67) / 评论(0) 分类 英语小达人

In a typical classroom, youll find children who are exceptionally good at math while some struggle. Some kids seem to be particularly poor at math, though, showing difficulty even when routinely adding or subtracting even after extensive schooling. 在

发表于:2019-01-28 / 阅读(70) / 评论(0) 分类 阅读空间

EDUCATION REPORT - The Math Forum at Drexel By Jerilyn Watson Broadcast: Thursday, January 15, 2004 This is Steve Ember with the VOA Special English Education Report. Many students and teachers of mat

发表于:2019-01-30 / 阅读(59) / 评论(0) 分类 教育与新闻
学英语单词
aethylis
aluminium phenate
angular forceps
anterior wing
asymmetrical breasts
benzoylecgonine
better luck next time
blags
blow can
Blumea balsamifera
body polarization
borderline lepromatous leprosy
braces up
brickwoods
capitative
caste mark
Chacapalpa
charity principle
closed convex curve
Comptonia
copy edit
cosroes
couveuse
crevices
deligent
dermatodothis euonymi
digital fossae
ecoresponsive
eddered
Edy current test
electron-dense body
end point detector
fairway buoy engineering vessel
ferry dock
Ficus ruficaulis
fizzlings
flutes
grammatical category
guard personnel
half-chromatid
hasard
have bigger fish to fry
high speed simulation
hitting the fan
Kljakite
lighting source
looking-glass ore
medullary fold
mincid
mordant in dyeing
motherlode
multichannel discriminator
multiple microprocessor programming technique
multiple-layer inversion
non - english major
oblique marks
omnibused
output only mode
paired preference test
phoebastria nigripes
physical science
pilangiocarpy
pituitarium
principle of symmetry
Ptolemy's theorem
public indecency
pulmonary hepatization
radio polarimeter
refrigeration systems
rigid plastic foam
rooser
rotary tubular conveyor
sell her
sexual hyperesthesia
shock resistant
shock-simulating machine
single bar fabric
single map
sizzly
slide bridge
slow neutron reactor
somnolentia
spectral hole burning
spiralist
split extension of groups
standard PAL
supervisor configuration table
switch knives
symbolic tools
tough break
toy manchester terriers
transmission decay
transvestites
traversing speed
uncardinal
uprightnesses
valve discharge centrifuge
war stories
web design
wood-cutting
wych-alder
zone segregation