准平衡理论

23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh

发表于:2018-11-28 / 阅读(177) / 评论(0) 分类 疯狂英语易背作文

生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal

发表于:2018-11-30 / 阅读(167) / 评论(0) 分类 王强英语美文

The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and

发表于:2018-12-06 / 阅读(115) / 评论(0) 分类 113 The Box That Watch Found

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(104) / 评论(0) 分类 数学英语

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(350) / 评论(0) 分类 新概念优美背诵短文50篇

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(160) / 评论(0) 分类 河北加拿大版初中英语

[00:08.59]Great scientists [00:12.25]John snow defeats king cholera [00:19.38]John snow was a well-known doctor in London--- [00:25.42]so famous, indeed, that he attended queen Victoria to ease the birth of her babies. [00:33.46]But he became inspire

发表于:2018-12-13 / 阅读(144) / 评论(0) 分类 高中英语人教版必修

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(210) / 评论(0) 分类 新东方背诵文选

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 健康与经济

Global View - Big Bang Theory (C0094) A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves,velocity, cool stuff. B: Yeah, yeah, b

发表于:2019-01-07 / 阅读(81) / 评论(0) 分类 纯正地道美语

By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi

发表于:2019-01-07 / 阅读(106) / 评论(0) 分类 2007年VOA标准英语(八月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(十)月

63 火星的神秘运动 DATE=6-27-01 TITLE=SCIENCE REPORT - The Motion of Mars BYLINE=Mario Ritter (Start at 59

发表于:2019-01-30 / 阅读(92) / 评论(0) 分类 科技之光

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine a family with three children.

发表于:2019-02-14 / 阅读(77) / 评论(0) 分类 环球英语 Spotlight

Todd: So Greg, we're talking about controversial issues and one of the issues in your book is income disparity. So, what do you think about minimum wage? Greg: Minimum wage. Minimum wage I think is very important to have otherwise employers are going

发表于:2019-02-16 / 阅读(78) / 评论(0) 分类 英语趣味课堂

Economics brief: six big ideas. 经济概要:六大经济思想。 Game theory: Prison breakthrough 博弈论:越狱 The fifth of our series on seminal economic ideas looks at the Nash equilibrium. 六大经济思想之五纳什均衡。 JOHN NAS

发表于:2019-02-17 / 阅读(72) / 评论(0) 分类 经济学人财经系列

美剧《生活大爆炸》搞笑主题曲:Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年

发表于:2019-02-20 / 阅读(114) / 评论(0) 分类 流行英文歌曲

Do you think of yourself as a bit of an expert at board games like chess or Go? Maybe you're not quite as good as you think. New research from the University of Manchester and the University of Oxford suggests complex games like these are impossible

发表于:2019-02-21 / 阅读(66) / 评论(0) 分类 英语听力精选进阶版

Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir

发表于:2019-02-27 / 阅读(152) / 评论(0) 分类 趣谈英语

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(137) / 评论(0) 分类 OMG美语
学英语单词
a store of
abortive sortie
Aguilas Seamount
air snap gauge
areal packing density areal storage density
at loose ends
barrage reception
boudon
Buffalo River
bundesrepubliks
Can I interest you in something
carib indians
casing centrilizer
child endangerment
chilenses
coalinga
colour difference
constant density surface
coredraw
corporate makeover
creamlet
crow foot crack
data communication program communication block
depreciation of gross earnings
diadic Boolean operation
diaphorite
dipso
discharge pit
downward accountability
el tabaco
erythroblastomatosis
every-night
facial appearance
feel cheated
fiancine
file searching requirement
fine (grinding)sugar
fitting plate
five - o'clock
foreheadedness
form address operation
French leave
generator master supply valve
genus Eacles
ghastfulness
hand channel
haraea japonica sacc. et syd.
heavy clay loam
in equilibrio
in microcosm
in-marriage
kenk-
kill the bill
Klerka, Mys
koniology
laid fire lambert
latching network
Libanotis condensata
m-phthalic acid
maximum percentage modulation
meanspiritedly
merli
mog
Mogholgay
musculi rectus inferior
national economic complex
natural bitumen
Nepeta tenuiflora
night flight chart
Novarad
on-line debugging technique
Passp.
Petrocosmea flaccida
photosynthetic parenchyma
platinum sulfate
pneumatic finisher
price fluctuation reserve
priming pump
pull button
pumpable concrete
quiescent period
re-offended
residual error rate
roofracks
run-in
saracco
simple mail transfer protocol
spectacled bear
spinning-cup sequenator
starkened
steel oneself to do something
tardocillin
toyamycin
Tristan da Cunha Fracture Zone
Turnverein
ultramicro-technique
Uromys
water cooled vibrating stoker
wax disk
way-back
Weethalle