un. 预成论
[网络] 先成论
(theory of preformation 的复数)

New Theories on Keeping Slim Looking for my book, that’s what you do when you write a book. I can’t find mine; all I can find are 1)dirty novels, cookbooks and 2)diet books. Year after year cookbo

发表于:2018-11-28 / 阅读(121) / 评论(0) 分类 疯狂英语2004年

Traveling in Time You cannot change the laws of physics ... but could physics actually enable us to travel through time? It might sound crazy, but according to Einstein's theories, there's no logical reason why time travel isn't possible. Time travel

发表于:2018-11-30 / 阅读(106) / 评论(0) 分类 英语标准美文100篇

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.92]2004 [00:07.64]Many theories concerning the causes of juvenile delinquency [00:11.28](crimes committed by young people) [00:13.29]focus either on the individual or on society [00:16.36]a

发表于:2018-11-30 / 阅读(112) / 评论(0) 分类 历年考研英语完型填空

Broadcast: Jan 22, 2003 By Marilyn Christiano VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, Explorations. Today we tell about a scientist who

发表于:2018-12-07 / 阅读(78) / 评论(0) 分类 VOA2003(上)-科技导航

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 produc

发表于:2018-12-15 / 阅读(164) / 评论(0) 分类 新东方背诵文选

Section C Academy Award nominees (被提名的人) who go home (36) ______ may not have a shiny Oscar to show off, but they may turn out to be the bigger winners in the game of life. According to a study published in British Medical Journal, Oscar-wi

发表于:2018-12-17 / 阅读(54) / 评论(0) 分类 英语四级听力-短对话

It takes you certain lime to learn new methods and accept the new theories. 需要花一定时间学习新方法、接受斩理念。 It takes you certain lime to learn new methods and accept the new theories. 需要花一定时间学习新方法、接

发表于:2018-12-18 / 阅读(71) / 评论(0) 分类 商务英语初阶

Today I'm going to talk about work. And the question I want to ask and answer is this: Why do we work? Why do we drag ourselves out of bed every morning instead of living our lives just filled with bouncing from one TED-like adventure to another? You

发表于:2018-12-28 / 阅读(80) / 评论(0) 分类 英语语言学习

2. Theories centering on the individual suggest that children engage incriminal behavior because they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through interation with others. 【分析】多重复

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 考研英语长难句讲解

5. The brain finds it best to keep smell receptors available for unfamiliar and emergency signals such as the smell of smoke, which might indicate the danger of fire. 【分析】复合句。句子主干为 The brain finds it best to keep smell recep

发表于:2018-12-30 / 阅读(60) / 评论(0) 分类 考研英语长难句讲解

Most women have never heard of the Heidi/Howard study. 大多数女性从未听说过海蒂/霍华德研究, Most of us are never told about this downside of achievement. 我们中的大多数人也从未听说过这项研究的负面结果。 Stil

发表于:2019-01-02 / 阅读(57) / 评论(0) 分类 向前一步

Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 VOA2003(上)-科技先知

台湾籍旅美老师今天交给我们的句子是: At this point, you and your competitive cousin have reached what game theorists call a Nash Equilibrium - the point where neither of you can improve your position by deviating from your current s

发表于:2019-01-07 / 阅读(45) / 评论(0) 分类 留美老师带你每日说英文

Rebecca: So, what do you think are some theories are then about that could lead into helping, you know, prevent crime? Gareth: Well, there's a story that I once read about, and it's the New York Subway, on how there was so much crime on the New York

发表于:2019-01-25 / 阅读(53) / 评论(0) 分类 英语趣味课堂

EXPLORATIONS – Albert Einstein By Marilyn Christiano Broadcast: Wednesday, February 23, 2005 VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, E

发表于:2019-01-28 / 阅读(83) / 评论(0) 分类 Explorations

WASHINGTON, May 4 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Wednesday that its Gravity Probe B (GP-B) mission has confirmed two key predictions(预测预言 ) derived from Albert Einstein's general theory

发表于:2019-01-28 / 阅读(111) / 评论(0) 分类 英语新闻

One big advantage you have in China is the long-term approach. In Europe, we have elections every four years and sometimes, you know, a new government comes in, some changes might be announced and in the second year slowly changes are happening, in t

发表于:2019-02-14 / 阅读(66) / 评论(0) 分类 2016CRI中国国际广播电台

讲解文本: bunk 床铺,铺位 top bunk 上铺 lower bunk 下铺 I like the lower bunk when I take a train. 坐火车我喜欢下铺。 Tom is sleeping on the top bunk now. Tom现在在上铺睡觉。 疯狂练习吧!

发表于:2019-02-23 / 阅读(297) / 评论(0) 分类 愉悦口语

Australia, meanwhile, has been tilting and sinking. Over the past 100 million years as it has drifted north toward Asia, its leading edge has sunk by some six hundred feet. It appears that Indonesia is very slowly drowning, and dragging Australia dow

发表于:2019-02-25 / 阅读(101) / 评论(0) 分类 万物简史

If the axis-tilt theory had been refuted, 倘若地轴倾斜理论被观察否定了 its defenders would have had nowhere to go. 它的支持者们就无路可退了 No easily implemented change could make that tilt 没有什么信手拈来的变动能

发表于:2019-03-04 / 阅读(98) / 评论(0) 分类 TED演讲教育篇