新东方背诵文选 L27. 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 produc

美联社新闻一分钟 2008-05-24

1. Officials in Texas are taking the polygamist sect case to the state's highest court. Today they file their appeal of a lower court ruling which stated officials didn't have the right to take more than 400 kids from their parents. 2. Crews in Colo

考研英语长难句讲解 第330期

2002 翻译延伸 1、One difficulty is that almost all of what is called behavioral science continues to trace behavior to states of mind, feelings, traits of character, human nature, and so on. 【分析】多重复合句。句子的主干为One di

【英音模仿秀】世界人口增长趋势

文本：Fair enough, but in the longer term, the figures aren't going to be dominated by the likes of you and me. It's the birth of new people that will have the largest effect on future statistics. And here's where it gets interesting. For a long t

北师大初中英语九年级（全一册）--Unit 4-16

[00:00.90]Unit 4 Inventions and Inventors [00:04.80]Lesson 16 [00:09.87]Exercise 1.2 [00:13.52]Today's competition is about inventors. [00:16.74]I'll describe the inventors and all the four [00:19.58]groups here will guess who I'm describing. [00:22.

考研英语长难句讲解 第38期

17. In thre idealized version of how science is done, facts about he world are waiting to be observed and collected by objectives researcherswho used the scientific method to carry out their work. 【分析】复合句。句子主干为 facts...are w

新西兰英语 788 Matariki

Matariki is the Maori New Year. Just before dawn this morning, the seven stars of the Pleiades which Maori call Matariki, appeared in the sky. Some Maori iwi celebrate Matariki after the next full moon or at the next new moon. For Maori, it was a tim

吹小号的天鹅 第8期:一个拜访者(2)

I do not wish to be observed, complained the cob. 我不希望被谁观察，雄天鹅抱怨， I did not travel all this immense distance into the heart of Canada to be observed. 我可不是为了被谁观察才从大老远的地方赶到加拿大腹

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

Step by Step 3000 第1册 Unit4:Approaching Culture(1)

Unit 4. Approaching Culture. Part 1. Warming up. A. Keywords. gift, luck, Vocabulary. symbol, even,set, Argentina. People in all countries enjoy gifts, sometimes the meanings are different in different cultures. Listen to the following dialogues and

长期乏味工作及恶劣工作环境会影响员工的脑健康!

A new study from the Florida State University suggests that inadequate amount of stimulation in the workplace and an unclean working environment can both affect the brain functions of employees on the long run. 佛罗里达州立大学的一项新研究

复活节的由来英文版

复活节的由来按《圣经?马太福音》的说法，耶稣基督在十字架上受刑死后的第三天复活，因而把春分节(3月20日或3月21日)当日见到满月或过了春分见到第一个满月之后，遇到的第一个星期日设

介绍感恩节的英语作文

Thanksgiving is a holiday celebrated in much of North America, generally observed as an expression of gratitude, usually to God. The most common view of its origin is that it was to give thanks to God for the bounty of the autumn harvest. In the Unit

Chinese island province pilots in low-altitude test flight

HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part

Low-altitude airspace to open up across China from 2013

SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin

第133期:成为优秀领导者的秘诀

Over the years I have observed that some attributes of leadership are universal and are often about finding ways of encouraging people to combine their efforts, their talents, their insights, their enthusiasm and their inspiration to work together. Q

World's highest altitude swimming race kicks off

GUIDE, China, Jan. 12 (Xinhua) -- The 3rd International Extreme Race of Winter Swimming across Yellow River started here in northwest China's Qinghai Province on Saturday. Being hosted in Guide County at an altitude of 2,200 meters in Tibetan Plateau

万物简史 第206期:威力巨大的原子(20)

What this means in practice is that you can never predict where an electron will be at any given moment. You can only list its probability of being there. In a sense, as Dennis Overbye has put it, an electron doesnt exist until it is observed. Or, pu

双语有声阅读：科学理论

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 this is

找谁倚靠(慢速)04：改变高度 Change altitude

Change altitude 改变高度 Rebecca had decided that her best chance of getting hired by a company doing geological survey work in the Alaskan wilderness was to earn a private license to fly twin-engine planes. 丽贝卡觉得，要想进入在阿拉斯