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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

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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

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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

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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

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[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.

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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

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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

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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

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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

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1. Former cabinet member and Wisconsin Governor Tommy Thompson made it official today he is running for president in no wait. He calls himself the reliable conservative. Thompson was Health and Human Services Secretary in President Bush's first term

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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

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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

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【生词预览】 plow 耕地， gallop 飞奔， veterianarian 兽医 【笑话原文】 ASmartHorse Therewasafarmerwhofellandbrokehishipwhilehewasplowing,andhishorseimmediatelygallopedfivemilestothenearesttownandreturned,carryingadoctoronhisback.

学个词Learn a Word 第1506: bearing

今天我们要学的词是bearing. Bearing is spelled b-e-a-r-i-n-g, bearing. Bearing 意思是关系，意义。我们常用 to have bearing on something 意思就是同某事有关系，对某事有影响。The decision had much bearing on the way

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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

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

英语美文：一切皆因有爱

1.One is always on a strange road, watching strange scenery and listening to strange music. Then one day, you will find that the things you try hard to forget are already gone. 1.一个人总要走陌生的路，看陌生的风景，听陌生的歌，然

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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

英语美文：只是个父亲 Only a Dad

Only a dad with a tired face, Coming home from the daily race, Bringing little of gold or fame, To show how well he has played the game, But glad in his heart that his own rejoice To see him come and to hear his voice. 只是个面带倦容的父亲，