单词：theory of testing of hypotheses
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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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6. They would try to decide what intelligence in huamns is really for, not merely how much of it there is. 【分析】复合句。本句的主干是 They would try to decide...。decide 后跟两个并列的宾语从句，分别由 what 和 how much
考研英语长难句讲解
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 found in the kinetic
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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
113 The Box That Watch Found
HEALTH REPORT-Testing for Pre-Diabetes By Nancy Steinbach Broadcast: April 17, 2002 This is the VOA Special English Health Report. American health experts say more people should be tested for a condit
健康与环境
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
新概念优美背诵短文50篇
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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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
新东方背诵文选
Grammar Girl here. Today I'm going to talk about on accident versus by accident and how language changes. Some of the most difficult questions I get are from non-native English speakers who want to know why we use a particular preposition in a specif
英语语法 Grammar Girl
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
健康与经济
Young Brains of Super-Agers From VOA Learning English, this is the Health Lifestyle Report. As we age, our ability to think and remember starts to deteriorate. But not everyone. Some of us have brains that age more slowly. Enter the super-ager! Super
2018年VOA慢速英语(三)月
考试日期： 2012 年 11 月 3 日 Reading Passage 1 Title: The dinosaurs footprints and extinction Question types: YES/NO/NOT GIVEN, Summary 文章内容回顾 文章从恐龙的脚印开始讲恐龙的灭绝。 英文原文阅读 Mass Extinction
雅思机经
Improve Your English by Testing Yourself English learners can improve their ability to remember and use new words by testing themselves. This idea comes from Sarah Lynn, an educational consultant and teacher at Harvard University's Bridge Program. Sh
2016年VOA慢速英语(八)月
The goal of rapid HIV testing in emergency rooms is to save lives and prevent the spread of HIV. The U.S. Centers for Disease Control recommends routine HIV screening of patients admitted to hospital emergency rooms, unless the patient refuses or opt
VOA标准英语2010年(七)月
EDUCATION REPORT - Educational Testing Service Begins New TOEFL Test By Nancy Steinbach Broadcast: Thursday, October 13, 2005 I'm Shep O'Neal with the VOA Special English Education Report. Last month,
教育与新闻
LONDON, April 11 (Xinhua) -- The Olympic Torch has passed rigorous testing to ensure even the worst of Britain's weather will not be able to put it out, the Evening Standard newspaper said Wednesday. Two prototypes withstood 50mph winds, extreme temp
英语新闻
An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh
英语新闻
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
流行英文歌曲
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
双语有声阅读
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
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