人教全日制普通高中英语（必修）高三UNIT4-2

In his youth Charles Darwin enjoyed all the freedom to experiment and do whatever he liked. The study of physics, chemistry, and later botany, was his hobby. At the age of 22, Darwin was invited to join the scientific expedition on the Beagle. During

英文故事剧 遗传学之父(Father of Genetics)

讲到遗传学，我们不能不提孟德尔。他的研究奠定了遗传学和现代生命科学的基

专业术语—基因专业词汇M/N

M 畸形 malformation 描图 mapping 标记 marker 黑色素瘤 melanoma 孟德尔 Mendel, Johann (Gregor) 孟德尔遗传 Mendelian inheritance 信使RNA messenger RNA (mRNA) [分裂]中期 metaphase

高中英语人教版必修第三册07

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

高中英语人教版必修高三07

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

温馨夜读II PART4 4.The Father of Genetics

[00:00.63] 4.The Father of Genetics [00:04.55]His name is introduced to biology students, but often forgotten after the final exam. [00:10.76]His pioneering discoveries went unnoticed by the world until years after his death. [00:15.88]But now, in th

澳大利亚中学英语b UNIT6-7

[00:00.00]Unit 6 In the laboratory [00:04.70]1.Listen,read and practice in pairs. [00:11.47]Do you like to do experiments in a laboratory? [00:16.54]What is a science class like? Let's see what these people are doing. [00:23.90]Teacher:Good morning,e

[单词解析速记].JV525.(Galvanize.and.Ineluctable)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

[单词解析速记].JV536.(Prevaricate.and.Rationalize)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

英语语法：105 When Should You Capitalize Titles?

Grammar Girl here. Last week we talked about capitalizing words in the business world. Today we're going to talk about capitalization in general. If you recall, in English, we capitalize proper nounswords that name a specific thing or person, words s

英语语法：106 When Should You Capitalize Words?

Grammar Girl here. In today's episode, well talk about capitalizationits overuse and its misuse in the business world. Lets talk about why capitalization of some words is a capital idea, and why uppercasing other words could be considered a capital o

英语语法：151 “Use” Versus “Utilize”

Grammar Girl here. Today guest-writer Bonnie Trenga is helping us talk about two sets of words that listeners get confused: pleaded guilty or pled guilty, and use or utilize. Plead Versus Pled Mike from Georgia is transitioning from law enforcement t

VOA标准英语2011--Undersea Cable Could Revolutionize Ocean

UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research

VOA常速英语2007年-US Criticizes Vietnamese Detention of US Citize

By Matt Steinglass Hanoi 11 December 2007 Vietnam has been holding four Vietnamese-born American citizens since late November, accusing them of terrorism. The U.S. ambassador to Hanoi has criticized Vietnam's conduct in holding the U.S. citizens. Mat

Not Adopting EU Constitution Will Marginalize Britain, Warns

Michael Drudge The principal architect of the European Union constitution says Britain will be left on the sidelines of Europe, if it rejects the treaty in a referendum. The warning about Britain's pl

万物简史 第145期:基本物质(17)

Mendeleyev dutifully completed his studies and eventually landed a position at the local university. There he was a competent but not terribly outstanding chemist, known more for his wild hair and beard, which he had trimmed just once a year, than fo

万物简史 第146期:基本物质(18)

Mendeleyev used a slightly different approach, placing his elements into groups of seven, but employed fundamentally the same principle. Suddenly the idea seemed brilliant and wondrously perceptive. Because the properties repeated themselves periodic

万物简史 第148期:基本物质(20)

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

万物简史 第144期:基本物质(16)

Despite the occasional tidyings-up, chemistry by the second half of the nineteenth century was in something of a mess, which is why everybody was so pleased by the rise to prominence in 1869 of an odd and crazed-looking professor at the University of

PEOPLE IN AMERICA - Milton Berle

PEOPLE IN AMERICA – April 28, 2002: Milton Berle By George Grow VOICE ONE: I’m Mary Tillotson. VOICE TWO: And I’m Doug Johnson with the VOA Special English program PEOPLE IN AMERICA. Today, we t