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This period is known as the time of the Migrations. 成千上万的人是否被打死，这并不重要，而成千上万的人却随后跟上。这个时期叫民族大迁徙时期。 It was the storm that swept up the Roman empire and whirled it in

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什么是RB? RB的全名是 Rhythm Blues，一般译作节奏怨曲。广义上， RB可视为黑人的流行音乐，它源於黑人的Blues音乐，是现今西行流行来和摇滚来的基础，Billboard杂志曾介定 RB为所有黑人音乐，除

TED演讲：重新定义字典(9)

So, enough scientists in other disciplines are really asking people to help, and they're doing a good job of it. 足够多的科学家在其它领域正寻求大家帮忙，而且大伙也干的不错。 For instance, there's eBird, where amateur bir

SSS 2008-09-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

科学美国人60秒 SSS DNA Points to Multiple Migrations into the Americas

DNA Points to Multiple Migrations into the Americas 美洲多次殖民迁移之谜 For more than ten thousand years, Alaska Native and Canadian First Nations people have lived along the Northwest coast of North America. Now, ancient remains have prov

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The Hammerheads Hammerhead These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve? One hypothesis is that having their eyes spaced far apart might give these sharks better 3D vision. Another hypo

考研英语长难句讲解 第124期

5.By 1996 foreign-born immigrations who had arrived before 1970 had a home ownership rate of 75.6 percent, higher than the 69.8 percent rate among native-born Americans. 【分析】复合句。句子主干为 foreign-born immigrations...had a home o

Horizon - Life On Mars 火星生命 - 14

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

VOA常速英语2008年-Environmentalists Support Moves to Curb Electro

By Gilbert da Costa Abuja 11 February 2008 Nigeria's leading environmental group has endorsed plans by the government to restrict the importation of used computers, in an attempt to control a growing e-waste disposal problem. From Abuja, Gilbert da C

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Stop making the eyes at me, I'll stop making the eyes at you And what it is that surprises me is that I don't really want you to And your shoulders are frozen (cold as the night) Oh, but you're an explosion (you're dynamite) Your name isn't Rio, but

VOA标准英语2010年-Australian Company Develops Junk-Track

This handout illustration image created by Australia's Electro Optic Systems (EOS) aerospace company shows a view of the Earth from geostationary height depicting swarms of space debris in Low Earth Orbit (LEO), 20 Jul 2010 Australian researchers say

【英语时差8,16】锤头鲨的锤头2

The Hammerheads Hammerhead These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve? One hypothesis is that having their eyes spaced far apart might give these sharks better 3D vision. Another hypo

英语听力：自然百科 大迁徙 Great Migrations—9

Females travel in family groups, sometimes leading their young on yearly wanderings of up to 20,000 miles. Each day, they gather to reaffirm their bonds. They seem to crave physical contact. Finally, the mothers disperse to feed in shifts. They leave

英语听力：自然百科 大迁徙 Great Migrations—4

Only the fit and the lucky will inherit the relay race of their lives. It is a race that is increasingly endangered like many of the world's great migrations. Climate change disrupts weather patterns and exploding human populations encroach on their

英语听力：自然百科 大迁徙 Great Migrations—1

They're born to move, to move or die, forging ahead against terrifying odds, navigating the first of millions of miles, spanning continents on fledgling wings, clattering ever onwards. Right now, our planet is on the march, on the wing, on the run, a

英语听力：自然百科 大迁徙 Great Migrations—17

The merciless yellow crazy ants take a terrible toll. But by sheer force of numbers and the inexorable will of their genes, they prevail. That is the fierce logic of migrations. But what is logical for the many can be madness for the few. At the Mara

英文歌曲:I Bet You Look Good On The Dancefloor

I Bet You Look Good on the Dancefloor Arctic Monkey Stop making the eyes at me, I'll stop making the eyes at you And what it is that surprises me is that I don't really want you to And your shoulders are frozen (cold as the night) Oh, but you're an e

China province mulls law on radioactive pollution control

LANZHOU, Feb. 11 (Xinhua) -- Northwest China's Gansu Province, home to the country's earliest nuclear base, plans to draft a new law on radioactive pollution control this year, the local government said Saturday. Lawmakers in the landlocked province

美国学生人类历史第138期:封建制 度(1)

Chapter 31 Feudalism 第三十一章 封建制度 How central Europe, attacked from sides, become an armed camp 欧洲中部受到来自三个方向的敌人威胁，变成了地道的大兵营。 and why Europe would have perished without those prof

GRE词汇词根整理：gram

利用词根记忆GRE词汇是一种较为快捷牢固的方法了，通过词根可以将一连串GRE词汇串联记忆。下面是GRE词汇词根的gram部分，希望能够帮助各位考生快速记忆GRE词汇。 gram = write ,something written