早期人类

Neanderthals are extinct, but they were the closest relative of modern humans. Up until about 30,000 years ago, human beings shared the Earth with Neanderthals. The two species were so close that they sometimes mated. Scientists have long believed th

发表于:2018-11-27 / 阅读(411) / 评论(0) 分类 2018年VOA慢速英语(十一)月

The cat and the dog were talking. The cat said, Humans treat us better than you. If we turn up our nose at the cat food they serve us, they buy us another brand. If we're sleepy, we can sleep on the pillows in their bed. The dog said, But humans take

发表于:2018-12-03 / 阅读(133) / 评论(0) 分类 英文短篇故事(纽约)

05 关于克隆人计划的争论 DATE=2-21-01 TITLE=SCIENCE REPORT - Cloning Humans BYLINE=George Grow (start at 59

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 科技之光

Broadcast: Jan 17, 2003 At the unveiling of the First Europeans exhibit, Ellen Futter, president of the American Museum of Natural History, offered reporters, 1) anthropologists and other scientists a

发表于:2018-12-08 / 阅读(170) / 评论(0) 分类 VOA2003(上)-科技先知

发表于:2018-12-08 / 阅读(264) / 评论(0) 分类 赖世雄中级美国英语

(MB) You'll recall that in last week's class I talked about how the sound made by most animals, though sometimes complex, are different from human language. Only in humans do these sounds represent objects and events. Keep in mind that most animals

发表于:2018-12-11 / 阅读(166) / 评论(0) 分类 托福听力短文

[00:06.24]For years, many scientists have considered walking on two legs as one sign of being human. [00:15.46]Early humans were not thought to have used their knuckle bones or other parts of their hands in walking. [00:23.59]Now, however, American s

发表于:2018-12-26 / 阅读(126) / 评论(0) 分类 美国英语听力80篇

Pre-Listening Vocabulary cell: a single functional unit of an organism reproduce: to make another living thing paternity: the state of being ones natural parent (esp. father) forensic: scientific evidence related to a criminal investigation Humans Sh

发表于:2018-12-28 / 阅读(106) / 评论(0) 分类 趣谈英语

1 Million Years B.C.: Humans Rare A study in the Proceedings of the National Academy of Sciences used genomic analysis of modern humans to reveal that the population of our ancestors a million years back was below 20,000. Karen Hopkin reports At one

发表于:2019-01-02 / 阅读(180) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS -May 7, 2002: Humans and Chimps: What's the Difference? / Thousands of Ancient Remains Found in Peru / Rice Genes Mapped VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 科技之光

Early modern humans didnt just chip away at stones to create their tools. They treated stone with fire in a sophisticated fashion, according to research published August 14th in the journal Science. About 72,000 years ago, our ancestors along coastal

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(八)月

Plants, Humans Share Sensory Awareness The Botanical Garden is a blooming paradise, about four hectares filled with a rich array of some 3,800 species drawn from Israels diverse landscape and from around the world. Danny Chamovitz, director of the Ma

发表于:2019-01-09 / 阅读(157) / 评论(0) 分类 VOA标准英语2013年(四月)

SCIENCE IN THE NEWS - Is Eating Like Our Ancestors Good For Us? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about evidence that early humans were meat-eaters much

发表于:2019-01-12 / 阅读(147) / 评论(0) 分类 2012年VOA慢速英语(十一)月

AS IT IS 2014-01-06 More Diseases Now Spreading from Animals to Humans 越来越多的动物疾病传播给人类 Hello, and welcome to As It Is from VOA Learning English. Im Christopher Cruise in Washington. Today on the program, we report on effort

发表于:2019-01-12 / 阅读(126) / 评论(0) 分类 2014年VOA慢速英语(一)月

Genome Shows Humans More Gorilla-like than Thought Sixty scientists worked over five years to sequence the genome of a single female lowland gorilla, the last of the great apes to have its DNA mapped. According to lead author Aylwyn Scally, of the Tr

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(三月)

Meat Was Main Dish for Early Humans Modern-day humans eat a lot of meat. Some nutritionists say perhaps too much. But fossils in Tanzania indicate that early humans considered meat a dietary staple much earlier than first thought. Whats more, meat ma

发表于:2019-01-14 / 阅读(129) / 评论(0) 分类 VOA标准英语2012年(十月)

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 There is a large square stone near a

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 环球英语 Spotlight

This is a story about the birds and the bees. When the Yao people of Mozambique want to find beehives full of honey they make this noise [brrrr-hm]. That sound attracts the attention of what are appropriately called honeyguide birds. If you ask Yao h

发表于:2019-01-20 / 阅读(154) / 评论(0) 分类 2016年Scientific American(八)月

From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about evidence that early humans were meat-eaters much earlier than scientists have thought. We also tell about an anci

发表于:2019-01-24 / 阅读(164) / 评论(0) 分类 英语语言学习

Smithsonian Museum opens new window on human origins Rosanne Skirble | Washington, DC 02 April 2010 Photo: Chip Clark, Jim DiLoreto, Don Hurlbert, Smithsonian Institution Five fossil human skulls show how the shape of the face and braincase of early

发表于:2019-02-12 / 阅读(148) / 评论(0) 分类 VOA标准英语2010年(四)月
学英语单词
'Ali Sabīh
a quiet conscience sleeps in thunder
AABPDF
acovering
afferent neurons
aideress
air aperture
Androsace sublanata
bearing torque resistance
benthia yaeyamae
biolite
blue print (blueprint)
capture gammas in shield
CLA (center line average method)
crib sheet
cryoforming
denationalism
depowering
Deschutes
dobsonfly
document of value
eco-organ
enunciates
ferric-cement
finel
flaxen cloth
Ganglion stellium
general purpose lathe
genus cassias
Gould, Jay
hagher
half siding
Heestert
hot-plate spalling test
icteric leptospirosis
idiopathic neuralgia
impact factors
impeccably
impi (international microwave power institute)
input crystal
integrated light intensity
jouet (france)
laser interferometer camera
learning type
lilyturf root
lonchar
low-value-added
Minas Gerais
mismatchings
Murphy drip
myelocytosis
naphthofluorene
neem trees
normal set
one-dimensional diffraction pattern
one-hundred-millionth
optical automatic gain control
orienting core barrel
OTC over-the-counter
Otoineppu
pale-coloured tips
Parcoblatta
PCO2A
piezoelectric(al)
platinizing bath
policy of containment
potassium alumminum sulfate
pull cut
pumped into
recirculation pump discharge
residence permits
right-left turning of the arm
risk detection
S. Res.
sacker auger
sarkar
sea cell horn mine
shadow pole
shank circumference
side plating
signing off on
silicon gate self-aligned technology
silver vine
snarl yarn
sole piece
spinal lemniscus
styptysat
terminate procedure
that's an idea
thomen
toddaculin
tool setup
triostin C
two-ways
ultrasonic nebulization
undefenced
unprincipledly
Ventilation-Perfusion
vinyl acetate
wharf apron track
xiaozhiling injections
yatt