韦格纳学说;魏格纳大陆漂移说

[00:04.49]Scientific Attitudes [00:06.97]科学的态度 [00:09.46]Science had its beginning when man started asking questionsabout his environment. [00:14.18]科学起源于人类开始对自身环境产生疑问的时候. [00:18.91]He wondered where the sun went at night an

发表于:2018-12-04 / 阅读(129) / 评论(0) 分类 大学英语自学教程上

(woman) In our lab today, we'll be testing the hypothesis that babied can count as early as five months of age. The six babies here are all less than six months old. You'll be watching them on closed-circuit TV and measuring their responses. The exp

发表于:2018-12-05 / 阅读(175) / 评论(0) 分类 托福听力短文

SCIENCE IN THE NEWS - Plate Tectonics By Marilyn Christiano Broadcast: Tuesday, February 17, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm Sarah Long. Graphic Image

发表于:2018-12-07 / 阅读(167) / 评论(0) 分类 科技之光

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. VOICE TWO: A massive earthquake in China's Sichuan province earlier this year was the country's worst in more than 30 years. And I'm Barbara Klein. Scientists who study

发表于:2018-12-07 / 阅读(116) / 评论(0) 分类 VOA慢速英语2008(十)月

托福阅读的问题,归根结底就是读不懂:文章读不懂,或者问题和选项读不懂。一切所谓的解题技巧也是为了帮助我们读懂,而不是在读不懂文章的基础上仍然能够解题。在一篇700多单词的文

发表于:2018-12-19 / 阅读(124) / 评论(0) 分类 托福英语

Idiom: Off the record 非正式的,不记录下来的事 Hit the book: Likelihood Strain Incorporate Well-being Complement Be consistent with Hypothesis

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 趣味青春英语

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(127) / 评论(0) 分类 英语听力广播—Listening

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(五)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and

发表于:2019-01-11 / 阅读(128) / 评论(0) 分类 VOA慢速英语2007年(六)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violen

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 2011年VOA慢速英语(一)月

Earth is Always on the Move 地壳总是在运动的 From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors ar

发表于:2019-01-11 / 阅读(120) / 评论(0) 分类 2013年VOA慢速英语(八)月

SCIENCE IN THE NEWS - The Moving Story of Plate Tectonics FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Scientists who study the Earth tell us the continents and ocean floors ar

发表于:2019-01-12 / 阅读(168) / 评论(0) 分类 2012年VOA慢速英语(一)月

Earth's Surfaces Are Always Moving 地球表面一直在运动 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors are always moving

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2014年VOA慢速英语(四)月

The story of plate tectonics begins with the German scientist Alfred Wegener in the early part of the twentieth century. He first proposed that the continents had moved and were still moving. He pointed out a line of mountains that appears from east

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 英语时差8,16

SCIENCE IN THE NEWS - Plate Tectonics: Nature's Way of StretchingBy Nancy Steinbach Broadcast: Tuesday, April 18, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barba

发表于:2019-01-30 / 阅读(234) / 评论(0) 分类 2006年慢速英语(四)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and mig

发表于:2019-01-31 / 阅读(146) / 评论(0) 分类 2010年慢速英语(一)月

There was also the problem, demonstrated by Rutherford and Soddy early in the century, that Earthly elements hold huge reserves of heatmuch too much to allow for the sort of cooling and shrinking Suess suggested. And anyway, if Suess's theory was cor

发表于:2019-02-25 / 阅读(149) / 评论(0) 分类 万物简史

Wegener developed the theory that the world's continents had once come together in a single landmass he called Pangaea, where flora and fauna had been able to mingle, before the continents had split apart and floated off to their present positions. A

发表于:2019-02-25 / 阅读(158) / 评论(0) 分类 万物简史

Taylor came from a wealthy family and had both the means and freedom from academic constraints to pursue unconventional lines of inquiry. He was one of those struck by the similarity in shape between the facing coastlines of Africa and South America,

发表于:2019-02-25 / 阅读(129) / 评论(0) 分类 万物简史

在托福阅读备考过程中,没有一点心机是不行的!我们在选资料,练真题,解题等方面都要有方法有技巧的进行,以下是小编这个心机girl给大家推荐的几点心机秘籍,助力大家早日取得托福阅

发表于:2019-03-04 / 阅读(178) / 评论(0) 分类 托福英语
学英语单词
888 number
Acer pictum subsp. mono
achlya cambrica
affect display
agoraphobia
amide transferase
Anseranatini
antimonial soap
askiatic
backwardization
bank prime interest rate
Basolan
Belimer bleacher
bfore
bushing center
Chipaxche
choice-start
coincidence selection
computer-aided learning
couper's cabin at hump crest
craniotopography
crankshaft case
cupmakers
die handle
dihole
drouery
electrospinograph
elementary symmetrical polynomial
Emmelichthyops
endrudges
expanding with a punch
external integrating capacitor
ferrite materials
ferroakermanite
fixed end beam
for term of life
getting drunk
Globigerinidae
go out and about
grams per cubic meter
haircoat
halogeton
haneg
have a monkey on a up the chimney
heir-less
Hiangzang
implied assumpsit
infangthef
isopropene cyanide
Jabir
Jcon
Kas'yanovo
kiichi
lansets
lepley
line equalization
Maesa membranacea
magnetic prism spectrometer
magnitude-frequency relation
maximumly
motor side
neodymium glass-yttrium aluminum garnet laser therapy
nested query
news aesthetics
nokesville
observation gallery
parasporins
plumbates
proved reserve
proximity sensing
pyrenophora avenae
pyrophyllite sleeve
pyroxyle
refined model
reformalized
Saussurea pectinata
short-and slight in figure
single-ship operation
storage operation
straight run chick
straight-line lower bound
structural analysis software
structured language
stucco keratosis
stun-guns
subadviser
substruct
sulfamoyls
Taraxacum sinomongolicum
tintinnabulating
tomentosus
tranquilizations
transmission resonance
Trypadine
Uherský Brod
underbills
United States Frequency Standards
utility card input
variational approach
ydad
yearly instalment
Youkounkoun, Rég.Adm.de