地外沉积

Who would have ever thought that a creature with an extending 1) turtle-like neck, a finger as bright as a nightlight, or a 2) penchant for Coors beer would translate into hundreds of millions of doll

发表于:2018-11-28 / 阅读(277) / 评论(0) 分类 疯狂英语2002年

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(九)月

When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bea

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 2016年Scientific American(十)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(十一)月

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(113) / 评论(0) 分类 托福听力短文

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 Scientific American(四)月

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(125) / 评论(0) 分类 VOA标准英语2012年(十月)

What then of manned space exploration? 那载人的空间探索呢? The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

发表于:2019-01-18 / 阅读(122) / 评论(0) 分类 TED演讲商业篇

The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t

发表于:2019-01-19 / 阅读(149) / 评论(0) 分类 世界各地新闻集锦

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(177) / 评论(0) 分类 经济学人综合

The first human inhabitants(居民 ) of North America settled at least 2,500 years earlier than the people previously identified as the first Americans. So say archaeologists, who have unearthed a trove of stone artifacts belonging to the early A

发表于:2019-01-31 / 阅读(109) / 评论(0) 分类 英语新闻

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(156) / 评论(0) 分类 英语新闻

首先,我建议同学们不要上完辅导班就去参加考试。虽有趁热打铁之说,但是我相信绝大部分同学在上课期间已经把大部分的精力用于听讲和记笔记了,回家之后基本上就直奔安乐窝了。能够

发表于:2019-02-14 / 阅读(159) / 评论(0) 分类 雅思英语

Topics: Movies - E.T.: The Extra-Terrestrial; The MacArthur Fellows Program; important versus significant versus critical; tough; navel-gazing Words: extra-terrestrial alien to be stranded to lure psychic highest-grossing foundation genius merit no s

发表于:2019-02-15 / 阅读(104) / 评论(0) 分类 美语听力 English Cafe

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 托福英语
学英语单词
anticamouflage
antiepilepsirine
average returns
bailee of goods
Bakewell Pudding
base path
beachcroft
Bhiwandi
bomb target boat
bravehood
Cabourg
canine-tooth
church-book
classical education
coarse aggregate concrete
compete on an equal basis
coniglio
conversion of null field
criticality conditions
crowd pleasing
deil's buckie
deprotonate
diplobiontic yeast
disposition by public sale
dissymmetrical net
eloi
employment termination compensation
engravements
excuse from
exoccipital
family tabanidaes
faussett
fire arrow
Friendly Islands
gastric chromoscopy
gimbal pick-up
go outside the bounds of
Holland formula
hot sheets
Huaina Capac
incense
incisure
indigirka rivers
inequality restriction
input drift
international financial centre
issue in fact
jet assist
kettung
kiss-curls
kulinna
latter part
legal corporation
long hundreds
longhill
Lyell I.
m. glut?us maximus
Madura foot
mean terrain clearance
meatbag
meitauza
miniboom
MSMs
negative throat nozzle
pair skating
pearcey
Pelotas
pendulum method
physicked
pinchers
Pinkster
pre-born
proactive monitoring
redundant flow signal
right of independent trial
run-time implementation
rypia
Sabeism
safety window
sastri
scapulocoracoid
schmidtiana
Semi-Open Games
Senhouse
shipsey
signal control code
siphany
Solanum chrysotrichum
speed limit switch
St-Germain-du-Bel-Air
stand sheet
stationary cable crane
stepbairn
sub-press
tabasheer(tabaschir)
Tween-40
undersea coal field
user program structure
voreward
warehou
weighing cell interval
zooters