北极星序

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(224) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(220) / 评论(0) 分类 数学英语

[00:10.50]1 Read the questions,then listen tot he tape. [00:16.35]Decide which statements are true and which are false and tick the correct box. [00:23.41]Write the correct information in the correct boxes beside the false statements. [03:21.51]LISTE

发表于:2018-12-13 / 阅读(248) / 评论(0) 分类 高中英语人教版必修

Megan loved bears more than anything else in the whole world. She had a polar bear, a grizzly bear, a panda bear, and even a koala bear. She had other animals too, but it was only the bears that got to sleep in Megans bed at night. Each night before

发表于:2018-12-18 / 阅读(126) / 评论(0) 分类 Children’s Stories-儿童故事集

Our first story this December 14th baby, it's cold outside. Two-thirds of the United States, the eastern two-thirds, are seeing record-breaking winter temperatures. Some places have recorded their coldest December day ever. What means, this could be

发表于:2018-12-19 / 阅读(157) / 评论(0) 分类 CNN美国有线新闻2016年12月

A new study has found that the Arctic's iconic polar bears are finding it harder to hunt for food due to melting sea ice caused by climate change, putting the species at a growing risk of extinction. Researchers from the United States Geological Surv

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(276) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(209) / 评论(0) 分类 2014年ESL之商务英语

Oh, hello squirrel! 哦,你好松鼠! Hey it's me! 嘿,是我! It's a long way to the North Pole. 去北极要走很长的路。 I'd better go tell Mother Bear I am leaving. 我得去告诉熊妈妈,我要走了。 What on earth has happene

发表于:2018-12-28 / 阅读(139) / 评论(0) 分类 天才宝贝熊

Who am I! 我是谁! You are a Polar Bear. 你是一只北极熊。 A polar bear? 一只北极熊? Don't you know me Owl? 难道你不认识我了吗,猫头鹰? I don't know any polar bears. 我不认识任何北极熊。 You're sure I'm a po

发表于:2018-12-28 / 阅读(137) / 评论(0) 分类 天才宝贝熊

Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang

发表于:2018-12-30 / 阅读(323) / 评论(0) 分类 国家地理2007年

She worries a lot. She worries about polar bears. They are big, white bears. They live in the north. They need snow. They need ice. They need cold weather. There is too much pollution. Pollution heats up the Earth. Heat melts the ice. The ice is the

发表于:2018-12-31 / 阅读(278) / 评论(0) 分类 儿童英语小故事

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(250) / 评论(0) 分类 Scientific American(八)月

Extreme Cold Freezes Much of United States From VOA Learning English, this is In the News. A weather system known as a polar vortex brought dangerously cold weather to large parts of the United States this week. A polar vortex is a cold, thick low pr

发表于:2019-01-12 / 阅读(171) / 评论(0) 分类 2014年VOA慢速英语(一)月

BBC Learning English Weekender Polar Explorer Amber: Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to an interview with explorer, Rosie Stancer. In March, Rosie sets off on her latest expedition walki

发表于:2019-01-16 / 阅读(225) / 评论(0) 分类 Weekender

Fanny: Brian, my last question seems too serious. Brian: It was. It was a very academic kind of question. Fanny: Yeah. Brian: You're testing me Fanny. Fanny: Sorry for that. I would also like to ask you some funny questions. Brian: OK, hit me. Fanny:

发表于:2019-02-05 / 阅读(139) / 评论(0) 分类 原版英语对话1000个

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(182) / 评论(0) 分类 英语听力练习题

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

发表于:2019-02-18 / 阅读(214) / 评论(0) 分类 英语新闻

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A tall man stands s

发表于:2019-02-21 / 阅读(191) / 评论(0) 分类 环球英语 Spotlight

Fanny: Brian, my last question seems too serious. Brian: It was. It was a very academic kind of question. Fanny: Yeah. Brian: You're testing me Fanny. Fanny: Sorry for that. I would also like to ask you some funny questions. Brian: OK, hit me. Fanny:

发表于:2019-02-24 / 阅读(133) / 评论(0) 分类 英语趣味课堂
学英语单词
a twice-told tale
air contaminant
AK-Nefrin
asset sensitive
automatic loader
Bezold's sign
bitchat's ligament
black cat
built-out
cavanaghs
chain mapping
Chamaesaracha
chromatoptometer
collector heat removal factor
control dependence
corrosion border (corrosion rim)
dayclear
depressed marrow
devilishly
Dieffenbach's operation
difflations
diffusing power
electron curing coating
entropy of dyeing
eragrostic abyssinicas
Excentrodendron
family balistidaes
felix mendelssohns
flocculuss
fremont cottonwood
gads about
genus Ceratopteris
gram-scale
halhead
Have the guts
horizontal linearity coil
Integral Belt
intrafoliaceoous stipules
kaffirgram
kaonic
klystron control grid
l-s-ds
lambkins
leptotenes
load winding
marine west coast climate
mckeehan
Megamerinidae
membrane fouling
meta-morphopsed stratiform copper deposit
monocogue
multiplex wave winding
Naurskaya
negative regulator
neorealists
nerve process
no draft export
Novoaleksandrovsk
organosiliconpolymer
overarching
oxymuriate
pars propria (fasc. dors. medull. spin.)
personal organizer
portcullis
premium-gift
program suspension
Ramsey St Mary's
removement
request from
rescuer and self-rescuer
right hand engine
rood goose
rudimentary testis syndrome
salicylic acid amyl ester
scaling ladder
scrammed
seed ball
Serratula strangulata
sham madness
slag hearth
slurcork
South Williamson
splitting of levels
sprick
submaxillaryfossa
sydney-hobart
symptomized
synarthrodial cartilages
tabular value
Taiyin cold-dampness
teletype printer
TO us
trap rejection
turdy
two lanes canal
unhindering
user-ids
valuation at net selling price
vapour pressure curve
wensing
wheel animacules
Yahvism