泊松大数定律

It is often said that cats have nine lives, that they are lucky enough to escape from danger again and again. Here is a science fiction tale about how one such lucky escape by a cat led to a discovery that was able to change the course of people's l

发表于:2018-12-07 / 阅读(166) / 评论(0) 分类 英语散文阅读

With a strong poison spray aimed at a bunch of flying insects, it's easy to imagine several of them falling together at the same time. Because flies are small and dirty creatures, we do not much care if many die at once. However, when it comes to hum

发表于:2018-12-07 / 阅读(198) / 评论(0) 分类 大千世界

Types of Speech Standard usage includes those words and expressions understood, used, and accepted by a majority of the speakers of a language in any situation regardless of the level of formality. As such, these words and expressions are well defin

发表于:2018-12-07 / 阅读(289) / 评论(0) 分类 高级听力练习

By George Dwyer Washington, D.C. 31 July 2006 watch Living Wage report Lawmakers in the Midwest U.S. city of Chicago have approved a measure requiring large-scale discount stores to pay their employees a so-called living wage. As VOA's George Dwyer

发表于:2018-12-08 / 阅读(175) / 评论(0) 分类 2006年VOA标准英语(七月)

[00:02.02]Unit 22 Environmental Protection [00:06.60]Lesson 3 Unnatural Disasters [00:10.92]Hell and High Water [00:13.46]The last few years have been the worst period [00:16.21]on record for environmental disasters [00:19.22]and experts are predicti

发表于:2018-12-13 / 阅读(162) / 评论(0) 分类 北师大版高中英语模块8(选修)

Now, back to the mole. Not that mole. 现在,回到摩尔,不是鼹鼠。 This mole. Yep, this number has a second name.The mole. 这个摩尔,没错,这个常数有另一个名字,摩尔. Chemists use the term mole to refer to the quantities

发表于:2018-12-18 / 阅读(116) / 评论(0) 分类 TED演讲教育篇

星级典句: 第一句:A large number of bedspreads we ordered from you last year were found soiled when they reached us. 我们去年订购的大量的床罩到达我方时已经受损了。 A: A large number of bedspreads we ordered from you l

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 天天商务口语

[00:06.97]An Israeli study has shown that air pollution from cities and industry can reduce rain and snowfall. [00:17.53]It says the problem appears to be linked to the number of pollution particles in clouds. [00:24.82]Daniel Rosenfeld of Hebrew Uni

发表于:2018-12-26 / 阅读(100) / 评论(0) 分类 美国英语听力80篇

By Sabina Castelfranco Rome 31 October 2007 The number of illegal immigrants arriving in Italy from African war-ravaged countries like Somalia, Eritrea and Ethiopia shows no signs of easing despite rough seas and colder temperatures in the Mediterran

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 2007年VOA常速英语(十月)

谈到视角,很多同学可能会问,当我谈论视角的时候,我在说什么。看以下GRE考试中的一句话: The large number of physiological and behavioral similarities between birds and mammals, which have separate evolutionary h

发表于:2019-01-03 / 阅读(137) / 评论(0) 分类 GRE英语

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- the story of one of life's little truths. RS: It's a law we all live under, and it goes this way: If anything can go wrong, it will. It's known as Murphy's Law. AA: Murphy was E

发表于:2019-01-18 / 阅读(155) / 评论(0) 分类 英语单词大师-Word Master

Number 1001 and 1002 Give me a cup please. Which one? Is dirty one? No, not this dirty one. That clean one. Number 1003 and 1004 Give me a glass please. Which one? That full one? No, not that full one. This empty one. Number 1005 and 1006 Give me a b

发表于:2019-01-23 / 阅读(170) / 评论(0) 分类 英语学习乐园

BEIJING, May 23 (Xinhua) -- China's top legislature has invited the public to give feedback on the enforcement of the Law on Protection of the Disabled, in a bid to check the law's implementation. Till June 30, the public can log on www.npc.gov.cn, t

发表于:2019-02-01 / 阅读(160) / 评论(0) 分类 英语新闻

By Sabina Castelfranco Rome 13 May 2007 Hundreds of thousands of demonstrators have staged rallies in Rome to commemorate Family Day. At issue is proposed legislation that would grant greater rights to unmarried couples including homosexuals. Sabina

发表于:2019-02-02 / 阅读(198) / 评论(0) 分类 2007年VOA标准英语(五月)

By Challiss McDonough Cairo 09 July 2006 Not a single opposition or independent newspaper was for sale Sunday in Cairo because of a strike over a controversial proposed press law. The same issue brought hundreds of journalists into the streets to pr

发表于:2019-02-05 / 阅读(157) / 评论(0) 分类 2006年VOA标准英语(七月)

托福语法讲解:限定词

发表于:2019-02-07 / 阅读(103) / 评论(0) 分类 英文语法词汇

Key Sentences(重点句子) 494.We want to order a large number of paintings. 我们要订购一大批画。 495. Is there a discount for buying in large quantity? 大批订购有没有折扣优惠? 496.We are running a special offer now.

发表于:2019-02-18 / 阅读(92) / 评论(0) 分类 实用英语

BEIJING, April 11 (Xinhua) -- Chinese music writers are enraged over a draft amendment to the copyright law as they believe it would diminish their professional rights if passed. However, legal experts suggest the writers misunderstand the draft and

发表于:2019-02-19 / 阅读(143) / 评论(0) 分类 英语新闻

To establish a more standard and transparent environment around charity donations in China and encourage involvement, the draft of the country's first charity law will be discussed during the Two Sessions. The country's first Charity Law-- a heated t

发表于:2019-02-25 / 阅读(162) / 评论(0) 分类 cctv9英语新闻2016年

It took more than a year for the drafting, reviewing, and the final pass of the new security-related legislation in Japan. Many scholars and members of the public cast doubts on the motives of the legislation, and the legal basis of it. One Japanese

发表于:2019-03-03 / 阅读(221) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
acephalothoracic monster
acrodendrophily
actionality
American snakebird
anthropotechnics
auto crosslinking
bad plea
ballistic body
bammer
boost dose
bovine cysticercosis
bupkes
calcic-plastic composite material
Catharists
change one's condition
coco-de-mer
coefficient of respiration
colinearity
combined assesment of system
commodity-linked instrument
courageously
curvularia brachyspora
DC-pumped
did good
dideoides coquilletti
diffractogauge
Djowol
El Buste
ellisville
ellmanns
Eupatorium amabile
fomentation
freebsd
fresh crime
get on well with
glider table
hexacyclonate sodium
hydroxyskatol
ideokinetic apraxia
impulse sprinkler irrigation
inductance-capacitance-resistance
intromit
Jacob's method
Kjeldahl-Gunning method for nitrogen determination
Kymn
laboratoryscale
lateral magnifying power
logic programing
long u
long-term investments
Macedonianness
magma pocket
magnetic fossil
make an impact on
maltwood
mami-tuberculus
meassure
mind-body
molecular toxicology
negley
niveous
nourish a serpent in one's bosom
nutsiness
old-oil
orbicular diorite
overhead code
overload coefficient
PCIA
philosophist
plagioclasite anorthosite
play-field
pogonia urnigerum(l.)palis.
posterior longitudinal ligament injury
production-orientateds
prosporange
Quigley
quintillion
receiving line
rope without twist
saint elias mountains
semipalatinsks
sequential file mode
shell-fish
sigmatron
somonauk
sps-s
stationary and printing
stopping rules
Strawberry River
T.R.S.
technical reports
tetradactylous pedicellaria
ticket business
tired iron
torque constant
transreal
us-time
utility man
varying hares
wax moulding
well released
WMA Lossless