方差的不一致性

Global warming deniers love to point to cold or snow as evidence against climate change. Like Oklahoma Senator James Inhofe. Remember last year, when he tossed a snowball in Congress? You know what this is? It's a snowball. It's very, very cold out.

发表于:2018-12-02 / 阅读(91) / 评论(0) 分类 2016年Scientific American(十二)月

[0-1:59.18]Do you know that the harder thing to do and the right thing to do... 你知不知道:难做的事和应该做的事... [00:04.98]are usually the same thing? 往往是同一件事? [00:07.98]Nothing that has meaning is easy. 凡是有

发表于:2018-12-07 / 阅读(99) / 评论(0) 分类 听电影学英语-天气预报员

[00:06.86]We'll let you know. 我们会通知你的 [00:26.98]-Russ is here. -Okay. -拉斯在这儿 -好 [00:29.74]-Where's Mike? -lnside. -迈克呢? -在里面 [00:38.90]-Dave. -Hi, Russ. -戴维 -嗨,拉斯 [00:39.70]He's upstairs. He's still

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 听电影学英语-天气预报员

AS IT IS 2016-08-30 Deaths From Lightning Strikes in US at Highest Since 2010 美国死于雷击人数创2010年以来新高 Two people in the United States died over the weekend after they were struck by lightning. 本周,美国有两人被闪电击

发表于:2018-12-08 / 阅读(56) / 评论(0) 分类 2016年VOA慢速英语(八)月

Crime is increasing world wide. There is every reason to believe the trend will continue through the next few decades. 世界范围的犯罪正在增加。有许多理由让我们相信这种趋势在未来的几十年将会继续。 Crime rates have

发表于:2018-12-27 / 阅读(126) / 评论(0) 分类 英语听力小短文走遍全世界

1. antagonize /n'tɡənaɪz/ vt. 对立 The official antagonized the leader of his own party by accusing him of cowardice. 那位官员谴责自己党内的领导人怯懦,与他产生敌对。 2. dissent /dɪ'sent/ vi. 反对 The vote approving th

发表于:2018-12-30 / 阅读(115) / 评论(0) 分类 突破英文词汇

英语四级同形异义词辨析10 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(64) / 评论(0) 分类 四六级词汇与结构练习

英语四级同形异义词辨析01 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 四六级词汇与结构练习

GRE考试词汇要求高,背单词压力很大。为了减轻这种压力,考生常会采取各种取巧的方法来背单词,这其中就包括了背词缀词根的方法。本文中小编为大家收集了11类GRE高频核心词汇中最常见的

发表于:2019-01-03 / 阅读(77) / 评论(0) 分类 GRE英语

And yet, in spite of that, artificial life support has been successful. Barely a year after the bankruptcy of Lehman Brothers, financial markets have stabilized, stock markets have rebounded, and the economy is showing signs recovery. People want to

发表于:2019-01-18 / 阅读(77) / 评论(0) 分类 财富精英励志演讲

I've got one question. 我有个问题 Why am I being fired? 我为什么被解雇了 Ms. Smoke, isn't it? Yes. 你是斯莫克小姐,对吗,是我 And I am without a doubt 我毫无疑问是 the single most valuable member of your technical divi

发表于:2019-01-29 / 阅读(79) / 评论(0) 分类 绿箭侠第一季

How to Safeguard Your Income Im a big believer in diversification. Putting all your eggs in one basket is dangerous, especially in your personal finance. Diversification is a good way to reduce your risks. The question is how we should go about diver

发表于:2019-01-31 / 阅读(137) / 评论(0) 分类 阅读空间

The reform of the housing registration, or hukou system, has been under way in most regions in China following the State Council's call to establish a unified household registration system for urban and rural residents in a document issued in 2014. 继

发表于:2019-02-03 / 阅读(64) / 评论(0) 分类 英语新闻

Science and technology 科学技术 HIV and AIDS 人体免疫缺陷病毒和获得性免疫缺陷综合征 Till death do us part 直到死神将我们分开 Putting numbers on infidelity 细数出轨之罪 ONE of the problems of dealing with a sexual

发表于:2019-02-05 / 阅读(100) / 评论(0) 分类 经济学人科技系列

第五讲:推理判断题 命题规律 综合性推论和判断试题常会围绕文章出题。 要求将篇首、篇尾、段落中主题句,概括归纳并从中推断出全文主题。 合性推

发表于:2019-02-05 / 阅读(69) / 评论(0) 分类 实用英语

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(115) / 评论(0) 分类 英文语法词汇

Todd: So, Eoin, we're talking about you playing this weekend. You're going to play in two cities. What's the set-up like? What's the routine like when you go to a club? Like how soon must you be there? You know, how long do you play, etc.? Eoin: Yeah

发表于:2019-02-06 / 阅读(52) / 评论(0) 分类 原版英语对话1000个

BEIJING, Sept. 6 (Xinhuanet) -- A short-term memory loss may suggest the Alzheimer's disease, according to a new study made by Spanish researchers. The finding was published on Monday, in Archives of General Psychiatry, an American Medical Associatio

发表于:2019-02-07 / 阅读(89) / 评论(0) 分类 英语新闻

我原来曾经给我的一个同学改作文,发现她经常写一些让我感觉哭笑不得的句子。 例如: At the first glance, the argument seems sound, but with a further look, I find it problematic. 前半句是忠实引用,后半

发表于:2019-02-09 / 阅读(105) / 评论(0) 分类 GRE作文

现在,我们拿GRE阅读NO题的NO8-1这篇文章做一个示范,来说明一下怎样提高新GRE阅读能力。 NO8-1,我们从词--句--篇章来谈谈这篇文章。 原文: Geologists have long known that the Earths mantle is heterogene

发表于:2019-03-11 / 阅读(138) / 评论(0) 分类 GRE英语
学英语单词
2.3-diphosphoglycerate
annual return of foreign trade
anovhaploid
aplanogametes
Argentine rice water weevil
bankeress
blackletter type
blister packaging machine
block activation
brachial nerve
caseful
cashewnut
chouinard
composures
control-display ratio
cryoplankton
cut off mold
deduplicated
diode oscillator
dollar shortage
doorknob capacitor
Egyptian wind
electropyrometer
emergency communication net
Erjian (Ex11)
eviseration
feather-cone red fir
feel reverence for
finger-tip adjusting
fuel assembly manipulator
full-bottom advance
fully functioning person
function in an acting capacity
fusulines
geobasin
germinating compartment
gravity-assist
grouchinesses
Gurdaspur
gym bunny
hardwood cutting methods
high altar
history of marine navigation
hydnocarpus oil
immiscible phase
incompatible method
indented documents
input-limited
jeremiads
Leucadian
Libocedrus plumosa
made a mountains of a molehills
magneto ignition system
mapped-out
moan out
molarization
mundu
Newly Revised Canon of Materia Medica
notomyss
Novocastrian
obtrectation
open-lattice
overbathing
photoluminescent thermometer
picture record
plectrum
plutonists
polyether
probasco
project research
PSGB
RAW image format
reactivity efficacy
rough calculation
Saint Vincent and the Grenadines
sanitizings
satellite of Saturn
servo stabilization
signal wave
simian
slaer
slag collecting bunch
sparse matrix package
specific form
spread sheet
squich
stereomicroscopic
Stern double layer
straight bills of lading
suckling sow
tachygastria
temperleys
temporary mold
text linguist
the sun sets on sth
thiogenal
uncomeliest
unmiters
unpatrollable
vibrational coupling
weight list