最小变异不偏估计值

13 Liberal and Conservative News GLOSSARY rag a poor-quality, unimportant newspaper * Hennah writes for the local rag, but she dreams of becoming a reporter for anational newspaper. news coverage the stories and events that are discussed in a newspap

发表于:2018-12-03 / 阅读(109) / 评论(0) 分类 2010年ESL之餐饮娱乐

[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(123) / 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(171) / 评论(0) 分类 听电影学英语-天气预报员

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(140) / 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(92) / 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(104) / 评论(0) 分类 四六级词汇与结构练习

This is bigger than the Super Bowl. This is actually bigger than the Olympics. This is really a big deal for Africa, but its also a big deal for the United States. Because you know they really have something to prove. Much of the world sees them real

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 CNN2010年(六)月

在英语四级阅读理解题目中,常有考察作者态度的题目,大致可以分为以下几类,供大家来做下参考: 积极: approval 赞成,承认 approving 满意的 concerned 关心的,重视的 confident 自信的,确信的 complimentary 赞美的 impartial 全面的,公正的 objective 客观的 o

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 大学四六级阅读

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(104) / 评论(0) 分类 绿箭侠第一季

By Steve Herman New Delhi 17 August 2007 India was once thought to have the world's highest number of people with HIV -- the virus that causes AIDS. But the estimate was recently reduced by more than half -- down to 2.5 million from 5.7 million. The

发表于:2019-01-30 / 阅读(160) / 评论(0) 分类 2007年VOA标准英语(八月)

By Gary Thomas Washington 17 July 2007 A new U.S. intelligence estimate says al-Qaida remains determined to mount attacks on major targets in the United States, especially if it can acquire weapons of mass destruction. VOA correspondent Gary Thomas r

发表于:2019-01-30 / 阅读(154) / 评论(0) 分类 2007年VOA标准英语(七月)

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(173) / 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(87) / 评论(0) 分类 英语新闻

今天我们要学的词是 minimum。Minimum 最少的,最起码的。You need to keep a minimum balance of $250 in your checking account in order to avoid a monthly fee. 如果不想交月费,你活期帐户余额必须维持在250美元以上。

发表于:2019-02-04 / 阅读(130) / 评论(0) 分类 英语单词荟萃

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(125) / 评论(0) 分类 经济学人科技系列

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(156) / 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(75) / 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(110) / 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(128) / 评论(0) 分类 GRE作文

Todd: Hey, Greg, you got a great dog. Where did you get your dog? Greg: Actually, my dog and I sort of found each other. I was moving from one house to another and as I was moving from the parking lot to my house, I saw this really skinny dog that lo

发表于:2019-02-24 / 阅读(130) / 评论(0) 分类 英语趣味课堂
学英语单词
aichs alloy
anterior cornu (hyoid)
antileprotic
apparent arc
argue someone into something
barrow man
bicolorimetric method
bleeding line
Buller's ring
calesas
central outdoor router
charge and discharge phenomena
chemical bombs
color boiling room
confriar
constant pitch
Craigdarroch
cuprous oxide cell
cut ... up
cylinder-head bolt
desideus
dishumors
doubly truncated normal distribution
downwinders
drum fish
duncanson
enemy movement solver
enokson
eta patch
Faxälven
first in first out buffer memory
fish eye lens
floturning
gadolinium poison
gas-holder dry
gastrotourism
general service
good man
graduation interval
ground shape
haptonastic
hellerman
hydrofoil strut
hypervascularizations
initial basis
is it
Keur Demba Diallo
Let the dead bury their dead.
lowering of track
megalosaurs
mimoceracone
mixed oxide fuel fabrication plant
mock cream
mortalized
nonpredetermined
notarising
ophthalmophobia
orbital diamagnetism
orthogonal surface
overdiagnoses
overpressure method
P. P. A. P.
paeonin
parachutists
parallel analog-to-digital conversion
partial autocorrelation coefficient
photomicrography
pier
piggy-wig
primary syphilis
pteroptochid
puddled steel
QF01
racing-type foam-filled rubber fuel cell
re-maps
reciprocal trade
rode-lofte
roinish
s-works
search plane
sex harassment
short contract
short loaded
silver-fish
simeon stylites
skid row
smoke him
Stromgren fourcolour index
subclass Prototheria
subluxation of acromioclavicular joint
suit up
sulfur tuft
sustained overload
test-retests
ultra-distance
vacuum transfer
vista line
VIXS
vulgarizations
wall-mount
Williamson turn
zero-input terminal