估计误差的方差

A: Could we go over some things, because I think my test score is wrong. B: What do you think is wrong, the math or the way your answer was scored? A: Both. B: I am willing to take a second look because teachers make mistakes, too. Will that work for

发表于:2018-11-30 / 阅读(210) / 评论(0) 分类 英语情景对话-大学生活

A: I was looking at my test score and think that it should be higher. B: Is the math wrong or the way the answer was marked? A: I think an answer got marked wrong that should have been marked right. B: These things can happen; let's double-check the

发表于:2018-11-30 / 阅读(252) / 评论(0) 分类 英语情景对话-大学生活

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(213) / 评论(0) 分类 英语情景对话-大学生活

[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(144) / 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(201) / 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(112) / 评论(0) 分类 2016年VOA慢速英语(八)月

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(160) / 评论(0) 分类 突破英文词汇

230. Venturing outside the major大胆尝试专业以外的领域 varied-venture A variety of options exist for todays college graduates. This is at variance with the situation of those in past generations. Most bosses seek a varied work force. There

发表于:2018-12-30 / 阅读(105) / 评论(0) 分类 胡敏托福词汇记单词

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(116) / 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(143) / 评论(0) 分类 四六级词汇与结构练习

Earth-Conscious Hotel Guests Re-Use Towels You - yes, you - can save the planet. That message is being spread across America - not by environmental activists but by ordinary business men and women, families on vacation, truckers and salespeople who w

发表于:2019-01-09 / 阅读(121) / 评论(0) 分类 VOA标准英语2012年(一月)

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(125) / 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(132) / 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(201) / 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(107) / 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(148) / 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(211) / 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(94) / 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(143) / 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(148) / 评论(0) 分类 GRE作文
学英语单词
aids-infected
Al Lisān
anion exchanger
armored infantry
assiminea affinis
automatic drip
B-operator
banked-up
basic dyes
batskins
brown speckle disease
burnwood
canaut
chlamydial conjunctivitis
cold zone
color shade of petroleum product
convergence parabolas
converting cost system
data carrier failure detector
deep sky blue
dialogue management
digital signal processor (dsp)
electronic thermal conductivity
fa shizzle
facepack
feet of clay foot
fellowable
fibrinbioplast
finishing gear shaper cutter
firm joint caliper
focusing optics
forward biased second breakdown
fructus piperis nigrum
galvanized coating
geohydrology
glass pocket
government-designated
grant granite
Grecian nose
greysteels
guarantee and indemnity
have one's own back on someone
Henrietta Maria, C.
hermetically-sealed cable
hilly land location
international pyrheliometric scale
interpolymeric
jump lead
La Perouse
Leymus chinensis
Linaälven
low-frequency electric smelting furnace
magnesio-
make one's testament
mercator cylindrical projection
natural aeration
Nazarite
Norwegia
nucex/nukex
offsetting position
on one's shoulders
ordinate movement
osculating circle
Osyris lanceolata
pangolins
parasitus
pardie, pardi
pharyngism
pinch off voltage
Primula elongata
pterographer
pulsed plate column
radio journalist
rage itself out
redistribution current
reduplicature
right-angles
Ruritanians
San Antonio, I.
scenario pivottable
screening technique
second level address
sequent
smoothing formula
Spirochaeta rossi
steam rollers
sweet pepperbush
symphyla
taking wrong train
tantalum(v) methoxide
tell-tale compass
text us
the purple
toxic dosage
troweler
UK funky
user virtual memory buffer address
vibration rig
When wine is in,wit is out.
wincyette
wind-dispersals
witness tampering