二段随机抽样

Lesson 34 Text A Stage Fright Tom was sick with disappointment. The piano recital ha.d turned out well, all except for his solo. He couldn't understand how it could have happened. He had practised for

发表于:2018-12-02 / 阅读(277) / 评论(0) 分类 初级口语教程

Mike: Dad, look, I need a favour, I'm late for my night class and the car won't start. Jason: Ok, here. Take mine. Mike: Great! Jason: And I'm running low on gas. Here's a twenty. Mike: Oh, gee whiz dad. Thanks. Maggie: Jason that was Mike. Jason: I

发表于:2018-12-05 / 阅读(175) / 评论(0) 分类 成长的烦恼第六季

Why do you need a boy who's a brilliant reader?Annie asked the man. Because I have just lost two fairies! he said. Hepointed at Jack. You can read both!And you are nuts, thought Jack. Well, bye, see youaround, he said. He nudged Annie to move along.

发表于:2018-12-10 / 阅读(185) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

For years, actor Taro Alexander tried to hide his stutter, but an unplanned pause changed his life. It's Friday morning once again, which means it's time for StoryCorps. This project records people across the country talking with each other about th

发表于:2018-12-19 / 阅读(210) / 评论(0) 分类 2007年NPR美国国家公共电台

今天我们要学的词组是set the stage。 Set the stage的意思是为某件事做好准备,提供条件。比如,希拉里.克林顿06年再次当选参议员,为她08年竞选总统提供了条件 -- The reelection set stage for her pres

发表于:2018-12-30 / 阅读(181) / 评论(0) 分类 英语每日一词

QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q

发表于:2018-12-31 / 阅读(208) / 评论(0) 分类 商务英语必备1000字

1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9

发表于:2019-01-03 / 阅读(203) / 评论(0) 分类 财会英语

CAIRO, Dec. 15 (Xinhua) -- The first stage of the referendum of Egypt's draft constitution ended Saturday night at 11:00 p.m. local time (2100 GMT). Due to the high turnout, the closing time of the referendum was extended from 7:00 p.m. local time (1

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 英语新闻

1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three

发表于:2019-01-21 / 阅读(137) / 评论(0) 分类 天天商务口语

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-26 / 阅读(178) / 评论(0) 分类 英语单词荟萃

发表于:2019-02-01 / 阅读(184) / 评论(0) 分类 财会英语

Emotional farewell to King of Pop Michael Jackson's family and fans have said farewell to the pop superstar at an emotional memorial service. Jackson's daughter Paris, 11, fought back tears to describe him as the best father you could ever imagine.

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 英语新闻

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(169) / 评论(0) 分类 英语每日一词

今天我们要学的词是center stage。 Center stage, 中央舞台,引伸为注意的焦点。Abortion opponents saw their issue take center stage during Supreme Court nominee Sotomayor's confirmation hearing, 反堕胎者看到,他们所关心的

发表于:2019-02-08 / 阅读(181) / 评论(0) 分类 英语单词荟萃

MADRID, Aug. 27 (Xinhua) -- Joaquin Rodriguez won his second stage of this season's Vuelta de Espana (Tour of Spain) cycle race, which finished in the town of el Escorial on Saturday. Rodriguez was the strongest finisher on the steep ramp at the end

发表于:2019-02-08 / 阅读(175) / 评论(0) 分类 英语新闻

BEIJING, June 28 (Xinhua) -- Agricultural Bank of China (ABC) is set to raise up to 23.2 billion U.S. dollars in the world's largest listing, according to the price range the lender set for its shares. ABC said late Monday in a statement(声明)

发表于:2019-02-08 / 阅读(177) / 评论(0) 分类 英语新闻

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(142) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(173) / 评论(0) 分类 实用英语

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(155) / 评论(0) 分类 英语口译

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8

发表于:2019-02-27 / 阅读(226) / 评论(0) 分类 王培廷分级书单三 James Marshall - Fox系
学英语单词
-azam
-motine
a-except-b gate
aberrant reading
abundance of water
Actinostroma
Alumoeschynite
antitrypanosomal
balled plant
basic life level
beam coaming shoe
brannockite
bulla ampulla
caricaturesque
character sensing
circulative
cleans up one's act
compound self-excited diesel generator set
counterculturalism
customer equipment(ceq)
deuteroammonium
diflucan
digger chain
dillyful
Elaeocarpus angustifolius
elementary errors
equity invest
fjeldet
flock paper
FM stereo
forecaster
function of the spleen and stomach
galley-range
gamma-radiation counter
general utility tools
Glycerius
gugion
half-filled end-slots
health salts
highsensicon
hold the phone
hyperhedonism
iDevice
incantatoes
input scanner
J. I. T.
jouncier
Karakum
kyphosus cinerascens
laminar conditions
long-wave directional antenna
lung dryness
magnetically confined plasma
maize cutting attachment
make a comparison of
Metajarlite
minimum operation
model of public relations
multiple-user connection(s)
muscli lumbricales pedis
net fuel
nitrophile
non-monetary information
non-realizable savings
only love
oved
parried
parsenn
pebble structure
photodynamic
photoscanner
power switching over panel
pre-aeration
proportional-speed-floating control
psionically
quaternary diagram
recurrent pulses
refumigating
register of judgments
renal index
SCWS
shephards
shorthness of breath
single-string voltage divider
sociatry
spin acceleration
spooniest
steam generation unit
steam-gas cycle
straight cup wheel
sw pump
Synotis longipes
take a breather
tery
turn-broaching machine
unitarily isomorphic flow
urea fermentation potential
vauxhall gardens (london)
vdrugs
watermonster
writing off