取样误差

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(323) / 评论(0) 分类 英语情景对话-大学生活

You wake up every day to do your hair and put on a smile baby You do your best to hide the pain u feel inside... babe Your eyes say that u will never trust another man again U need to know that there's a place in my heart for you So girl u don't... [

发表于:2018-12-01 / 阅读(323) / 评论(0) 分类 英文流行歌曲MV

图片1 图片2 图片3 图片4 图片5

发表于:2018-12-06 / 阅读(256) / 评论(0) 分类 斯伯恩自然拼音(MP3+PDF)

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error The Egyptian military admitted last week it made a mistake when sentencing a 4-year-old boy to prison for life. A mistaken identity and confusion inside the Egyptian court system

发表于:2018-12-08 / 阅读(248) / 评论(0) 分类 2016年VOA慢速英语(二)月

Father : Do you like Ray or Sam? Daughter: I like Ray. Father : Why? Daughter: Sam's OK, but Ray's taller, cuter and more interesting. What about you? Father : I like Sam better. Daughter: Why? Father

发表于:2018-12-08 / 阅读(695) / 评论(0) 分类 赖世雄初级美国英语

By George Grow Broadcast: July 6, 2003 (THEME) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Phoebe Zimmermann with the VOA Special English program, People in America. Today, we tell the story of Sam

发表于:2018-12-18 / 阅读(246) / 评论(0) 分类 VOA2003(下)-美国人文故事

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:2018-12-26 / 阅读(246) / 评论(0) 分类 大学生活-College Life

It is early evening and soon this amphitheater will be standing room only for the evening show. Bats, hundreds of thousands of Mexican Free-tailed bats, are hungry tornado that swirls out of New Mexico's Carlsbad Caverns each night in search of food.

发表于:2018-12-30 / 阅读(300) / 评论(0) 分类 国家地理2007年

NEW YORK, Aug. 30 (Xinhua) -- French Open champion Li Na committed 54 unforced errors and was eliminated in the first round of the U.S. Open by 53rd-ranked teenager Simona Halep on Tuesday. Li, seeded sixth, lost 6-2, 7-5 to Romania's Halep, sufferin

发表于:2019-01-11 / 阅读(245) / 评论(0) 分类 英语新闻

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:2019-01-22 / 阅读(188) / 评论(0) 分类 英语原版童书

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:2019-01-22 / 阅读(214) / 评论(0) 分类 英语原版童书

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:2019-01-22 / 阅读(204) / 评论(0) 分类 英语原版童书

By Lisa Schlein Geneva 06 August 2007 The World Health Organization says all countries, with the exception of Indonesia, are sharing their avian influenza viruses. WHO says the failure to share virus samples could retard the development of an effecti

发表于:2019-02-05 / 阅读(298) / 评论(0) 分类 2007年VOA标准英语(八月)

【中文解释】 errorist是指总是犯错却自认为正确的人,错误份子,瞪眼睛说瞎话。 【英文解释】 Someone who repeatedly makes mistakes. Says stuff he believes is true, but anyone with common sense can see he's wrong. A

发表于:2019-02-09 / 阅读(224) / 评论(0) 分类 美国俚语

图片1 图片2 图片3

发表于:2019-03-02 / 阅读(230) / 评论(0) 分类 加州英语分级GK

图片1 图片2

发表于:2019-03-02 / 阅读(212) / 评论(0) 分类 加州英语分级GK

图片1 图片2

发表于:2019-03-02 / 阅读(237) / 评论(0) 分类 加州英语分级GK

图片1 图片2

发表于:2019-03-02 / 阅读(210) / 评论(0) 分类 加州英语分级GK

图片1 图片2 图片3

发表于:2019-03-02 / 阅读(214) / 评论(0) 分类 加州英语分级GK

歌词如下: A ram sam sam, a ram sam sam Guli guli guli guli guli ram sam sam A rafi, a rafi, Guli guli guli guli guli ram sam sam A rafi, a rafi, Guli guli guli guli guli ram sam sam A ram sam sam, a ram sam sam Guli guli guli guli guli ram sam sa

发表于:2019-03-16 / 阅读(517) / 评论(0) 分类 英语儿歌274首
学英语单词
after-the-fact planning
air harbor
aire(american institute of radio engineers)
allocation number
aviation gas turbine engine
be calculated for
bead-rod model
bluesman
caisson open
Camel, River
Chilean
chute dogging
clearing heat-fire
crannogs
day night cycle
dehris
delivery by instalment
dialyser
digitisations
downy brome
drop stone (dripstone)
duell
Duolit
earth hunger
electron transport chain
erosive pustular dermatosis of the scalp
existentially quantified variable
extra-large scale integration
Fascia deltoidea
file overflow areas
fin-gers
final thermomechanicaltreatment
flammability limits
ft-l,ft.-l,ft-L
genitalss
geo-economic
Gerlos
give sb the road
group switching
homologizer
in the presence of
incisurae ethmoidalis
indexed projection
infrared absorption anisotropy
intergenic
investigation of facilities
irun
jackplugs
janusian
JSDR
Kompong Kandal, Prek
Koria
landing-places
laryngopharyngeus
leakocytoreaction
left-handed marriage
liquid phase thermal cracking
manabozhoes
mastiff
Matara Dist.
metahemoglobin
Modern Times
multiregional
new-onset
nimble dividend
nonbarbecue
on-off servo
operating deck
origin of petroleum
outwintering
pacative
palestines
palisading granuloma
passauite
philadel-phia
photographic astronomy
plane tary gear drive mechanism with small teeth difference
pliable cardboard cover
PMSI
red iron froth
relative damage factor
right hand end mill
ring-plane
Rome-penny
Santa Mercedes
service shopping system
shared leadership
shredden
solid bearing
Sotillo del Rincón
spatial-temporal
syncephalis parvula
tank cleaning opening
tarsal tunnel syndrome
test indole
three-channel stereo
trade-weighted value
tun-dish
urinous infiltration
vertical paddle mixer
Waterloos
yellow bells