单词:unbiased estimate of population variance
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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
[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
[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
by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,
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
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
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
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
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
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
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
IN THE NEWS - Immigrants, Births Put US on Way to Population of 400 Million by 2043By Brianna Blake Broadcast: Saturday, October 21, 2006 This is IN THE NEWS in VOA Special English. This week, the nat
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
今天我们要学的词是trait。 Trait, 特征。 A new study in South Korea shows that 1 in 38 children have traits of autism, 韩国一项最新研究显示,每38个孩子里就有一个孩子带有自闭症的特征。 Two-thirds of the child
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
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
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
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
台湾籍旅美老师今天交给我们的句子是: Okay, if this sounds like your worst nightmare, you're not alone. Actually, you are one of the estimated seventy percent of the population that has an intense fear of public speaking. 好的!如果