样本平均差方

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(102) / 评论(0) 分类 英语情景对话-健康

发表于:2018-12-07 / 阅读(108) / 评论(0) 分类 知性英语

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 数学英语

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 英语情景对话-健康

能言善辩的口语句型和对话 能言善辩 Are you worrying about the non-execution of the contract and non-payment on our part? 你是否担心我们不履行合同或者拒不付款? Of course not!当然不! We must observe the contrac

发表于:2018-12-26 / 阅读(54) / 评论(0) 分类 天天商务口语

My Wagon Instead of an established home, my parents gave me something better:a gypsy wagon, so that I could make my home wherever I might be. My father built with boards of art, music, adventure, and deviation from the norms of society. My mother u

发表于:2019-01-01 / 阅读(153) / 评论(0) 分类 英语沙龙

So thank goodness for atoms. 所以,谢天谢地,有了原子。 But the fact that you have atoms and that they assemble in such a willing manner is only part of what got you here. 不过,有了原子,它们心甘情愿地聚集在一起,这只

发表于:2019-01-01 / 阅读(95) / 评论(0) 分类 万物简史

The undersigned parties hereby agree to form a _____________ (specify type of business entity), in the state of ___________, primarily for the following purposes: ______________ The principal place of

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 财会英语

为实现自己的留学之梦,无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(78) / 评论(0) 分类 GRE英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The 2008 Nobel Prize in physics goes to an American and two Japanese scientists for work related to symmetry in particle physics. In the early 1960s, Yoichiro Nambu of

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(十)月

我们在这次节目里要给大家介绍的两个习惯用语都有同一个关键的字。那就是fair。Fair这个字有很多解释。其中一个主要的意思是:公正或诚实。这也正是

发表于:2019-01-09 / 阅读(128) / 评论(0) 分类 美国习惯用语

The script of this programme 本节目台词 Shakespeare's statue in Leicester Square John: Hello and welcome to Leicester Square for this edition of On The Town from Learning English, I am John and with me is my colleague Lily. Lily: 大家好! 我是杨莉,

发表于:2019-01-16 / 阅读(105) / 评论(0) 分类 都市掠影

The script of this programme 本节目台词 Trafalgar Square in London Youling: Its the square for the tallest Christmas tree in London! Andrea: And the biggest New year celebration party! Andrea: For UK sporting victory parades! Youling: And large conc

发表于:2019-01-16 / 阅读(208) / 评论(0) 分类 都市掠影

Young men will go to great lengths, 年轻人对这种刺激。 to have that experience. 的感受更加深刻。 It's wired into us. 这种感觉输入到我们体内。 It's hormonally supported. 伴随着激素的作用。 The mortality rate for y

发表于:2019-01-18 / 阅读(68) / 评论(0) 分类 TED演讲娱乐篇

Below you will find a sample outline and the essay written from that outline. OUTLINE Paragraph 1 (Introduction) I. Leading sentence: It took me eighteen years to realize what an extraordinary influence my mother has been on my life. II. Summary of m

发表于:2019-01-20 / 阅读(126) / 评论(0) 分类 实用英语

Larry在帮李华写一篇报告,因为李华的电脑出了问题,她写的整个报告都丢了。今天李华会学到两个常用语:back to square one和killer. LH: 电脑出了问题,我写

发表于:2019-01-30 / 阅读(77) / 评论(0) 分类 美国之音《流行美语》

Millions of voters are streaming to the polls across Myanmar in the first relatively free election in a quarter of a century. Voters had lined up long before the polls opened Sunday to cast their ballots. The chief EU election observer in the country

发表于:2019-02-04 / 阅读(77) / 评论(0) 分类 英语新闻

金融英语考试辅导:常见保险条款英语(1) 保险条款1 (1)air transportation cargo insurance clauses. 航空运输货物保险条款 (2)air transportation cargo war risk clauses. 航空运输货物战争险条款 (3)American I

发表于:2019-02-18 / 阅读(60) / 评论(0) 分类 实用英语

GRE词汇指导:填空常用的单词集合之D字母 dazzle: v.1.使目眩 2.使昏眩,使惊诧不已,使倾倒debase: v.贬低(身份,人格,意义),贬值 debilitate: v.削弱的力量,使衰弱 decent: a.1.合宜得体的 2.高雅严肃的

发表于:2019-02-25 / 阅读(83) / 评论(0) 分类 GRE英语

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2019-02-27 / 阅读(109) / 评论(0) 分类 健康-Health
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