单词:random sampling performance test
单词:random sampling performance test 相关文章
Doping in Sports Mia: This is ridiculous! Theyre going to suspend Eric Rodrigo for doping. Alex: From what Ive read, he failed his random drug test and they found performance- enhancing drugs in his system. Mia: But hes one of the best players on the
Test 1 Part A Conversation 1: W: Cathy has the habit of keeping us waiting for over 30 minutes. Maybe either you or I should give her a ring before each meeting. M: That's really a nuisance, but I'll do it if you want. Q: What will the man probably d
JEFFREY BROWN: And finally tonight, putting a price on the value of good teachers. A large and new study addresses just that. Ray Suarez has the story. RAY SUAREZ: The debate over testing in schools, and whether students' scores adequately reflect a
This is the VOA Special English Education Report. More than half the teachers in the Houston Independent School District, the largest in Texas, have earned merit pay awards this year. Marjorie Hunt-Bluford is one of them. The idea seems reasonable.
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
Cambridge 7 TEST 4 1. large numbers of=tens of thousands of=many 大量的2. large=massive=huge=enormous=vast 巨大的 adj. 3. resemble=look like=alike=much the same=akin to 相像 v. 4. foe=enemy=adversary=hostile 敌人 n. 5. more than=exceed=over
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
Education Report - How Much Should a Teacher's Job Depend on Test Scores? This is the VOA Special English Education Report. Students in Washington, DC, will return to classrooms this month to begin a new school year. But at least five percent of thei
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Bob Doughty. Our subject this week is sports doping. (MUSIC) VOICE ONE: Sports have long been part of popular culture. In the United States, some pl
Some students get so nervous before a test, they do poorly even if they know the material. Sian Beilock, a psychology professor at the University of Chicago in Illinois, has studied these highly anxious test-takers. SIAN BEILOCK: They start worrying
Understanding of English Improves Worldwide 全世界范围内英语理解能力增强 The worlds understanding of English appears to be getting better. The private education company EF recently released a report called English Proficiency Index. The
By Phil Mercer Sydney 02 October 2007 Australian refugee groups have criticized tests that require people to answer questions about the nation's history and culture to qualify to become a citizen. Critics believe the new measures will discriminate ag
I knew the answer to that question! I just couldnt remember it for the test! 我记得这个问题的答案,只是在测试中想不起来! Have you ever left an exam feeling this way? Its a common problem that students encounter, and the problem r
Smartphones have plenty of added functions and applications for savvy users to explore. But how well do you make use of your smart phone? Recently many people have been taking part in an online test designed to test their smartphone proficiency, and
EDUCATION REPORT - School Districts Approve Plans to Link Teacher Pay with Student PerformanceBy Nancy Steinbach Broadcast: Thursday, April 13, 2006 I'm Steve Ember with the VOA Special English Educat
Kids who eat better perform better in school, a new study of Nova Scotia fifth-graders confirms. Students who ate an adequate amount of fruit, vegetables, protein, fiber and other components of a healthy diet were significantly less likely to fail a
孩子的学习成绩与饮食健康息息相关 一项对新斯科舍省五年级小学生开展的研究证实,饮食习惯好的孩子学习成绩也比较好。 加拿大埃德蒙顿亚伯达大学的鲍尔?J?维格勒博士及其同事发现,饮
People who think about language talk about how the sounds of words bear no relation to objects in the world. Indeed, this has been a leading assumption in much of modern literary criticism, philosophy, and even linguistics. Not necessarily so, says B
Mr Thaler, an American born in New Jersey in 1945, spent most of his early career at Cornell University before moving to the University of Chicago in 1995. 赛勒,这位1945年出生在新泽西州的美国人,在1995年转投芝加哥大学之前,
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