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,

发表于:2018-12-07 / 阅读(102) / 评论(0) 分类 数学英语

EXPLORATIONS - Ancient Martian Conditions Could Have Supported Life From VOA Learning English, this is EXPLORATIONS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we report on recent scientific findings about the planet Ma

发表于:2018-12-07 / 阅读(58) / 评论(0) 分类 2013年VOA慢速英语(三)月

(m.i.a. Sample) hook no one on the corner have swagger like us swagger like us, swagger swagger like us no one on the corner have swagger like us swagger like us, swagger swagger like us no one on the corner have swagger like us swagger like us, swag

发表于:2018-12-17 / 阅读(66) / 评论(0) 分类 英文特辑精选

We sampled some of the chocolates sold at the store. 我们品尝了这店出售的一些巧克力。 sample可做名词和动词,名词表示样品,样本;作动词时表示取样检验;也可表示品尝,体验,试吃。 We can sample t

发表于:2018-12-25 / 阅读(119) / 评论(0) 分类 蒋健棠英语实用句子

Vistiors to Britain may find the best place to sample local culture is in a traditional pub. But these friendly hostelries can be minefields of potential gaffes for the uninitiated. 去英国的游客会发现传统英国酒吧是最能领略当地文化

发表于:2018-12-27 / 阅读(92) / 评论(0) 分类 英语听力小短文走遍全世界

That's why I'm heading to south Sussex. I've heard about an experiment happening right now to establish how much pesticide bees are really getting in the wild. So I'm joining in Professor Dave Goulson and his team to find out how they are going to do

发表于:2018-12-27 / 阅读(49) / 评论(0) 分类 探索与发现2014年

She was 40. She was tired. She felt tired all the time. She went to the doctor. The doctor asked, What's the matter? What's your problem? She said, I'm tired. I feel tired all the time. The doctor examined her. The doctor asked her a lot of questions

发表于:2019-01-02 / 阅读(68) / 评论(0) 分类 原版英语小短文

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 数学英语

Foragers Sample Nature's Bounty Today, most Americans get their food from the supermarket, but some are even going beyond farmers markets or backyard gardens for fresh produce. They're learning how to forage for wild edibles. Earth Connection, about

发表于:2019-01-13 / 阅读(64) / 评论(0) 分类 VOA标准英语2011年(十二月)

NASA: Ancient Martian Conditions Suitable for Life NASA says there is new evidence that ancient Mars could have supported microbial life. NASA's Curiosity rover has drilled into a rock near an ancient stream bed on the Red Planet, and the rover has a

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2013年(三月)

NASA Launches Mission To Retrieve Ancient Asteroid Dust play pause stop mute unmute max volume 00:0003:12repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

发表于:2019-01-16 / 阅读(92) / 评论(0) 分类 2016年NPR美国国家公共电台9月

By analyzing different samples of lava, Herrero / Bervera has built up a picture of how the filed has changed since long before humans were around. They are actually the recorders of the Earth's magnetic field in hundreds of years, thousands of years

发表于:2019-01-22 / 阅读(80) / 评论(0) 分类 自然百科2011年

Words: content to go away I don't suspect blog to dumb down opinion poll random sample Gallup Poll pollution global warming Green Party recycle proper nouns COB = Close of Business

发表于:2019-01-22 / 阅读(51) / 评论(0) 分类 美语听力 English Cafe

Even for NASA nebulae are too far away to visit, so they've built one of their own here on earth, 40 years ago scientists peered into the clouds of dust and gas created from the remains of stars, and to their surprise, found not just elements but org

发表于:2019-01-23 / 阅读(86) / 评论(0) 分类 探索与发现2015年

She goes to the market. She wants to buy blueberry muffins. She is not sure if it tastes good. She finds an employee, and asks for a sample. The employee cuts a small piece, and gives it to her. She tries it. It is good. She buys the pack of muffins.

发表于:2019-01-24 / 阅读(46) / 评论(0) 分类 英语第2级听力-English Level 2

By Jeffrey Young Washington 07 November 2007 Every presidential aspirant uses opinion polling data to shape his or her campaign in the quest for the White House. In this segment of How America Elects , VOA's Jeffrey Young looks at the vital role of p

发表于:2019-02-06 / 阅读(100) / 评论(0) 分类 VOA常速英语2007年(十一月)

WASHINGTON, May 27 (Xinhua) -- The U.S. military has accidentally sent live Anthrax to a private lab in Maryland, U.S. media reported Wednesday. The U.S. Defense Department is currently investigating the inadvertent transfer of samples containing liv

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 cctv9英语新闻2015年

Jupiter Moon to Be Searched for Life去欧罗巴寻找生命 And this mission would be NASAs first mission that is directly tasked with searching for signs of life on another world since the Viking Spacecraft were given that task back in the 1970s on

发表于:2019-02-14 / 阅读(103) / 评论(0) 分类 2017年Scientific American(三)月

Topics: Ask an American - Participatory Science; to attend versus to take part in versus to participate in versus to join; standalone versus to stand alone; hair of the dog that bit me Words: limited taxa citizens science project sample to involve th

发表于:2019-02-15 / 阅读(69) / 评论(0) 分类 美语听力 English Cafe

Topics: Cook-offs and bake-offs; public health codes; a software evangelist; to look forward to; sandwich versus hamburger Words: to grill competition judge chili recipe to sample sponsor code sanitary inspection grade to revoke evangelist to look fo

发表于:2019-02-15 / 阅读(57) / 评论(0) 分类 美语听力 English Cafe