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数学英语 23 What are the Range and Standard Deviation?

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(106) / 评论(0)

数学英语

胡敏读故事记单词托福词汇152

152 an ardo credit ruler Some historical figures image is almost entirely monochromatic, black and white, in other words. Russians are, Ivan de terrible is one such person. He is known for making momentous changes in the way Russia was ruled. Primar

发表于:2018-12-30 / 阅读(167) / 评论(0)

胡敏托福词汇记单词

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(133) / 评论(0)

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VOA标准英语2012--NASA Satellite Offers Astonishing View of Venus Transit

NASA Satellite Offers Astonishing View of Venus Transit Skygazers massed outside the Smithsonian National Air and Space Museum in the U.S capital, eager to see the rare transit of Venus. The museum offered telescopes. People donned special protective

发表于:2019-01-13 / 阅读(66) / 评论(0)

VOA标准英语2012年(六月)

VOA标准英语2011--Artist Uses Light to Enchant Museum Goer

Kinetic artist Carlos Cruz-Diez was born and raised in Caracas, Venezuela, but has spent half of his 87 years in Paris. There he developed a worldwide following for works that challenge how we see color. His illusion-filled pieces are now on display

发表于:2019-01-14 / 阅读(84) / 评论(0)

VOA标准英语2011年(二月)

美国国家公共电台 NPR As East Mosul Comes Back To Life, West Mosul Remains In Ruins

MARY LOUISE KELLY, HOST: We're going to hear now about the two sides of life in the Iraqi city of Mosul. It has been three months since ISIS was forced out of the city. The fighting reduced one side, the west, to ruins. The eastern side of Mosul, tho

发表于:2019-01-16 / 阅读(104) / 评论(0)

2017年NPR美国国家公共电台9月

三步骤穿出曼妙好身材

Step 1 WEAR CLOTHES THAT FIT 第一步买合身的衣服 I believe that long, oversized tops and slim pants were overdone. Today the first step in a slim look is to wear clothes that are the right size, not too loose and definitely not too tight. Bu

发表于:2019-02-06 / 阅读(62) / 评论(0)

实用英语

英语PK台第699期:英语表现力训练课(22)

剧本与台词 Skipper: You, quadruped, sprechen sie English? 你，四只脚的，会说英语吗？ Marty: I sprechen. 我会啊。 Skipper: What continent is this? 这是什么大陆？ Marty: Manhattan. 曼哈顿。 Skipper: Hoover dam! We're st

发表于:2019-02-14 / 阅读(54) / 评论(0)

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【跟着美剧练发音】美剧美语834期

PENGUIN:What continent （大陆）is this ? ZEBRA:Manhattan（曼哈顿）. PENGUIN:Hoover Dam（胡佛水坝/惨）!Were still in New York.Abort（终止计划）.Dive（跳水，此处指下潜）!Dive!Dive. ZEBRA:Hey.You in the tux（燕尾服）

发表于:2019-02-16 / 阅读(80) / 评论(0)

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