单词：Dardhas
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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?
数学英语
'Cash Mob' Phenomenon Supports Local Business What do you get when you mix a store's need for more business with enthusiastic local consumers? A cash mob. Organized through social media, the phenomenon is based on the concept of a flash mob, where la
VOA标准英语2013年(五月)
President Barack Obama has announced Tuesday the toughest-ever fuel efficiency and emissions standards for vehicles sold in the United States. It is the first U.S. national limit on greenhouse gas emissions. President Barack Obama at the White House
VOA标准英语2009年(五月)
Economics Report - Gold Keeps Shining, 30 Years After Nixon Ended Gold Standard This is the VOA Special English Economics Report. The best example of something is often called the gold standard. It sets the standard against which other things are mea
2011年VOA慢速英语(四)月
By Delia Robertson Johannesburg 08 August 2007 Non-governmental organizations working in the health sector in developing countries have welcomed a decision by the High Court in Chennai, India, rejecting a challenge to Indian patent law by the Swiss f
2007年VOA标准英语（八月）
A rarity among biathletes, Myriam Bdard competed as a figure skater until she was twelve years old. When women's biathlon was introduced to the Olympics at the 1992 Winter Games, Bdard earned a bronze medal at 15km. In Lillehammer, she took a gold me
英美文化
4 Ways to Measure Your Standard of Living Standard of living should not equate to amount of spending. When I sat down to write an article on the countries with the highest standard of living, I thought it would be easy. But, how do you define standar
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