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发表于:2018-12-30 / 阅读(62) / 评论(0) 分类 单词解析速记

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(102) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 数学英语

By Gary Thomas Washington 11 January 2006 Iran has incurred international displeasure for its decision to resume work on its controversial uranium enrichment program. British Prime Minister Tony Blair

发表于:2019-01-31 / 阅读(119) / 评论(0) 分类 2006年VOA标准英语(一月)

想象一下这样一个国家,女孩需要冒着被杀死的危险,偷偷摸摸的上学。这就是塔利班统治下的阿富汗,而这些威胁延续至今。22岁的 habana Basij-Rasikh 在阿富汗创办了一所学校教育女孩子。她赞

发表于:2019-02-05 / 阅读(121) / 评论(0) 分类 TED公开课:告女性说