单词：social systems engineering
单词：social systems engineering 相关文章
22. In our culture, the sources of what we call a sense of masteryfeeling important and worth-while-and the sources of what we call a sense pleasure-finding life enjoyable-are not always identical. (1994. 阅读. 1. Text 4) 【译文】在我们的文化
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AS IT IS 2015-10-02 Step Aside Millennials: Over-60s to Double by 2050 报告称2050年60岁以上的人数将翻倍 A new report says the number of people over the age of 60 is expected to double by the year 2050. The World Health Organization says
2015年VOA慢速英语(十)月
22. In our culture, the sources of what we call a sense of masteryfeeling important and worth-while-and the sources of what we call a sense pleasure-finding life enjoyable-are not always identical. (1994. 阅读. 1. Text 4) 【译文】在我们的文化
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[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu
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This is the VOA Special English Technology Report. A new study looks at privacy in a world where computers can increasingly recognize faces in a crowd or online. Alessandro Acquisti at Carnegie Mellon University's Heinz College in Pittsburgh, Pennsyl
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