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EXPLORATIONS - Koshland Science Museum

EXPLORATIONS - Koshland Science Museum By Broadcast: Wednesday, March 02, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with the VOA Special English program EXPLORATIONS. T

发表于:2019-01-10 / 阅读(292) / 评论(0)

Explorations

诺贝尔经济学奖得主研究人们如何花钱

AS IT IS 2016-10-13 Nobel Prize Winners Studied Agreements Affecting Everyone 诺贝尔经济学奖得主研究人们如何花钱 Two professors at American universities have won the Nobel Prize in Economic Sciences. They were honored for their work

发表于:2019-01-12 / 阅读(56) / 评论(0)

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GRE专家对笔考Issue的预测-3

102.

发表于:2019-01-20 / 阅读(54) / 评论(0)

英文语法词汇

英语六级听力考试预测模拟练习10

[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

发表于:2019-01-25 / 阅读(52) / 评论(0)

英语六级听力练习集锦

Using bacteria to generate energy hopeful

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(49) / 评论(0)

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2016年CRI UN chief condemns killing

He Wenping, Director of African Studies at the the Chinese Academy of Social Sciences, speaking with CRI's Zheng Chengguang.

发表于:2019-02-14 / 阅读(67) / 评论(0)

2016CRI中国国际广播电台

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bubble cap plate column

calibration transfer instrument

cell burner