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Section A Short Conversation [00:04.78]1.It seems to me that there is no need to have a screen on the door in the winter [00:12.04]We usually put it on in summer, don't we? [00:16.90]The only reason for having a screen on the door is [00:21.94]to kee

发表于:2018-12-01 / 阅读(189) / 评论(0)

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February the 12th is Darwin Day. It is to celebrate the anniversary of the birth of Charles Darwin on February 12, 1809 and his life as a scientist. This day also aims to encourage children to get into science. Darwin was one of the worlds greatest s

发表于:2018-12-04 / 阅读(65) / 评论(0)

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[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

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[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(117) / 评论(0)

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Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(82) / 评论(0)

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By Leta Hong Fincher Washington 24 April 2007 South Korean officials say their agreement Sunday to send rice to help North Korea feed its people will only go through if Pyongyang honors a pledge to begin dismantling its nuclear weapons program. And P

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ROBERT SIEGEL, HOST: Just in time for these hot days of summer, British historian Rosemary Ashton has written the history of one very hot summer in London many years ago, in 1858. That year, the talk of the town was all about marital mores and public

发表于:2019-01-16 / 阅读(50) / 评论(0)

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Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(168) / 评论(0)

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Who Was Charles Darwin 查尔斯·达尔文 Chapter 11