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看世界历史练听力:NO.24惊世发现—DNA双螺旋结构

网络资源 | 2011-11-30
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  了解世界历史,同时提高英语听力水平。经典历史新闻,与您一起回顾尘封的过去!取材于美联社官方网站的历史新闻视频,时长约为一分钟左右。所收集的历史新闻都是当年轰动全球的新闻,语言简练,知识性强,绝对是您练习听力增长历史常识的好材料!同时,该节目的视频在适合精听的同时,又适合泛听——多种选择,多种训练方式;经典、权威、地道!! 【看世界历史练听力】NO.24惊世发现—DNA双螺旋结构   练习方式:填空&句子听写   Feb 28th, 1953, in Britain, scientists James Watson and Francis Crick discover the double helix structure of DNA, the (1)___ of life. Years later, Crick describes his achievement. “Biological systems are the result of (2)___ , and may produce very complicated things, now the reason of DNA (look) looks so beautiful and simple, it goes right back to near the origins of life.”   1993, a deadly gun battle erupts shot the Branch Davidian compound in Waco, Texas, start a 51-day (3)___ between David Koresh's group and federal authorities.   (4) Sentence Dictation:__________________________________________.   句子听写提示: Wisconsin: 威斯康星   And 1983, rock group U2 releases its “WAR” album, among the (5)___ "New Year's Day" and "Sunday Bloody Sunday".   参考答案:   (1), genetic code   (2), evolution   (3), standoff   (4), 1854, anti-slavery activists meeting in Wisconsin call for a new political group, which becomes the Republican Party.   (5), tracks
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