一位教育大家曾经说过，考试是测试学生在学习中是否学到真正重要和有用的知识的必要途径，下面介绍的是惊世发现—DNA双螺旋结构中考英语听力解析，供同学们学习参考!

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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