看世界历史练听力：NO.17 尼克松访华中美关系实现正常化

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!!

练习方式：填空

Feb 17th, 1992, in Milwaukee, serial killer Jeffrey Dahmer gets life in prison for his (1)___ string of murders. Just a few years later, Dahmer is killed behind bars by a fellow inmate.

1972, President Richard Nixon leaves on his historic trip to China, a (2)___ breakthrough that ends years of silence between Washington and Beijing.

1996, World chess champ Garry Kasparov beats "Deep Blue" - an IBM (3)___ in a six-game match in Philadelphia. " A retreatment to preserve ? ?, and I knew that I could learned much better, becuase my appoint would need more time to learn and combat with a really, a sophisticated conquer strategy."

(4) Sentence Dictation:________________________________________________.