11．In 1929，a peasant in Sichuan Province uncovered jade （玉器） and stone artifacts（手工艺品） while repairing a ditch（沟渠） located about 24miles from Chengdu．But their significance wasn't understood until 1986，when archaeologists unearthed two pits（大坑） of Bronze Age treasures．The discovery suggests an impressive technicality（手工技艺），said Peter Keller，a geologist and president of the Bowers Museum in California，which is currently hosting an exhibit of some of these treasures．
The treasures came from a lost civilization，now known as the Sanxingdui，a city on the banks of the Minjiang River．
"It's a big mystery，"said Keller，who is not involved in the current study．
"Archaeologists now believe that the culture disappeared sometime between 3，000and 2，800years ago，"Niannian fan，a river science researcher at Tsinghua University in Chengdu，China，said．
"The current explanations for why it disappeared are war and flood，but both are not very convincing，"Fan told Live Science．
But about 14years ago，archaeologists found the remains of another ancient city called Jinsha near Chengdu．The Jinsha site，though it contained none of the bronzes of Sanxingdui，did have a gold crown covered with fish，arrows and birds similar to golden objects found at Sanxingdui．That has led some scholars to believe that the people from Sanxingdui may have relocated to Jinsha．
Fan wondered whether an earthquake may have caused landslides that dammed the river high up in the mountains and rerouted it to Jinsha．That catastrophe may have reduced Sanxingdui's water supply，spurring its people to move．
And some historical records support their assumptions．In 1099B．C．，ancient writers recorded an earthquake in the capital of the Zhou Dynasty，in Shanxi Province，Fan said．Though that spot is roughly 250miles from the historic site of Sanxingdui，the latter culture didn't have writing at the time．So it's possible the earthquake epicenter（震中） was actually close to Sanxingdui-but it just wasn't recorded there．
Around the same time，geological sediment（沉积物） suggest massive flooding occurred，and the later-han Dynasty document The Chronicles of the Kings of Shu records ancient floods pouring from a mountain in a spot that suggests the flow being rerouted，Fan said．
Together，the findings hint that major earthquake triggered a landslide that dammed the river，rerouting its flow and reducing water flow to Sanxingdui，Fan said．
56．In the first paragraph，the author wants toA．
A．introduce the topic of a lost civilization
B．tel us how beautiful the jade and stone artifacts look
C．remind us to pay attention to the earthquake
D．inform us we can easily find treasures in a ditch
57．According to the passage，the following statements are true EXCEPT thatB．
A．Bowers Museum is exhibiting some of Bronze Age treasures
B．Peter Keller is the lead researcher on the study of Sanxingdui
C．some scholars think that the people from Sanxingdui may have moved to Jinsha
D．some findings support the idea that an earthquake caused a landslide，which dammed the river，rerouting its flow and reducing water flow to Sanxingdui
58．Which of the following is the most probable explanation of mystery of the disappearance of Sanxingdui's civilization？C
A．War．B．Flood．C．Earthquake．D．Hurricane．
59．Which of the following is closest in meaning to the underlined word"spurring"in the seventh paragraph？A
A．Forcing．
B．Allowing．
C．Supporting．
D．Favoring．
60．What type of writing is this passage？C
A．Science fiction．
B．An official document．
C．A newspaper report．
D．A research report．
分析 本文主要介绍了三星堆的发现以及和它可能有密切关系的金沙遗址的发现，并对它们形成的原因进行了分析．
解答 56．A 细节题．根据文章内容，In 1929，a peasant in Sichuan Province uncovered jade （玉器） and stone artifacts（手工艺品） while repairing a ditch（沟渠） located about 24miles from Chengdu…The discovery suggests an impressive technicality（手工技艺），which is currently hosting an exhibit of some of these treasures．第一段主要通过讲述1929年在成都附件一个农民发现了大量的玉器和手工艺品，由此揭开了一个隐藏已久的被遗忘了的古代文明，结合选项，故选A
57．B 细节题．根据文章内容，The discovery suggests an impressive technicality（手工技艺），said Peter Keller，a geologist and president of the Bowers Museum in California，which is currently hosting an exhibit of some of these treasures．三星堆的发现表明古代就存在令人印象深刻的手工技艺，Peter Keller一位考古学家说到．他是美国加利福利亚州Bowers Museum 的带头人，而这个博物馆目前正展览着该发现的一些重要藏品．结合选项，可知B错误．
58．C 细节题．根据文章内容，So it's possible the earthquake epicenter（震中） was actually close to Sanxingdui-but it just wasn't recorded there．由此可知，三星堆有的出现有可能是一场没有被记载下来的地震而引发的，故选C
59．A 词义猜测题．根据文章内容，That catastrophe may have reduced Sanxingdui's water supply，spurring its people to move．那场突如其来的地震灾难减少了三星堆的水源供给，迫使那里的人们搬离，结合选项，故选A
60．C 文章类型题．根据文章内容，本文主要介绍了三星堆的发现以及和它可能有密切关系的金沙遗址的发现，并对它们形成的原因进行了分析．从文章看，对该事件进行了报告，结合选项，答案为C
点评 本文是一个故事类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对性的找出相关语句进行仔细分析，结合选项选出正确答案．推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案，切忌胡乱猜测，一定要做到有理有据．
