Deep inside a mountain near Sweet water in East Tennessee is a body of water known as the Lost Sea. It is listed by the Guinness Book of World Records as the world’s largest underground lake. The Lost Sea is part of an extensive(广阔的)and historic cave system called Graighead Caverns.
The Caverns have been known and used since the days of the Cherokee Indian nation. The cave expands(扩展)into a series of huge rooms from a small opening on the side of the mountain. One mile from entrance is a room called the “Council Room” in which many Indian artistic facts have been found. For many years it had been considered that there was a large underground lake somewhere in the cave, but it was not discovered until 1905. In that year, a l3-year-old boy named Ben Sands crawled(爬行)in-to a small opening three hundred feet underground, and he found himself in a large cave half filled with water.
Today tourists visit the Lost Sea and ride far out in glass-bottomed boats. More than thirteen acres of water have been mapped out so far and still no end of the lake has been found. Even though teams of divers have tried to explore the Lost Sea, the full extent(范围) of it is still unknown.
1、The Lost Sea is completely different from any others because it is ________.
2、The Graighead Caverns have been known ________.
3、Who discovered the Lost Sea in recent times?
4、What was found in “The Council Room”?
5、It can be inferred from the passage that the Graighead Caverns presently serve as ________.
问题1选项
A.part of a historical cave system
B.the biggest underground lake in the world
C.listed in the Guinness Book of World Records
D.the largest body of water in Tennessee
问题2选项
A.throughout history
B.since the time of the Indian nation
C.since 1905
D.since divers explored them
问题3选项
A.Ben Sands.
B.Boys.
C.The Cherokee Indians.
D.Scientists.
问题4选项
A.A small natural opening.
B.A large cave.
C.Another series of rooms.
D.Many old Indian objects.
问题5选项
A.an underground lab
B.an Indian meeting ground
C.a place of interest
D.a museum
第1题:B
第2题:B
第3题:A
第4题:D
第5题:C
第1题:
【原文考查】事实细节题
【选项释义】迷失之海完全不同于其他任何的湖，因为它是________。
A.历史洞穴系统的一部分
B.世界上最大的地下湖
C.列入吉尼斯世界纪录
D.田纳西州最大的水域
【解题思路】根据原文第一段“Deep inside a mountain near Sweet water in East Tennessee is a body of water known as the Lost Sea. It is listed by the Guinness Book of World Records as the world’s largest underground lake. The Lost Sea is part of an extensive(广阔的)and historic cave system called Graighead Caverns.”在田纳西州东部斯威特沃特镇附近的一座大山深处，有一片被称为迷失之海的水域。它被吉尼斯世界纪录列为世界上最大的地下湖。迷失之海是一个巨大的历史洞穴系统的一部分，这个系统被称为克雷格黑德岩洞。可知迷失之海完全不同于其他任何的湖，因为它是世界上最大的地下湖。故本题选B。
第2题:
【原文考查】事实细节题
【选项释义】克雷格黑德岩洞________被发现。
A.纵观历史
B.自从印第安民族时代以来
C.自1905年以来
D.自从潜水员探索它们
【解题思路】根据原文第二段“The Caverns have been known and used since the days of the Cherokee Indian nation.”这些岩洞自切罗基印第安民族时期就已为人所知并被使用。故本题选B。
第3题:
【原文考查】事实细节题
【选项释义】近代是谁发现了迷失之海？
A.本·桑斯。
B.男孩们。
C.切罗基印第安人。
D.科学家们。
【解题思路】根据原文第二段“For many years it had been considered that there was a large underground lake somewhere in the cave, but it was not discovered until 1905. In that year, a l3-year-old boy named Ben Sands crawled(爬行)in-to a small opening three hundred feet underground, and he found himself in a large cave half filled with water.”多年来，人们一直认为在这个岩洞的某个地方有一个巨大的地下湖，但直到1905年才被发现。那一年，一个名叫本·桑斯的13岁男孩爬进了地下300英尺的一个小洞口，他发现自己身在一个半满水的大洞穴里。可知，近代是本·桑斯发现了迷失之海。故本题选A。
第4题:
【原文考查】事实细节题
【选项释义】在“会议室”里发现了什么？
A.一个小的自然开口。
B.一个大洞穴。
C.另一系列房间。
D.许多古老的印第安物品。
【解题思路】根据原文第二段“One mile from entrance is a room called the “Council Room” in which many Indian artistic facts have been found.”离入口一英里的地方是一个叫做“会议室”的房间，在这里发现了许多印第安艺术品。故本题选D。
第5题:
【原文考查】事实细节题
【选项释义】从文章中可以推断，克雷格黑德岩洞如今作为________。
A.地下实验室
B.印第安人的聚会场所
C.名胜
D.博物馆
【解题思路】根据原文倒数第一段“Today tourists visit the Lost Sea and ride far out in glass-bottomed boats. More than thirteen acres of water have been mapped out so far and still no end of the lake has been found. Even though teams of divers have tried to explore the Lost Sea, the full extent(范围) of it is still unknown.”如今，游客们参观迷失之海，乘坐玻璃底船远航。到目前为止，超过13英亩的水域已经被绘制出来，但是还没有发现湖的尽头。尽管潜水员团队试图探索迷失之海，但其全部范围仍然未知。由此可推知，克雷格黑德岩洞如今作为一个名胜古迹，人们前去参观。故本题选C。
