Deep inside a mountain near Sweetwater in East Tennessee is a body of water know
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Deep inside a mountain near Sweetwater inEast Tennessee is a body of water known as the Lost Sea. It is listed by theGuinness Book of World Records as the world’s largest underground lake. TheLost Sea is part of an extensive (covering a large area) and historic cavesystem called Graighead Caverns.
The caverns have been known and usedsince the days of the Cherokee Indian nation. The cave expands (becoming largein size) into a series of huge rooms opening on the side of the mountain. Onemile from the entrance, in a room called“TheCouncil Room”,many Indian artifacts(手工艺品)have been found.
For many years it had been consideredthat there was a large underground lake somewhere in a cave, but it was notdiscovered until 1905. That year, a thirteen-year-old boy namedBen Sands crawled into a small opening three hundred feet underground. He foundhimself in a large cave half filled with water.
Today, tourists visit the Lost Sea andride far out onto it in glass-bottomed boats. More than thirteen acres ( 英亩 ) of water have been mapped out so farand still no end of the lake has been found. Even though teams of divers havetried to explore the Lost Sea, the full extent (the size of a large area)of itis still unknown.
1. The Lost Sea is completely differentfrom any others because it is______.
A. part of a historical cave system
B.the biggest underground lake in theworld
C.listed in the Guinness Book of WorldRecords
D.the largest body of water in Tennessee
2. The Graighead Caverns have beenknown______.
A.throughout history
B.since the time of the Indian nation
C.since 1905
D.since divers explored them
3. Who discovered the Lost Sea in recenttimes?
A. Ben Sands. B. Boys.
C. The Cherokee Indians. D.Scientists.
4.What was found in“The Council Room”?
A. A small natural opening. B.A large cave.
C. Another series of rooms. D.ManyoldIndian objects.
5. It can be inferred from the passagethat the Graighead Caverns presently serve as______.
A. an underground lab B.anIndian meeting ground
C.a place of interest D.amuseum
试题答案
答案：A;B;A;D;C
解析：| 1、从”TheLost Sea is part of an extensive(covering a large area)and historic cave systemcalled Graighead Caverns.”中可以得出. 2、原文明确告知：Thecaverns have been known and used since the days of Cherokee Indian nation. 3、”itwas not discovered until 1905. おThat year, a thirteen-year-oldboy named Ben Sands crawled into a small opening three hundred feetunderground.”中可以看出发现者是谁. 4、依据原文第二段的最后两句可得出答案。 5、从原文中“LostSea is listed by the Guinness Book of World Records as the world’s largestunderground lake.”“Today, tourists visit the LostSea and ride far out onto it in glass-bottomed boats”可知如今它已成为一处名胜。
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