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Deep inside a mountain near Sweetwater in East.Tennessee is a body of water known as the Lost Sea.It is listed by the Guinness Book of Would Records as the world’s largest underground lake.The Lost Sea is part of an extensive and historic cave system called Craighead Caverns.
The caverns have been known and used since the days of the Cherokee Indian nation.The cave expands into a series of huge rooms from a small opening on the side of the mountain.Approximately one mile from the entrance,in a room called“The Council Room,”many Indian artisfacts have been found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry.
For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.He found himself in a large cave half filled with water.
Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent of it is still unknown.
The Lost Sea is unique because it is________.
The caverns have been known and used since the days of the Cherokee Indian nation.The cave expands into a series of huge rooms from a small opening on the side of the mountain.Approximately one mile from the entrance,in a room called“The Council Room,”many Indian artisfacts have been found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry.
For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.He found himself in a large cave half filled with water.
Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent of it is still unknown.
The Lost Sea is unique because it is________.
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
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
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更多 “Deep inside a mountain near Sweetwater in East.Tennessee is a body of water known as the Lost Sea.It is listed by the Guinness Book of Would Records as the world’s largest underground lake.The Lost Sea is part of an extensive and historic cave system called Craighead Caverns. The caverns have been known and used since the days of the Cherokee Indian nation.The cave expands into a series of huge rooms from a small opening on the side of the mountain.Approximately one mile from the entrance,in a room called“The Council Room,”many Indian artisfacts have been found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry. For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.He found himself in a large cave half filled with water. Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent of it is still unknown. The Lost Sea is unique because it is________.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” 相关考题
考题
EThe need to feed a growing population is putting much pressure on the world’s supply of water. With 97% of the world’s water too salty to be drunk or used in agriculture, the worldwide supply of water needs careful management, especially in agriculture. Although the idea of a water shortage（短缺）seems strange to someone fortunate enough to live in a high rainfull country, many of the world’s agricultural industries experience constant water shortages.Although dams can be built to store water for agricultural use in dry areas and dry seaons, the costs of water redistribution(重新分配)are very high. Notonly is there the cost of the engineering itself, but there is also an environmental cost to be considered. Where valleys(山谷)are flooded to create dams, houses are lost and wildlife homes destroyed. Besides, water many flow easily through pipes to fields,but it cannot be transported from one side of the world to the other. Each country must therefore rely on the management of its own water to supply its farming requirements.This is particularly troubling ro countries with agricultural industries in areas dependent on irrigation（灌溉）. In Texas, farmers’ overuse of irrigation water be resulted in a 25% redcution of the water stores. In the Central Valley area of south eastern USA, a huge water engineering project provided water for farming in dry vallege, but much of the water use has been poorly managed.Saudi Arabia’s attempts to grow wheat in desert areas have been the pumping of huge quantities of irrigation water from underground reserves. Because there is no rainfall in these areas, such reserves can only decrease, and it is believed that fifty years of pumping will see them run dry.72. From the first two paragraphs we learnt that _______.A.much of the world’s water is available for useB.people in high rainfll countries feel luckyC.the costs of water redistribution should be consideredD.water can be easily carried through pipes across the world
考题
Diana was reading Harry Potter and the Goblet of Fire, completely ____ in the mysterious world.A being lost B having lost C losting D lost
考题
The sea looks very pretty when the sun is shining on it. It can be very rough when there is a strong wind. The sea is very big. It covers three quarters of the globe! The sea is also very deep in some places. There is one spot near the Philippines , where the sea is about 11 kilometers deep. The highest mountain in the world is about 9 kilometers high. If that mountain was put in the sea at that place, there would still be 3 kilometers of water above it! What a deep place! In most parts of the sea, there are plenty of fishes and plants. Some live near the top of the sea. Others live deep down. There are millions of tiny living things that float in the sea. Many fish live by eating them. The sea can be very cold. When the diver goes downwards, the sea becomes colder and colder. When the diver goes deeper, the water exerts greater pressure.1、There is one spot near the Philippines, where the sea is as deep as ( ).A、13 kilometersB、 9 kilometersC、 2 kilometersD、 11 kilometers2、There are millions of tiny living things that float in the sea, and( ).A、they live by eating fishB、they live by eating plantsC、they are good food for many fishD、they live by eating worms3、Which of the following statements is true? ( )A、When the diver dives under the sea, he gets colder and colder.B、When the diver sinks to the bottom, he is to be colder and colder.C、When the diver sinks in the sea, he will be rather cold.D、When the diver dives downward, the sea gets colder and colder.4、From the information given, why has the diver to wear a diving suit? ( )A、Because the diver is likely to be attacked by fish.B、 Because the water at great depths is very cold.C、 Because the salt water seems unsuitable for diver.D、 Because the pressure of water at great depths is immense ( 巨大的 ).
考题
Anna was reading a piece of science fiction, completely ________ to the outside world.[A] being lost[B] having lost[C] losing[D] lost
考题
The problem of underground water is more serious because（ ）[A] the underground water trickles away all the year round[B] the underground water is hidden deep beneath the Earth[C] the change of it must be controlled by the NASA's satellites[D] the dramatic change of it might affect the gravitational field
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They may have lived some 1,700 years ago, but the ancient Maya had an incredible knowledge of celestial bodies, which they believed influenced everything.
Now a 15-year-old boy has studied astronomical charts devised by these ancient Mexican people, as well as satellite photos, to pinpoint the location of a forgotten Mayan city. William Gadoury, from Quebec has named the "lost city" in the Yucatan jungle K′aak Chi, or Mouth of Fire.
Satellite images suggest the lost city could be among the largest built by the ancient civilisation, which thrived between 300 and 700 AD.
Wondering why the ancient people built their cities far away from rivers and in inhospitable mountains prompted the teenager to look to the sky for answers. Incredibly, the brightest of the stars matched the largest cities.
"I was really surprised and excited when I realised that the most brilliant stars of the constellations matched the largest Maya cities." He told The Journal of Montreal.
He is said to be the first to make the connection, which could lead to further finds.
It was in the 23rd constellation, containing three stars, that he found two matching cities on the map, suggesting one has not yet been re-discovered.
To investigate further, he used satellite images from the Canadian Space Agency and Google Earth to search the dense jungle for any signs of buildings.
The photographs revealed linear features that "stuck out," Daniel De Lisle, from the Canadian Space Agency told The Independent.
"There are linear features that would suggest there is something underneath that big canopy," he said. Armand La Rocque, from the University of New Brunswick believes one of the images shows network of streets leading to a large square, which may be a pyramid. "A square is not natural, it is mostly artificial and can hardly be attributed to natural phenomena," he said.
It′s possible 30 buildings accompany an impressive pyramid at the site. If true, the lost city would be one of the five largest known to archaeologists, built by the Mayans.
Linking the position of stars and the location of a lost city and the use of satellite images on a tiny territory to identify the remains buried under dense vegetation, is quite exceptional.
Dr. La Rocque thinks William Gadoury′s technique could lead archaeologists to pinpointing the location of more possible lost Mayan metropolises.
Dr. La Rocque believes that ___________.查看材料A.more Mayan cities could be found near rivers
B.generally pyramid are surrounded by many buildings
C.a square could be attributed to natural phenomena
D.more Mayan metropolises could be found later by William' s technique
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Europa's Watery UnderworldEuropa,one of Jupiter's 63 known moons,looks bright and icy on the surface.But appearances can be deceiving:Miles within its cracked,frigid shell,Europa probably hides giant pools of liquid water. Where scientists find liquid water,they hope to find life as well.Since we can't go diving into Europa's depths just yet,scientists instead have to investigate the moon's surface for clues to what lies beneath.In a new study,scientists investigated one group of strange ice patterns on Europa and concluded that the formations mark the top of an underground pool that holds as much water as the U.S.Great Lakes.Pictures of Europa,which is slightly smaller than Earth's moon,clearly show a tangled,icy mishmash of lines and cracks known as"chaos terrains".These chaotic places cover more than half of Europa. For more than 10 years,scientists have wondered what causes the formations.The new study suggests that they arise from the mixing of vast underground stores of liquid water with icy material near the surface.For scientists who suspect that Europa also may be hiding life beneath its icy surface,the news about the new lake is exciting."It would be great if these lakes harbored life,"Britney Schmidt,a planetary scientist who worked onthe study,told Science News."But even if they didn't,they say that Europa is doing something interesting and active right now."Schmidt,a scientist at the University of Texas at Austin,and her colleagues wanted to know how chaos terrains form.Since they couldn't rocket to Europa to see for themselves,they searched for similar forma- tions here on Earth.They studied collapsed ice shelves in Antarctica and icy caps on volcanoes in Iceland. Those features on Earth formed when liquid water mixed with ice.The scientists now suspect something similar might be happening on Europa:that as water and ice of different temperatures mingle and shift,the surface fractures.This would explain the jumbled ice sculptures."Fracturing catastrophically disrupts the ice in the same way that it causes ice shelves to collapse on Earth,"Schmidt told Science News.She and her team found that the process could be causing chaos terrains to form quickly on Europa.The new study suggests that on this moon,elements such as oxygen from the surface blend with the deep bodies of water. That mixture may create an environment that supports life.Schmidt and her colleagues are the first group of scientists reaching Europa.A:RightB:WrongC:Not mentioned
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Europa's Watery UnderworldEuropa,one of Jupiter's 63 known moons,looks bright and icy on the surface.But appearances can be deceiving:Miles within its cracked,frigid shell,Europa probably hides giant pools of liquid water. Where scientists find liquid water,they hope to find life as well.Since we can't go diving into Europa's depths just yet,scientists instead have to investigate the moon's surface for clues to what lies beneath.In a new study,scientists investigated one group of strange ice patterns on Europa and concluded that the formations mark the top of an underground pool that holds as much water as the U.S.Great Lakes.Pictures of Europa,which is slightly smaller than Earth's moon,clearly show a tangled,icy mishmash of lines and cracks known as"chaos terrains".These chaotic places cover more than half of Europa. For more than 10 years,scientists have wondered what causes the formations.The new study suggests that they arise from the mixing of vast underground stores of liquid water with icy material near the surface.For scientists who suspect that Europa also may be hiding life beneath its icy surface,the news about the new lake is exciting."It would be great if these lakes harbored life,"Britney Schmidt,a planetary scientist who worked onthe study,told Science News."But even if they didn't,they say that Europa is doing something interesting and active right now."Schmidt,a scientist at the University of Texas at Austin,and her colleagues wanted to know how chaos terrains form.Since they couldn't rocket to Europa to see for themselves,they searched for similar forma- tions here on Earth.They studied collapsed ice shelves in Antarctica and icy caps on volcanoes in Iceland. Those features on Earth formed when liquid water mixed with ice.The scientists now suspect something similar might be happening on Europa:that as water and ice of different temperatures mingle and shift,the surface fractures.This would explain the jumbled ice sculptures."Fracturing catastrophically disrupts the ice in the same way that it causes ice shelves to collapse on Earth,"Schmidt told Science News.She and her team found that the process could be causing chaos terrains to form quickly on Europa.The new study suggests that on this moon,elements such as oxygen from the surface blend with the deep bodies of water. That mixture may create an environment that supports life.The liquid water of an underground pool of Europa is estimated as much as the volume of the U.S.Great Lakes.A:RightB:WrongC:Not mentioned
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Europa's Watery UnderworldEuropa,one of Jupiter's 63 known moons,looks bright and icy on the surface.But appearances can be deceiving:Miles within its cracked,frigid shell,Europa probably hides giant pools of liquid water. Where scientists find liquid water,they hope to find life as well.Since we can't go diving into Europa's depths just yet,scientists instead have to investigate the moon's surface for clues to what lies beneath.In a new study,scientists investigated one group of strange ice patterns on Europa and concluded that the formations mark the top of an underground pool that holds as much water as the U.S.Great Lakes.Pictures of Europa,which is slightly smaller than Earth's moon,clearly show a tangled,icy mishmash of lines and cracks known as"chaos terrains".These chaotic places cover more than half of Europa. For more than 10 years,scientists have wondered what causes the formations.The new study suggests that they arise from the mixing of vast underground stores of liquid water with icy material near the surface.For scientists who suspect that Europa also may be hiding life beneath its icy surface,the news about the new lake is exciting."It would be great if these lakes harbored life,"Britney Schmidt,a planetary scientist who worked onthe study,told Science News."But even if they didn't,they say that Europa is doing something interesting and active right now."Schmidt,a scientist at the University of Texas at Austin,and her colleagues wanted to know how chaos terrains form.Since they couldn't rocket to Europa to see for themselves,they searched for similar forma- tions here on Earth.They studied collapsed ice shelves in Antarctica and icy caps on volcanoes in Iceland. Those features on Earth formed when liquid water mixed with ice.The scientists now suspect something similar might be happening on Europa:that as water and ice of different temperatures mingle and shift,the surface fractures.This would explain the jumbled ice sculptures."Fracturing catastrophically disrupts the ice in the same way that it causes ice shelves to collapse on Earth,"Schmidt told Science News.She and her team found that the process could be causing chaos terrains to form quickly on Europa.The new study suggests that on this moon,elements such as oxygen from the surface blend with the deep bodies of water. That mixture may create an environment that supports life.The size of Europa is a bit larger than that of Earth's moon.A:RightB:WrongC:Not mentioned
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Europa's Watery UnderworldEuropa,one of Jupiter's 63 known moons,looks bright and icy on the surface.But appearances can be deceiving:Miles within its cracked,frigid shell,Europa probably hides giant pools of liquid water. Where scientists find liquid water,they hope to find life as well.Since we can't go diving into Europa's depths just yet,scientists instead have to investigate the moon's surface for clues to what lies beneath.In a new study,scientists investigated one group of strange ice patterns on Europa and concluded that the formations mark the top of an underground pool that holds as much water as the U.S.Great Lakes.Pictures of Europa,which is slightly smaller than Earth's moon,clearly show a tangled,icy mishmash of lines and cracks known as"chaos terrains".These chaotic places cover more than half of Europa. For more than 10 years,scientists have wondered what causes the formations.The new study suggests that they arise from the mixing of vast underground stores of liquid water with icy material near the surface.For scientists who suspect that Europa also may be hiding life beneath its icy surface,the news about the new lake is exciting."It would be great if these lakes harbored life,"Britney Schmidt,a planetary scientist who worked onthe study,told Science News."But even if they didn't,they say that Europa is doing something interesting and active right now."Schmidt,a scientist at the University of Texas at Austin,and her colleagues wanted to know how chaos terrains form.Since they couldn't rocket to Europa to see for themselves,they searched for similar forma- tions here on Earth.They studied collapsed ice shelves in Antarctica and icy caps on volcanoes in Iceland. Those features on Earth formed when liquid water mixed with ice.The scientists now suspect something similar might be happening on Europa:that as water and ice of different temperatures mingle and shift,the surface fractures.This would explain the jumbled ice sculptures."Fracturing catastrophically disrupts the ice in the same way that it causes ice shelves to collapse on Earth,"Schmidt told Science News.She and her team found that the process could be causing chaos terrains to form quickly on Europa.The new study suggests that on this moon,elements such as oxygen from the surface blend with the deep bodies of water. That mixture may create an environment that supports life.The strange ice patterns on Europa are formed as a result of a mixture of liquid water and solid material underground water pool.A:RightB:WrongC:Not mentioned
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Europa's Watery UnderworldEuropa,one of Jupiter's 63 known moons,looks bright and icy on the surface.But appearances can be deceiving:Miles within its cracked,frigid shell,Europa probably hides giant pools of liquid water. Where scientists find liquid water,they hope to find life as well.Since we can't go diving into Europa's depths just yet,scientists instead have to investigate the moon's surface for clues to what lies beneath.In a new study,scientists investigated one group of strange ice patterns on Europa and concluded that the formations mark the top of an underground pool that holds as much water as the U.S.Great Lakes.Pictures of Europa,which is slightly smaller than Earth's moon,clearly show a tangled,icy mishmash of lines and cracks known as"chaos terrains".These chaotic places cover more than half of Europa. For more than 10 years,scientists have wondered what causes the formations.The new study suggests that they arise from the mixing of vast underground stores of liquid water with icy material near the surface.For scientists who suspect that Europa also may be hiding life beneath its icy surface,the news about the new lake is exciting."It would be great if these lakes harbored life,"Britney Schmidt,a planetary scientist who worked onthe study,told Science News."But even if they didn't,they say that Europa is doing something interesting and active right now."Schmidt,a scientist at the University of Texas at Austin,and her colleagues wanted to know how chaos terrains form.Since they couldn't rocket to Europa to see for themselves,they searched for similar forma- tions here on Earth.They studied collapsed ice shelves in Antarctica and icy caps on volcanoes in Iceland. Those features on Earth formed when liquid water mixed with ice.The scientists now suspect something similar might be happening on Europa:that as water and ice of different temperatures mingle and shift,the surface fractures.This would explain the jumbled ice sculptures."Fracturing catastrophically disrupts the ice in the same way that it causes ice shelves to collapse on Earth,"Schmidt told Science News.She and her team found that the process could be causing chaos terrains to form quickly on Europa.The new study suggests that on this moon,elements such as oxygen from the surface blend with the deep bodies of water. That mixture may create an environment that supports life.The existence of liquid water is a necessity for a life-support environment.A:RightB:WrongC:Not mentioned
考题
Deep inside a mountain near Sweetwater in East Tennessee is a bady?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 and historic cave system called Craighead Caverns.
The caverns have been known and used since the days of the Cherokee Indian nation.The cave?expands into a series of huge rooms from a small opening on the side of the mountain.Approximately?one mile from the entrance,in a room called-The Council Room",many Indian artifacts have been?found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry.
For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.:He found himself in a large cave half filled?with water.
Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent
of it is still unknown.
What was found in"The Council Room"?A.A small natural opening.
B.A large cave.
C.Another series of rooms.
D.Many old Indian objects.
考题
Deep inside a mountain near Sweetwater in East Tennessee is a bady?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 and historic cave system called Craighead Caverns.
The caverns have been known and used since the days of the Cherokee Indian nation.The cave?expands into a series of huge rooms from a small opening on the side of the mountain.Approximately?one mile from the entrance,in a room called-The Council Room",many Indian artifacts have been?found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry.
For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.:He found himself in a large cave half filled?with water.
Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent
of it is still unknown.
Who located the Lost Sea in recent times?A.The Cherokee Indians.
B.Tourists.
C.Ben Sands.
D.Scientists.
考题
Deep inside a mountain near Sweetwater in East Tennessee is a bady?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 and historic cave system called Craighead Caverns.
The caverns have been known and used since the days of the Cherokee Indian nation.The cave?expands into a series of huge rooms from a small opening on the side of the mountain.Approximately?one mile from the entrance,in a room called-The Council Room",many Indian artifacts have been?found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry.
For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.:He found himself in a large cave half filled?with water.
Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent
of it is still unknown.
It can be inferred from the passage that the Craighead Caverns presently serve as__________.A.an underground testing site
B.an Indian meeting ground
C.a tourist attraction
D.a motor boat race course
考题
Deep inside a mountain near Sweetwater in East Tennessee is a bady?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 and historic cave system called Craighead Caverns.
The caverns have been known and used since the days of the Cherokee Indian nation.The cave?expands into a series of huge rooms from a small opening on the side of the mountain.Approximately?one mile from the entrance,in a room called-The Council Room",many Indian artifacts have been?found.Some of the items discovered include pottery,arrowheads,weapons,and jewelry.
For many years there were persistent rumors of a large underground lake somewhere in a cave,but it was not discovered until 1905.In that year,a thirteen-year-old boy named Ben Sands crawled through a small opening three hundred feet underground.:He found himself in a large cave half filled?with water.
Today tourists visit the Lost Sea and ride far out onto it in glass-bottomed boats powered by electric motors.More than thirteen acres of water have been mapped out so far and still no end to the lake has been found.Even though teams of divers have tried to explore the Lost Sea,the full extent
of it is still unknown.
The Lost Sea is unique because it is__________.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
考题
Some villagers were going to celebrate an important wine festival（酒宴）in a few days′time,so?they borrowed a huge barrel from the nearest town,put it in the village square,and decided that each?of them should empty a bottle of the best wine he had into it,so that there should be plenty at the?feast（宴会）.
One of the villagers thought he would be very clever."If I pour a bottle of water in,instead of?wine,no one will notice it,"he said to himself,"because there will be so much excellent wine in the?barrel that?the water will be lost in it."
The night of the feast arrived.Everybody gathered in the village square with their bowls and?their glasses for the wine.The tap（塞子）on the barrel was opened,but what came out was pure?water.Everyone in the village had had the same idea.
The underlined sentence"the water will be lost in it"can be considered as__________.A.the water would be gone in the barrel
B.the water couldn't be found in the wine
C.the water would flow through the barrel into the ground
D.the water would be mixed up with the wine
考题
New Zealand is sometimes called the world‘s biggest farm.It is the world’s largest exporter of ( ) A.beef
B.lamb and mutton
C.wheat
D.corn
考题
With regard to its size， the U.S.A.is the( )country in the world. A.largest
B.second largest
C.third largest
D.fourth largest
考题
One of the redo log members in your database is lost. You queried V$logfile for further details. What would be the member’s status？（）A、LOSTB、INVALIDC、EXPIREDD、DELETEDE、CORRUPTF、UNKNOWNG、OBSOLETE
考题
单选题One of the redo log members in your database is lost. You queried V$logfile for further details. What would be the member’s status？（）A
LOSTB
INVALIDC
EXPIREDD
DELETEDE
CORRUPTF
UNKNOWNG
OBSOLETE
考题
单选题What is the real cause of the potential water crisis?A
The world population is increasing faster and faster.B
Half of the world’s water resources have been seriously polluted.C
Humanity has not placed sufficient value on water resources.D
Only half of the world’s water can be used.
考题
单选题Which statement is NOT true according to the passage?A
The worst of layoff is the society’s work-ethic morality.B
Unemployment brings great mental hurt to people.C
Those who lost their jobs become easily depressed.D
Those who lost jobs would value any job they can get.
考题
单选题The latest Guinness World Record of the largest pillow fight was set in ______.A
ChicagoB
AmsterdamC
BudapestD
New York
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