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     A volcanic eruption in Iceland has sent ash across northern Europe. Airlines have stopped or changed the flights across the Atlantic Ocean, leaving hundreds of passengers stuck in airports.

Grirmsvom is one of the largest and most active volcanoes in Europe. What makes Grimsvom different is that it lies under a huge glacier(冰川) of ice up to 12 maters thick. The hot volcano heats up the ice above it, which then forms a layer(层)of water between the glacier and the volcano This layer of water puts pressure on the volcano, keeping it stable, As the water flows out from under the glacier, the pressure lifts. The lava(岩浆) from the volcano then comes up to the surface. This is exactly what happened today.  

Now, airlines have to make changes to their flights so as not to fly through the clouds of volcanic ash. According to KLM. one of Europe’s biggest airlines, airplanes cannot go under the cloud or over it. Going through the cloud can result in ash getting stuck in the airplane’s engines, causing damage to the plane.  

The eruption has also caused problems for animals in Iceland. The volcano left ash and sharp. Glass-like rocks all over the countryside. Farmers are keeping their animals inside to stop them from eating ash- covered grass to the sharp object.  

.  

64. What makes Grimsvotn different from other volcanoes?

A. It is below ice.

B. It lies under the sea

C. It is the largest volcano

D. It is lava affects the airlines

65. What keeps Grimsvotn still?

A. The slow flow of water

B. The low water temperature

C. The thick glacier

D. The water pressure

66. Which of the following is the result of the volcanic eruption?

A. People stop traveling in Europe

B. Airlines suffer from the loss of planes

C. It becomes dangerous for animals to eat outside

D. Farmers have lost many of their animals

67. This text is most probably taken from_

A. a research paper

B. a newspaper report

C. a class presentation

D. a geography textbook.

64.  A

解析:细节理解题。由第二段的第一行What makes Grimsvom different is that it lies under a huge glacier(冰川) of ice up to 12 maters thick.可知它有别于其他火山是位于巨大冰川之下,选A.

65.  D

解析:细节理解题。由第二段的第四行This layer of water puts pressure on the volcano, keeping it stable,可知水的压力让它稳定,选D。

66.  C

解析:细节理解题。由最后两段可以看出A,B,D都不存在,The eruption has also caused problems for animals in Iceland .Farmers are keeping their animals inside to stop them from eating ash- covered grass to the sharp object..选C符合。

67. B

解析:推理判断题。通读全文可知是一篇新闻报道,选B合适。

 

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A volcanic eruption in Iceland has sent ash across northern Europe. Airlines have stopped or changed the flights across the Atlantic Ocean, leaving hundreds of passengers stuck in airports.

Grirmsvom is one of the largest and most active volcanoes in Europe. What makes Grimsvom different is that it lies under a huge glacier(冰川) of ice up to 12 maters thick. The hot volcano heats up the ice above it, which then forms a layer(层)of water between the glacier and the volcano This layer of water puts pressure on the volcano, keeping it stable, As the water flows out from under the glacier, the pressure lifts. The lava(岩浆) from the volcano then comes up to the surface. This is exactly what happened today.  

Now, airlines have to make changes to their flights so as not to fly through the clouds of volcanic ash. According to KLM. one of Europe’s biggest airlines, airplanes cannot go under the cloud or over it. Going through the cloud can result in ash getting stuck in the airplane’s engines, causing damage to the plane.  

The eruption has also caused problems for animals in Iceland. The volcano left ash and sharp. Glass-like rocks all over the countryside. Farmers are keeping their animals inside to stop them from eating ash- covered grass to the sharp object.  

What keeps Grimsvom still? 

A. The slow flow of water       B. The low water temperature 

C. The thick glacier            D. The water pressure 

Which of the following is true? 

A. People stop traveling in Europe   

B. Airlines suffer from the loss of planes 

C. It becomes dangerous for animals to eat outside 

D. Farmers have lost many of their animals 

This text is most probably taken from_______________.

A. a research paper            B. a newspaper report 

C. a class presentation          D. a geography textbook.  

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From the area where the tsunamis come, waves travel in all directions. Once the waves approach the coast, they will become more than 100 feet in height. The topography (地形) of the coastline and the ocean floor will influence the size of the wave. There may be more than one wave and the latter one may be larger than the one before. That is why a small tsunami at one beach can be a huge wave a few miles away.
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A movement of the ocean floor, caused by earthquakes, most often causes tsunamis. If a tsunami occurs close to a coast, the first wave could reach the beach in a few minutes, even before a warning is given. Areas are at greater risk if they are less than 25 feet above sea level and within a mile of the coastline. Drowning is the most common cause of death during a tsunami. Tsunami waves are very harmful to buildings. Other dangers include floods, pollution of drinking water, and fires from gas lines.
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______________________________________________________________________________
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______________________________________________________________________________
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A volcanic eruption in Iceland has sent ash across northern Europe Airlines have stopped or changed the flights across the Atlantic Ocean, leaving hundreds of passengers stuck in airports.

Grimsvom is one of the largest and most active volcanoes in Europe. What makes Grimsvom different is that it lies under a huge glacier(冰川) of ice up to 12 maters thick. The hot volcano heats up the ice above it, which then forms a layer(层)of water between the glacier and the volcano This layer of water puts pressure on the volcano, keeping it stable, As the water flows out from under the glacier, the pressure lifts. The lava(岩浆) from the volcano then comes up to the surface. This is exactly what happened today.

Now, airlines have to make changes to their flights so as not to fly through the clouds of volcanic ash. according to KLM, one of Europe’s biggest airlines, airplanes cannot go under the cloud or over it. Going through the cloud can result in ash getting stuck in the airplane’s engines, causing damage to the plane.

The eruption has also caused problems for animals in Iceland. The volcano left ash and sharp. Glass-like rocks all over the countryside. Farmers are keeping their animals inside to stop them from eating ash—covered grass to the sharp object.

1.What makes Grimsvom different from other volcanoes?

A.It is below ice.

B.It lies under the sea

C.It is the largest volcano

D.It is lava affects the airlines

2.What keeps Grimsvom still?

A.The slow flow of water.

B.The low water temperature.

C.The thick glacier.

D.The water pressure.

3.Which of the following is the result of the volcanic eruption?

A.People stop traveling in Europe.

B.Airlines suffer from the loss of planes.

C.It becomes dangerous for animals to eat outside.

D.Farmers have lost many of their animals.

4.This text is most probably taken from________.

A.a research paper

B.a newspaper report

C.a class presentation

D.a geography textbook

 

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A. the effect of volcanic ash  

 B. the health risk of volcanic ash

 C. the disadvantages of volcanic ash

D. the opinions on health risk of volcanic ash

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All tsunamis are dangerous, even if they may not damage every coastline they strike. A tsunami can strike anywhere along most of the US coastline. Many harmful tsunamis have occurred along the coasts of California, Oregon, Washington, Alaska and Hawaii.

A movement of the ocean floor, caused by earthquakes, most often causes tsunamis. If a tsunami occurs close to a coast, the first wave could reach the beach in a few minutes, even before a warning is given. Areas are at greater risk if they are less than 25 feet above sea level and within a mile of the coastline. Drowning is the most common cause of death during a tsunami. Tsunami waves are very harmful to buildings. Other dangers include floods, pollution of drinking water, and fires from gas lines.

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