摘要: This text is most probably taken from . A. a research paper B. a newspaper report C. a class presentation D. a geography textbook. Passage 10 The e-nose, it turns out, could identify healthy cucumber, pepper and tomato plants based on. The volatile compounds they produce, it could also identify tomato leaves that had been damaged. But even more impressive, the device could tell which type of damage ---- by insects or with a hole Punch ---- had been done to the tomato leaves. With some fine-tuning, a device like the e-nose could one day be used in greenhouses to quickly spot harmful bugs, the researchers say. A device like this could also be used to identify fruits that are perfectly ripe and ready to pick and eat, says Natalia Dudareva, a biochemist at Purdue University in West Lafayette, Ind. who studies smells of flowers and plants. Hopefully, scientists believe, the device could bring large benefits to greenhouse managers in the near future.

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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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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 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 

What keeps Grimsvotn 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 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 

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 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.

   Grimsvotn is one of the largest and most active volcanoes in Europe. What makes Grimsvotn different is that it lies under a huge glacier(冰川) of ice up to 12 meters 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 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 or the sharp object.

1.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. Its lava affects the airlines.

2.What keeps Grimsvotn 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

 

查看习题详情和答案>>

 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.  

1.What keeps Grimsvom still? 

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

C. The thick glacier            D. The water pressure 

2.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 

3. This text is most probably taken from_______________.

A. a research paper            B. a newspaper report 

C. a class presentation          D. a geography textbook.  

 

查看习题详情和答案>>

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.

Grimsvotn is one of the largest and most active volcanoes in Europe. What makes Grimsvotn different is that it lies under a huge glacier of ice up to12 meters thick. The hot volcano heats up the ice above it, which then forms a layer 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 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 the 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 country side. Farmers are keeping their animals inside to stop them from eating ash-covered grass or the sharp objects.

55.What makes Grimsvoth different from other volcanoes?

A. It is below ice.            B. It lies under the sea.

C. It is the largest volcano.     D. Its lava affects airlines.

56.What keeps Grimsvotn still?

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

C. The thick glacier.           D. The water pressure.

57.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.

58. This text is most probably taken from  ______

A. a research paper     B. a newspaper report  

C. a textbook          D. a geography  textbook

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