Avolcanic eruption in Iceland has sent ash across northern Europe. Airlines have stoppedor changed the flights across the Atlantic Ocean, leaving hundreds of passengers stuck in airports. Grirmsvom is one of the largest and most active volcanoesin Europe. What makes Grimsvom different isthat it lies under a huge glacier （冰川） of ice up to 12 matersthick. The hot volcano heats up the ice above it, which then forms a layer （层） of water betweenthe 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 pressurelifts. The lava （岩浆） from the volcano then comes up to the surface. This isexactly what happened today. Now, airlines have to makechanges to their flights so as not to fly through the clouds of volcanic ash.According to KLM. one of Europe’s biggestairlines, airplanes cannot go under the cloud or over it. Going through thecloud can result in ash getting stuck in the airplane’s engines, causing damageto the plane. The eruption has also causedproblems 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- coveredgrass to the sharp object. 64. What makesGrimsvom 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 theairlines 65. What keepsGrimsvotn still? A. The slow flow of water B. The low water temperature C. The thick glacier D. The water pressure 66. Which of thefollowing is the result of the volcanic eruption? A. People stop traveling in Europe B. Airlines suffer from theloss of planes C. It becomes dangerous foranimals to eat outside D. Farmers have lost many oftheir animals 67. This text ismost probably taken from_ A. a research paper B. a newspaper report C. a class presentation D. a geographytextbook.