That volcano ___________ in 1970 after two hundred years of silence.
科目：高中英语 来源： 题型：阅读理解
The volcano is one of the most surprising frightening things of nature. Maybe you have seen pic??tures of these " fireworks " of nature. Sometimes when a volcano erupts, a very large wall of melted rock moves down the side of a mountain. It looks like a " river of fire". Sometimes volcanoes ex??plode, throwing the melted rock and ashes high into the air. But where does this melted rock come from?
The earth is made up of many layers (层). The top layer that we see is called the crust. Under the crust are many layers of hard rock. But far, far beneath the crust the rock is so hot that it is soft. In some places it even melts. The melted rock is called magma. Sometimes the magma breaks out to the surface through cracks (裂缝) in the crust. These cracks are volcanoes.
Most people think of mountains when they think of volcanoes. But not every mountain is a volca??no. A volcano is simply the opening in the earth from which the magma escapes. The hot magma, or lava as it is called, cools and builds up on the surface of the earth. Over thousands of years, this pile of cooled lava can grow to be very, very big. For example, the highest mountain in Africa, Kilimanja??ro, is a volcano. It rises more than 16,000 feet above the ground around it.
8. The underlined word "erupts" means ______.
A. moves down B. breaks away C. builds up D. suddenly throws out lava
9. Which words in the passage have the same meaning as "melted rock"?
A. volcano and crust B. crust and hard rock
C. magma and lava D. volcano and magma
10. Which is the correct order of the layers of the earth (beginning with the top layer)?
A. crust — hard rock — magma — soft rock
B. crust — hard rock — soft rock — magma
C. agma — soft rock — hard rock — crust
D. volcano — cracks — magma — crust
11. The best title of the passage should be______.
A. The Volcano B. Kilimanjaro Volcano C. The Mountains D. The Melted Rock
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科目：高中英语 来源： 题型：阅读理解
The volcano is one of the most surprising frightening things of nature. Maybe you have seen pictures of these " fireworks " of nature. Sometimes when a volcano erupts, a very large wall of melted rock moves down the side of a mountain. It looks like a " river of fire". Sometimes volcanoes explode, throwing the melted rock and ashes high into the air. But where does this melted rock come from?
The earth is made up of many layers (层). The top layer that we see is called the crust. Under the crust are many layers of hard rock. But far, far beneath the crust the rock is so hot that it is soft. In some places it even melts. The melted rock is called magma. Sometimes the magma breaks out to the surface through cracks (裂缝) in the crust. These cracks are volcanoes.
Most people think of mountains when they think of volcanoes. But not every mountain is a volcano. A volcano is simply the opening in the earth from which the magma escapes. The hot magma, or lava as it is called, cools and builds up on the surface of the earth. Over thousands of years, this pile of cooled lava can grow to be very, very big. For example, the highest mountain in Africa, Kilimanjaro, is a volcano. It rises more than 16,000 feet above the ground around it.
45. The underlined word "erupts" means ______.
A. moves down B. breaks away C. builds up D. suddenly throws out lava
46. Which words in the passage have the same meaning as "melted rock"?
A. volcano and crust B. crust and hard rock
C. magma and lava D. volcano and magma
47. Which is the correct order of the layers of the earth (beginning with the top layer)?
A. crust — hard rock — magma — soft rock B. crust — hard rock — soft rock — magma
C. agma — soft rock — hard rock — crust D. volcano — cracks — magma — crust
48. The best title of the passage should be______.
A. The Volcano B. Kilimanjaro Volcano C. The Mountains D.The Melted Rock
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