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Inthemovie2012,thevolcano(火山)inYellowstoneNationalParkerupts,smokefliesthousandsofmetersintotheair,andcar-sizedpiecesofstoneandash(灰烬)flyout.Now,somescientistssay,it'sverypossiblethattheYel
题目详情
In the movie 2012,the volcano (火山) in Yellowstone National Park erupts,smoke flies thousands of meters into the air,and car-sized pieces of stone and ash (灰烬) fly out.
Now,some scientists say,it's very possible that the Yellowstone volcano will soon erupt in real life for the fourth time in history,after about 640,000years.According to the Daily Mail,the volcano in the Yellowstone National Park,Wyoming,US,has been rising at a record rate since 2004.Its magma(岩浆)surface has gone up 3inches (7.6centimeters) per year over the last three years alone.This rise is one of the key signs that a volcano is about to erupt.However,scientists are not certain when the eruption will happen or what it will cause.
Unlike what happens in 2012,a volcano eruption would not destroy the whole world,but it could cause huge damage to people living nearby.
The famous eruption of Vesuvius in 79AD destroyed the ancient Roman city of Pompeii.The 2010eruption of the Iceland Volcano caused more than 800people to lose their homes and many airports in European countries to shut down for a few days.
There are more than 1,500active volcanoes in the world.A volcano is considered active if it has erupted in the last 10,000years.
In ancient times,more than 80percent of the earth's surface was volcanic.Volcanic eruptions formed the sea floor and some mountains over many years.Gas from volcanoes formed the earth's atmosphere.
Volcanoes come from very hot liquid rock,called magma,inside the earth.When magma comes upward and breaks through the earth's surface,it forms volcanoes.
The rising magma heats water,which leads to explosions of steam.This pushes rocks and ash high into the sky.Three different things erupt from a volcano:hot liquid rock,volcanic ash and gases.
42.The writer says something about the movie 2012in Paragraph 1to___.
A.remind readers that 2012is coming
B.advertise the movie
C.attract readers'interest in the movie
D.introduce the topic of volcanoes
43.According to Paragraph 2,a volcano will probably erupt if___.
A.it has a history of about 640,000years
B.its floor has been rising for a few years
C.it has erupted three times in history
D.its floor goes down three inches each year
44.Which of the following statements is TRUE?___
A.The eruption of Vesuvius in 79AD destroyed ancient Rome.
B.The 2010eruption of the Iceland Volcano caused the greatest losses in history.
C.An active volcano may not have erupted in the last 10,000years.
D.Volcanic eruptions helped form the sea floor,some mountains and the atmosphere.
45.Which of the following is the best title for the passage above?___
A.What is"2012"
B.Volcano
C.magma
D.gases.

Now,some scientists say,it's very possible that the Yellowstone volcano will soon erupt in real life for the fourth time in history,after about 640,000years.According to the Daily Mail,the volcano in the Yellowstone National Park,Wyoming,US,has been rising at a record rate since 2004.Its magma(岩浆)surface has gone up 3inches (7.6centimeters) per year over the last three years alone.This rise is one of the key signs that a volcano is about to erupt.However,scientists are not certain when the eruption will happen or what it will cause.
Unlike what happens in 2012,a volcano eruption would not destroy the whole world,but it could cause huge damage to people living nearby.
The famous eruption of Vesuvius in 79AD destroyed the ancient Roman city of Pompeii.The 2010eruption of the Iceland Volcano caused more than 800people to lose their homes and many airports in European countries to shut down for a few days.
There are more than 1,500active volcanoes in the world.A volcano is considered active if it has erupted in the last 10,000years.
In ancient times,more than 80percent of the earth's surface was volcanic.Volcanic eruptions formed the sea floor and some mountains over many years.Gas from volcanoes formed the earth's atmosphere.
Volcanoes come from very hot liquid rock,called magma,inside the earth.When magma comes upward and breaks through the earth's surface,it forms volcanoes.
The rising magma heats water,which leads to explosions of steam.This pushes rocks and ash high into the sky.Three different things erupt from a volcano:hot liquid rock,volcanic ash and gases.
42.The writer says something about the movie 2012in Paragraph 1to___.
A.remind readers that 2012is coming
B.advertise the movie
C.attract readers'interest in the movie
D.introduce the topic of volcanoes
43.According to Paragraph 2,a volcano will probably erupt if___.
A.it has a history of about 640,000years
B.its floor has been rising for a few years
C.it has erupted three times in history
D.its floor goes down three inches each year
44.Which of the following statements is TRUE?___
A.The eruption of Vesuvius in 79AD destroyed ancient Rome.
B.The 2010eruption of the Iceland Volcano caused the greatest losses in history.
C.An active volcano may not have erupted in the last 10,000years.
D.Volcanic eruptions helped form the sea floor,some mountains and the atmosphere.
45.Which of the following is the best title for the passage above?___
A.What is"2012"
B.Volcano
C.magma
D.gases.

▼优质解答
答案和解析
42-45:DBCB
42题答案:D 归纳题,根据文中的第一段与下面的关系,可知介绍2012这部电影里的一些场景是为了引出下面的火山话题,故答案是D.
43题答案:B细节题,根据文中的第二段This rise is one of the key signs that a volcano is about to erupt.可知这种上升是火山即将喷发的主要标志之一,故答案是B.
44题答案:C细节题,根据文中的第五段There are more than 1,500 active volcanoes in the world.A volcano is considered active if it has erupted in the last 10,000years.可知 一个活跃的火山可能在过去的10000年爆发,故答案是C.
45题答案:B主旨题,根据文中的大意主要围绕火山进行描述的,故答案是B.
42题答案:D 归纳题,根据文中的第一段与下面的关系,可知介绍2012这部电影里的一些场景是为了引出下面的火山话题,故答案是D.
43题答案:B细节题,根据文中的第二段This rise is one of the key signs that a volcano is about to erupt.可知这种上升是火山即将喷发的主要标志之一,故答案是B.
44题答案:C细节题,根据文中的第五段There are more than 1,500 active volcanoes in the world.A volcano is considered active if it has erupted in the last 10,000years.可知 一个活跃的火山可能在过去的10000年爆发,故答案是C.
45题答案:B主旨题,根据文中的大意主要围绕火山进行描述的,故答案是B.
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