考研英语阅读理解B型题(十二)

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extra choices, which do not fit in any of the gaps. if you flew in an airplane over the continent of antarctica, you would look down on a great sheet of snow and ice. the snow and ice slopes gently from a central plateau around the south pole toward the sea. along the coasts of antarctica, sharp mountains rise up from the snow. huge masses of ice called glaciers slide between the mountain ridges toward the sea. at the sea's edge, tremendous icebergs break off the glacier and float away. they are often enormous in size. 1) most of the land beneath the snow is a great land mass. a chain of smaller islands is nearby. the islands and the land mass are joined into one continent by a thick blanket of ice. antarctica has nine-tenths of all the world's ice. if all this ice melted, the level考研英语阅读理解B型题(十二)

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