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【单选题】Passage One The climate of earth has fluctuated quite a bit over the last 4.6 billion years of our planers history and it can be expected that the climate will continue to change. One of...
A.
96 percent of the earth’s surface is covered by ice.
B.
Over 10 million square miles of the earth’s surface are covered by ice now.
C.
Almost all of the ice sheets covering the land and glaciers in the mountains have been hidden.
D.
Most of the ice on the earth’s surface is located in Antarctic and Greenland for the time being.
【单选题】Passage One The climate of earth has fluctuated quite a bit over the last 4.6 billion years of our planers history and it can be expected that the climate will continue to change. One of...
A.
The climate of earth has fluctuated quite a bit over the last 4.6 billion years.
B.
An increase in the earth’s temperature will have major consequences for all life on this planet.
C.
The information we have got makes us unable to explain the global warming completely.
D.
The Pleistocene began about 1.8 million years ago.
【单选题】Passage One The climate of earth has fluctuated quite a bit over the last 4.6 billion years of our planet’s history and it can be expected that the climate will continue to change. One o...
A.
The climate of earth has fluctuated quite a hit over the last 4.6 billion years.
B.
An increase in the earth’s temperature will have major consequences for all life on this planet.
C.
The information we have got makes us unable to explain the global warming completely.
D.
The Pleistocene began about 1.8 million years ago.