单项选择题

Which of the following is the best title for the passage

A．Has the Pleistocene Epoch Ended
B．Another Ice Age in the Aeologle Futurn Is Coming
C．The Ice Ages: Are They Over
D．Glacial Ice Will Be Present in Different Places

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单项选择题

Holocene ______.

A．ended about 11,000 years ago.
B．is an existing geologic time period.
C．is the end of the Pleistocene epoch.
D．is an epoch of cool glacial and warmer interglacial periods.

单项选择题

Which of the following statements is TRUE according to the passage

A．96 percent of the earth's surface is covered by ice.
B．Over 10 million square miles of the earth's surface axe 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 bein