题目内容
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[主观题]
According to the passage Holocene ______.A.ended about 11,000 years agoB.is an existing ge
According to the passage Holocene ______.
A.ended about 11,000 years ago
B.is an existing geologic time period
C.is the beginning of the Pleistocene epoch
D.is an epoch of cool glacial and warmer interglacial periods
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