Glaciers form when the snow,sleet,and hail that fall in a given climatic region exceed the amount capable of being lost through evaporation or melting.
B.a given climatic region's fallen snow,sleet,and hail exceeds the amount able to be
C.the amount of snow,sleet,and hail that falls in a given climatic region exceeds the amount
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发表于 2016-4-7 11:52:35
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