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Over the past decades, mountain ice in the Himalayas as a result of global warmi

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Over the past decades, mountain ice in the Himalayas as a result of global warmi

Over the past decades, mountain ice______ in the Himalayas as a result of global warming.

  A.has been decreasing    B.had decreased 

  C.decreased    D.is decreasing

 

试题答案

A