摘要：19．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
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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
查看习题详情和答案>>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
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