Over the past decades, sea ice______in the Arctic as a result of global warming.

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问题 Over the past decades, sea ice______in the Arctic as a result of global warming.

选项 A、had decreased
B、more than
C、attach
D、apply

答案A

解析 本题考查词义。在过去的十年里,由于全球变暖,北极的海上浮冰已经减少了。但应注意,由于没有时间比较,正确选项A的时态,改为现在完成时has decreased更好。
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