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Over the past decades, sea ice in the Arctic as a result of global warming. A. had decreased B. decreased C. has been decreasing D. is decreasing 【查看更多】

 

題目列表(包括答案和解析)

Over the past decades, sea ice _______ in the Arctic as a result of global warming.


  1. A.
    had decreased
  2. B.
    decreased
  3. C.
    has been decreasing
  4. D.
    is decreasing

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Over the past decades, sea ice _______ in the Arctic as a result of global warming.

A. had decreased     B. decreased    C. has been decreasing     D. is decreasing

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Over the past decades, sea ice _____ in the Arctic as a result of global warming.

A. had decreased    B. more than            C. attach               D. apply

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

A. had decreased    B. decreased    C. has been decreasing    D. is decreasing  .

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

A. had decreased  B. decreased   C. has been decreasing D. is decreasing

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