【安徽仿真一】32. over the past decades, sea ice ______ in the arctic as a result of global warming. 高考资源网
a. had decreased b; decreased c. has been decreasing d. is decreasing
【答案与解析】32. c本题考查时态。over the past decades现在完成时的标志词。
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【安徽省级名校联考】28．please don't make so loud noise．the news of the volcanic eruption in indonesia ____and i want to listen．
a．is broadcast b．is being broadcast
c．has been broadcast d．had been broadcast
【答案与解析】28. b 考查动词时态。正在播报，所以用现在进行时的被动语态。
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