【安徽仿真一】32. 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
【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。
【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。
