During the last three decades, the number of people participating in physical fi
题型：不详难度：来源：
During the last three decades, the number of people participating in physical fitness programs___ sharply.| A．was increasing | B．has increased | C．had increased | D．will be increasing |
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答案
| B |
解析
句意：在过去的三十年里，参与身体锻炼的人的数量激增。根据时间状语判断应用现在完成时，故选Ｂ。
【考点定位】时态用法辨析。时态的选择主要看具体句式和时间状语，本题根据时间状语很容易进行判断。 |
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