China"s icebreaker Xuelong ______ by heavy floes since Friday after rescuing p
题型：不详难度：来源：
China"s icebreaker Xuelong ______ by heavy floes since Friday after rescuing passengers on a Russian vessel stranded in Antarctica.| A．has been trapped | B．had been trapped | | C．has trapped | D．was trapped |
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答案
| A |
解析
试题分析：考查时态。根据时间状语since Friday可知用现在完成时，根据语境可知“雪龙号”是被困，故用被大浮冰所困住。语态。句意：中国破冰船“雪龙号”自从上个周五解救搁浅在南极洲的乘客之后，被打。故A正确。 |
举一反三
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