2. 外语
  3. ____a machine been so efficient and accurate as the electronic computer.

____a machine been so efficient and accurate as the electronic computer.

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问题 ____a machine been so efficient and accurate as the electronic computer.
选项 A、More than ever before
B、Never before has
C、In the past, there never has
D、Formerly there never was
答案B
解析
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本试题收录于： C类竞赛（非英语专业本科）题库大学生英语竞赛（NECCS）分类
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C类竞赛（非英语专业本科）

大学生英语竞赛（NECCS）

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