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The computer ______. [br] Engineers have worked on computers for ______.A、about
The computer ______. [br] Engineers have worked on computers for ______.A、about
游客
2025-07-01
14
管理
问题
The computer ______. [br] Engineers have worked on computers for ______.
选项
A、about a whole century
B、more than twenty-five years
C、over three months
答案
B
解析
根据本文“for a quarter of a century”可知工程师们在大约25年前已经研制出了越来越好的计算机。
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