The computer . [br] Engineers have worked on computers for .A、about

游客2025-07-01 26

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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The computer ______. [br] Engineers have worked on computers for ______.A、about