The computer . Engineers have worked on computers for .

admin2009-09-17 50

问题 The computer ______.
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。

转载请注明原文地址:https://kaotiyun.com/show/Jivd777K

公共英语一级笔试

相关试题推荐

随机试题

最新回复(0)