第25题: [填空题]In the 1970s, General Motors (GM) spent millions trying to keep the facility______, but productivity and quality were continually poor. 参考答案:up to date。根据题干信息可在原文的倒数第二段找出本题的出处:GM spent minions trying to keep the facility up to date, but productivity and quality were continually poor.本题要填的词语为:up to date。