关于大家和关键原材料的供应,应调查主要供应企业的生产经营情况,并在()阶段签订供货意向书。
A.可行性研究
B.项目决策审批
C.初步可行性研究
D.项目评估
参考答案:A
准则矩阵
Though they are very busy every day, they manage to get tighter_______.
A.by and by
B.now and then
C. all the time
D.more or less