反映投标企业技术和管理水平的重要标志有()。
A.项目财务分析
B.工程施工组织设计
C.技术方案及分析报告
D.供货组织方案
E.技术建议书
参考答案:B, D, E
The accident happened at nine o'clock in the morning ____ we were all busy with our work. [ ]
A. that
B. which
C. when
D. as
慢性鼻炎中医病名为()。