While our city tries impatiently to change its appearance by tearing down old buildings, more andmore

citizens are suggesting ways to ____ the historically important architecture. [ ]

A. decorate    

B. develop      

C. preserve    

D. advocate

供应链管理是利用计算机网络技术全面规划供应链中商流、物流、信息流、资金流等并进行（）。

A.计划

B.组织

C.协调

D.控制

E.反馈