You have to finish a project with in 2 weeks and your lead developer had to take 1 week leave due to personal emergency．Another project manager has agreed to loan the service of his lead developer for 1 week．You are taking his help and completing the project．This case is an example of （） (Choose the best answer)．

A．fast tracking

B．crashing

C．risk management

D．resource leveling

蓄电池充电指示灯常亮，说明（）

A.发电机发电不正常

B.用电设备漏电

C.发动机系统有故障

D.蓄电池电压低