投资估算精度应满足控制（）的要求。
A.初步设计概算
B.施工图预算
C.项目资金筹资计划
D.项目投资计划
参考答案：D
An 18-year-old primagravida tells the nurse that the physician told her that she needed to increase her intake of thiamine (vitamin Bi) in her diet. Which of the following foods should the nurse instruct the client to consume more
A. Milk.B. Rice.C. Asparagus.D. Bee
碳弧气刨时，应调节好碳棒伸出长度，一般伸出长度为______mm。
A．10～20
B．30～60
C．80～100
