绝缘杆存放时，不应与墙接触。（）

Your project has a number of different work results．You are collecting information about these work results，such as what costs have been incurred or committed and which deliverables have been completed and which remain outstanding．You will use this information in which of the following processes

A．Project plan executio

B．Integrated change contro

C．Report performanc

D．Verify scop

车站内最大坡度为（）。

A、3‰

B、3%

C、5‰

D、5%

下列费用中，不属于分部分项工程费的有（）。

A.施工机械大修费

B.材料二次搬运费

C.生产工人退休工资

D.环境保护费

E.生产工人劳动保护费

胆小管的管壁是由单层扁平上皮围成的。（）