包装的任务就是把（）的钢板和卷成带卷的带钢捆紧，以保证防损伤、防污染或防锈。A.成膜

Not only _____ polluted, but _____ crowded. [ ]

A. was the city; were the streets 　

B. the city was; the streets were 　

C. was the city; the streets were 　

D. the city was; were the streets

=().

A．(8

B．(-8

C．(4

D．(-2

明确习 * * * * 的核心地位、正式提出“以习 * * 同志为核心的党中央”是在（）

A.党的十八届三中全会上

B.党的十八届四中全会上

C.党的十八届五中全会上

D.党的十八届六中全会上

下列（）项不属于被收容教育人员的档案内容。

A.送物记录

B.《担保人保证书》

C.《收容教育人员财务保管登记表》

D.在所期间表现记录

登杆作业有关规定有哪些？