承运人不能按照运输合同约定的车种拨配车辆时,须征得()同意。
A、铁路局
B、车站站长
C、货运主任
D、托运人
参考答案:D
----I am going to come to meet you tomorrow. Shall I bring something to read?
----OK, ______________.
A.That’s all right.
B.Come on.
C.So much the better.
D.Take it easy.
电梯井与电梯机房的墙壁等均应采用耐火极限不低于( )h的非燃烧体。
A.1 B.1.5 C.2 D.2.5