问题 单项选择题

监理工程师不能按时参加验收,须在开始验收( )向承包人提出书面延期要求。

A.前12小时

B.后12小时

C.前24小时

D.后24小时

答案

参考答案:C

解析:监理工程师不能按时参加验收,须在开始验收前24小时向承包人提出书面延期要求,延期不能超过两天。

读下列运河示意图,请回答:

(1)当你处在洛阳时,运河南北两端的城市名称各是什么?这个时期的运河是哪个朝代开通的?   

                                                                                                                                                          

(2)写出A、B、C、D所代表的四段运河的名称。

                                                                                                                                                            

(3)运河C段是在哪个朝代时开凿的?在当时的北京附近还有一段,叫做什么?此时,能与运河相比的 

    另一条南北运输通道是什么?

                                                                                                                                                           

  (4) 在历史上大运河都起过什么作用?

                                                                                                                                                          

                                                                                                                                                          

                                                                                                                                                          

名词解释