问题 单项选择题

靠泊完成后,桥吊司机按照船舶指导员指挥摘安全挂钩、放平大梁,并按照()移动大车到指定舱位进行作业。

A、相邻司机指挥

B、指挥手指挥

C、个人感觉

D、以上都不对

答案

参考答案:B

单项选择题
综合

读我国南水北调中线示意图,回答下列各问题。

(1)南水北调中线所经地带包括哪些省(市)?该地带的自然条件(地形条件、气候类型、干湿地区)

    怎样?

                                                                                                                                                              

                                                                                                                                                              

(2)分析中线调水的战略与经济意义。

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                             

(3)比较隋运河与今天南水北调方案的修建目的有何不同?