搜题请搜索小程序“爱下问搜题”
问题 填空题

电气化区段，接触网未停电时，导线高度为（）的线路上，禁止对棚敞车类的车辆进行手推调车。

答案

参考答案：5700mm

阅读理解
看表格，回答问题。
Name
Birthday
John
May 12th
Amy
June 2nd
Jack
December 1st
Chen Jie
January 20th
Helen
May 6th
Mike
May 25th
1. When's Amy's birthday?
__________________________________________
2. Is Helen's birthday in December?
__________________________________________
3. Who has a birthday in January?
__________________________________________
4. How many birthdays are there in May?
__________________________________________                        
查看答案
单项选择题

开机后“WAIT”提示停留很长时间，最后出现“HDDControllerFailure”可能原因是（）。

A、硬盘接线口接触不良或接线错误

B、主板故障

C、无操作系统引导

D、硬盘损坏
查看答案