[单项选择]

What is the probable relation between the two speakers
A. A math teacher and his colleague.
B. A teacher and his student.
C. A librarian and a student.
D. A student and his classmat

最新试题

• ●    [单选题]单机在自动闭塞区间被迫停在调谐区内，当具备移动条件时司机须先将机车移动不少于( )m。
• ●    [单选题]下列哪个不属于三大历史任务?( )
• ●    [多选题]电气设备作业前应做（）工作。
• ●    下列关于尾桨的安装位置高可能带来的好处的说法，错误的（）
• ●    有机盐钻井液用（）调整流型，可大幅度降低摩阻和循环压耗，有利于发挥水力破岩作用，提高钻速。
• ●    [单选题]晋升一级消防士应取得( )技师职业技能等级;