调车长根据计划要求,向制动长了解作业准备情况,通知()开始作业。
A. 扳道员
B. 信号员
C. 司机
D. 制动员
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为加速到达中间站(包括中间站挂出)需要快运的鲜活易腐货物的运送,可优先用直达、()、区段列车挂出。
A. 技术
B. 区段
C. 直通
D. 摘挂
Describe a sports event that you took part in or watched.
You should say:
what the event was
where it was
who was competing
what happened during this competition
and explain how you felt about this event.
压力产生有害影响的初始阶段中所有早期警示信号中最为有用的。()
Describe a wedding you attended.
You should say:
whose wedding it was
who was there
where it was
and explain how you felt at this wedding.@@@