题目内容

There are several hospitals near the café treating patients with novel coronavirus. His café delivers coffee to nearby hospitals free every day, offering support to ____________.他所在的咖啡馆附近有几家接收治疗新冠肺炎患者的医院，他们每天为这些医院的医务人员免费送去咖啡。

A. medical staff
B. volunteers

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This year is the second year Sina and his brother have lived in Wuhan. After the coronavirus outbreak, the Iranian government dispatched charter flights to Wuhan to repatriate nationals. Sina's brother decided to go back to Iran and wanted Sina to go with him, but Sina's choice was to stay. Sina said he would not leave Wuhan at this ____________ moment.今年是Sina和弟弟在武汉的第二年。疫情发生后，伊朗政府派了专机接本国居民回国，Sina的弟弟决定回伊朗，希望Sina跟他一起回去。但是，Sina决定留下来。Sina说不想在这样的艰难时刻离开武汉。

A. difficult
B. easy

（）主要是实现对列车运行及所控制的道岔、信号灯设备运行状态的监督和控制，给行车调度员显示出全线类车的运行状态，辅助行车调度人员完成对全线列车运行的管理。

ATS
B. ATO
C. ATP
D. ARS

在ATS系统中（）是整个列车运行自动控制系统的核心。

A. 车辆段设备
B. 列车识别系统
C. 控制中心设备
D. 车站设备

列车自动监控系统 ATS主要实现对列车运行的（）和控制。