【多选题】When a station officer notices that one passenger gets sandwiched between safety doors or train doors, what should he or she do?
A.
If one passenger gets sandwiched between safety doors/train doors,station officer should take emergency measures and open the doors immediately.
B.
Station officer should save the passenger immediately and make the passenger calm down.
C.
Station officer should inquiry how the whole thing happened after the passenger calms down.
D.
Station officer should run away and ask for somebody else’s help.
【单选题】新中国的诞生打破了帝国主义在东方划定的势力范围,这是以美国为首的西方资本主义阵营不愿看到的,它们对新中国实行强硬政策。下列选项中不属于这些政策的是( )。
【单选题】—What's this _______? — It is a map. [ ]
【简答题】某氯化铁样品含有少量FeCl 2 杂质。现要测定其中铁元素的质量分数,实验按以下步骤进行: 请根据上面流程,回答以下问题: (1)操作I是配制溶液,所用到的玻璃仪器除烧杯、玻璃棒外,还必须有 、 .(填仪器名称) (2)下列操作可能使所配溶液浓度偏小的是________________(填写序号)。 ①未洗涤烧杯和玻璃棒 ②定容时俯视容量瓶的刻度线 ③配溶液前容量瓶中有少量蒸馏水 ④摇匀后,发现液...
【单选题】The doors are removable units that give access to the airplane compartments. The doors on the airplane include: - Forward and aft entry doors - Forward and aft galley service doors - Emergency exit do...
【单选题】雨滴极小,降水量和强度都很小,持续时间较长,称为