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【多选题】
滑动门发生夹人夹物无法正常关闭故障处置( )A.
在滑动门自动关闭三次内，异物排除，车站无须操作，滑动门自行恢复。
B.
在滑动门自动关闭三次后，异物仍无法排除，该滑动门即处于打开状态，站务员应立即清除异物，在异物清除后，从站台侧将滑动门关闭。
C.
当有车门故障（包括无法关闭）时，乘务员向行车调度员报告故障。
D.
紧急情况下，根据现场情况，确保乘客人身安全，并疏散。
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举一反三
【单选题】Currently, there is a(n) ______ in the number of childless marriages.
A.
increase
B.
decrease
C.
don’t know
【判断题】There is currently no specific medication for the virus and treatment is supportive care.
A.
正确
B.
错误
【简答题】请描述在顺序表中第 i 个位置插入新的数据 x 操作过程。
【简答题】()就是利用空间的隔离进行复用的一种多址接入技术。 ()用伪随机编码信号或其他扩频码调制所需传送的信号,经载波调制后调整后出去。
【单选题】Analyze the following statement, and then choose one of the options that you think is best to use in academic writing:Currently, there is no capacity for higher nanoparticle removal method efficiency.
A.
Currently, there is no capacity for methods of higher nanoparticle removal efficiency.
B.
Currently, there are no capacities for higher nanoparticle removal method efficiencies.
C.
Nowadays, there is no capacity for higher nanoparticle removal method efficiency.
D.
There is no capacity for the development for higher nanoparticle removal at the present time.
E.
Currently, methods to more efficiently remove nanoparticles are lacking.
【判断题】There is currently no specific medication for the Novel Coronavirus and treatment is supportive care.
A.
正确
B.
错误
【简答题】there is currently a _______
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