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【单选题】
CRH5型动车组司机室操纵台主命令控制板区“客车门打开启动指令(左右两边;黄色按钮)”的作用()。A.
有一个控制杆可使司机手动动车组风源单元并要求该操作在司机控制下执行,同时司机应检查主风管内的压力不得超过最大允许值。
B.
该指令可强制关闭车门,车门关闭程序在车门系统技术文件中有所描述。
C.
利用动车组外部端墙和走廊内每个门合叶上的按钮发出的指令可以启动准备打开的车门。
D.
该指令可以打开列车相应一侧的所有车门, 并且不会因为乘客的个人请求而打开车门。
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【单选题】轴流式压气机工作叶轮进口处的绝对速度的轴向分量与叶轮旋转的圆周速度之比叫( )
A.
压气机的扭速系数
B.
压气机的流量系数
C.
压气机的速度比
D.
压气机的传动比
【简答题】A．conducive B．conductive to C．inducive to D．deductive to
【单选题】What is one of the downsides to using deductive reasoning in a university context?
A.
Deductive reasoning needs to use strong, fixed language and this means it can be more easily attacked and disproven than other forms of reasoning.
B.
Deductive reasoning is weaker than other forms of reasoning.
C.
Deductive reasoning uses probabilities and is therefore not always true.
【单选题】Choose the deductive reasoningfrom the following statements.
A.
All of our snowstorms come from the north. It's starting to snow. Therefore, the storm is coming from the north.
B.
The first lipstick I pulled from my bag is red. The second lipstick I pulled from my bag is red. Therefore, all the lipsticks in my bag are red.
C.
My mother is Irish. She has blond hair. Therefore, everyone from Ireland has blond hair.
D.
Maximilian is a shelter dog. He is happy. All shelter dogs are happy.
【多选题】The learning styles revealed in the psychological study are ().
A.
deductive style
B.
sensing style
C.
inductive style
D.
intuitive style
【简答题】采购的基本流程是什么？
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