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【单选题】Imagine a world in which there was suddenly no emotion—a world in which human beings could feel no love or happiness, no terror or hate. Try to imagine the consequences of such a transformation. Peopl...
A.
they would not be able to tell the texture of objects
B.
they would not know what was beneficial and what was harmful to them
C.
they would not be happy with a life without love
D.
they would do things that hurt each other's feelings
【单选题】Stern tube and strut(支柱) bearings lined with hardwood or rubber composition materials are lubricated with______.
A.
saltwater
B.
graphite(石墨)
C.
light lubricating oil
D.
heavy lubricating oil
【单选题】球罐的沉降观测应在（）支柱上测定沉降量。 A．一个 B．两个 C．四个 D．全部
A.
某安装公司承揽某石化公司1000m3大型乙炔球罐施工任务。施工单位按照《特种设备安全监察条例》取得了施工许可。安装时遵循安装球罐的自本原则，按照相关要求对球罐就行检验和实验。