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【单选题】
下列肝炎中属于有缺陷的RNA病毒的是A.
甲型肝炎
B.
乙型肝炎
C.
丙型肝炎
D.
肝炎
E.
戊型肝炎
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【多选题】For the myelinated nerve fibers, which are right for nerve impulse conduction( )
A.
only happen at nodes of Ranvier
B.
saltatory conduction
C.
continuous conduction.
D.
conduction speed is quick
E.
conduction speed is slow
【单选题】Which following is NOT the characteristics of synaptic conduction?
A.
One-way Conduction: from presynaptic to postsynaptic neuron
B.
Synaptic delay, there is an interval of at least 0.5 mS.
C.
Summation: The EPSP can perform the spatial and temporal summation.
D.
Either directional conduction
【单选题】Professor Wu traveled and lectured throughout the country to ______education and professional skills so that women could enter the public world.
A.
prosecute
B.
acquire
C.
advocate
D.
proclaim
【简答题】A．instruction B．procession C．action D．conduction
【简答题】A year after graduation, I was offered a position teaching a writing class. Teaching was a profession I had never seriously considered, though several of my stories had been published. I accepted the ...
【简答题】What are the ideal jobs for the future? This is one question which every student and young professional seems to worry about. Having an idea of the best jobs for tomorrow can help them make the right ...
【单选题】What do we know about the Fulford Battlefield Society?
A.
It is an organization of professional and amateur historians.
B.
It strives for preserving the Viking recycling site against potential development.
C.
It assisted professional archaeologists in the excavation of the Viking recycling center.
D.
It is an amateur organization cooperating closely with professional archaeologists.
【单选题】Nerve fiber conduction is not characterized by
A.
structurall integrity
B.
Insulation
C.
Relatively indefatigability
D.
Unidirectional conduction
【简答题】气传导(air conduction)
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