80.下列何者為兔vent disease的病原?
(A)Treponema pallidum
(B)Treponema paraluis cuniculi
(C)Listeria monocytogenes
(D)Lawsonia intracellularis
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統計: A(197), B(959), C(156), D(192), E(0) #853683
統計: A(197), B(959), C(156), D(192), E(0) #853683