机会致病性原虫是
A.Plosmodium vivax B.Toxoplasma gondii C.Leishmania donovani D.Trichomonas vaginalis E.Entamoeba histolytica正确答案B
机会致病性原虫是
A.Plosmodium vivax B.Toxoplasma gondii C.Leishmania donovani D.Trichomonas vaginalis E.Entamoeba histolytica正确答案B