A.鉤蟲(chóng) B.絲蟲(chóng) C.華支睪吸蟲(chóng) D.牛肉絳蟲(chóng) E.旋毛蟲(chóng)
A.似蚓蛔線蟲(chóng)、毛首鞭形線蟲(chóng) B.似蚓蛔線蟲(chóng)、蠕形住腸線蟲(chóng) C.似蚓蛔線蟲(chóng)、鉤蟲(chóng) D.似蚓蛔線蟲(chóng)、旋毛蟲(chóng) E.鉤蟲(chóng)、毛首鞭形線蟲(chóng)
A.必須在外界發(fā)育 B.必須經(jīng)口感染 C.必須經(jīng)中間宿主感染 D.無(wú)需中間宿主也可感染 E.必須經(jīng)皮膚感染