A.似蚓蛔線蟲(chóng) B.鉤蟲(chóng) C.蠕形住腸線蟲(chóng) D.毛首鞭線形蟲(chóng) E.以上都是
A.蛔蟲(chóng)受精卵 B.未受精蛔蟲(chóng)卵 C.感染期蛔蟲(chóng)卵 D.絲狀蚴 E.蛔蟲(chóng)受精卵、未受精卵