A.扁卷螺B.荸薺、菱角C.魚(yú)蝦D.蟹E.川卷螺
A.鞭蟲(chóng)B.肝吸蟲(chóng)C.鉤蟲(chóng)D.蟯蟲(chóng)E.姜片吸蟲(chóng)
A.鉤蟲(chóng)B.血吸蟲(chóng)C.豬肉絳蟲(chóng)D.肝吸蟲(chóng)E.肺吸蟲(chóng)