A.無(wú)鉤絳蟲(chóng) B.泡狀帶絳蟲(chóng) C.細(xì)粒棘球絳蟲(chóng) D.孟氏疊宮絳蟲(chóng)
A.無(wú)鉤絳蟲(chóng) B.有鉤絳蟲(chóng) C.泡狀帶絳蟲(chóng) D.孟氏疊宮絳蟲(chóng)
A.淡水螺 B.蜻蜓 C.蚯蚓 D.螞蟻