A.腦 B.肺 C.小腸 D.大腸 E.肝臟
A.鞭蟲(chóng) B.血吸蟲(chóng) C.纖毛蟲(chóng) D.姜片蟲(chóng) E.蜱
A.經(jīng)口感染 B.經(jīng)皮膚感染 C.經(jīng)胎盤感染 D.自體感染 E.其他感染