A.雌雄同體,卵生B.雌雄同體,胎生C.雌雄同體,卵胎生D.雌雄異體,卵生
A.10℃B.10℃~15℃C.20℃左右D.25℃~30℃
A.經(jīng)皮感染B.經(jīng)生殖道感染C.經(jīng)呼吸道感染D.經(jīng)口感染